Measuring the Oxygen Flow Rate and Purity in an Optimal Portable Oxygen Concentrator Performance with an Air Pressure Sensor | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article Measuring the Oxygen Flow Rate and Purity in an Optimal Portable Oxygen Concentrator Performance with an Air Pressure Sensor vijai sivalingam, Jayakumar Jayaraj, Subha Hency Jose Paul This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-3954282/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 4 You are reading this latest preprint version Abstract Chronic obstructive pulmonary disease results from a collection of lung illnesses that restrict airflow, causing breathing difficulty. Pulmonary fibrosis result from scarring of the lung tissue that causes difficulty breathing,Emphysema is a lung illness that causes the destruction of the lungs air sacs in the lungs. Oxygen concentrator can assist Chronic obstructive pulmonary disease patients in staying active and enhancing their quality of life. Oxygen concentrators are medical devices that extract from ambient air and deliver it to patients requiring supplemental oxygen therapy. Monitoring and optimizing their performance is crucial for ensuring patient safety and delivery of the correct amount of oxygen. Air pressure sensors play a vital role in this process by providing data on various aspects of the Portable Oxygen concentrator's operation Flow rate, pressure, purity of portable oxygen concentrator. The purpose of this study is to evaluate the feasibility of employing an oxygen concentrator as a platform to measure airflow with airflow sensors. By incorporating airflow sensors into an oxygen concentrator system, a non-intrusive and cost-effective approach for monitoring airflow in a variety of environments,including medical, environmental, and industrial can be developed. To investigate the feasibility of employing an Arduino Uno microcontroller and an air pressure sensor to monitor the oxygen flow rate and purity in an oxygen concentrator in order to optimize its performance. Portable oxygen concentrators are medical devices that supply extra oxygen to people who have low blood oxygen levels. These devices are smaller and lighter than fixed oxygen concentrators are, making them perfect for those who must be mobile. Portable oxygen concentrators are an extremely useful tool for individual with low blood oxygen levels. They can help people remain active, improve their quality of life, and lessen their need for oxygen tanks. A portable oxygen Concentrator with pressure swing adsorption and HX710B air pressure sensor for health monitoring has been constructed. Portable oxygen Concentrator Zeolite Pressure swing adsorption technology Air pressure sensor Arduino uno controller Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Figure 9 Figure 10 Figure 11 Summary Background To help them with their breathing challenges, people with chronic obstructive pulmonary disorders (COPD) rely on portable oxygen concentrators. In order to ensure patient safety, it is imperative that these devices deliver the proper amount and quality of oxygen extracted from the air. An alternative that is non-intrusive and possibly less expensive for monitoring these parameters is provided by air pressure sensors.Examine the viability of measuring oxygen purity and flow rate in an oxygen concentrator using air pressure sensors. Create a system to track these variables in real time using an air pressure sensor and an Arduino microcontroller. Enhance the functionality of portable oxygen concentrators by making sure that oxygen is delivered precisely. Provide an affordable, non-intrusive method for measuring airflow in a variety of contexts, such as industrial, medical, and environmental ones. Results With their precise measurement of flow rate, pressure, and indirectly purity, they offer useful information for the device's monitoring, modifying, and troubleshooting. Oxygen therapy will be increasingly dependable and successful as long as sensors continue to improve in accuracy and ease of integration. Current oxygen concentrators can be easily modified to accommodate the addition of airflow sensors, making them a practical and affordable solution. According to the study, integrated sensor data collection yields extremely accurate and dependable results when compared to current calibration techniques. Opportunities to monitor and maybe optimize oxygen therapy arise when an Arduino is connected to a portable oxygen concentrator (POC) and an air pressure sensor. The suggested technique can be used to track airflow in a variety of contexts, such as industrial processes, healthcare facilities, and environmental environments. The study provides important information for medical practitioners by demonstrating the feasibility of monitoring patient respiratory parameters during oxygen therapy. Conclusions Air pressure sensors provide precise, economical, and non-intrusive monitoring. Technological developments will raise the accuracy and integration of sensors, increasing the efficacy of therapy. Airflow measurement is made convenient by the easy addition of sensors to current models. When compared to current techniques, sensor data exhibits excellent accuracy, which facilitates improved troubleshooting and optimization. There are opportunities for monitoring and even optimizing therapy when sensors are connected to an Arduino. Broader uses for this technique include monitoring industrial operations and respiratory parameters in patients. An early identification of problems and improved management of oxygen therapy could result from more precise monitoring. Reusable, non-intrusive sensors may cut down on waste and the expense of calibration. More people may be able to receive oxygen treatment if monitoring is made easier. The monitoring technique could be modified for use in a variety of industries where exact airflow control is necessary. 1. Background Oxygen concentrators are medical devices that extract air form the room, separate the oxygen from other gases present, and deliver oxygen to the patient. It is efficient and reliable, providing a oxygen for many individuals. Oxygen concentrators can provide a continuous supply of oxygen without the need for refills or replacement tanks, making them convenient for long term use. Oxygen tanks, which require storage space and regular replacement, eliminate the need for the storage and handling of compressed oxygen gas. These systems require minimum maintenance compared to oxygen delivery systems, regular cleaning and filter replacement. [1]Lithium-based 13Xzeolite and sodium-based13Xzeolite are utilized in various sizes to create oxygen. The oxygen purity, flow rate, and pressure were confirmed analytically and quantitatively. [ 2 ] This study used an oxygen concentrator to meet patients' oxygen therapy needs by determining the appropriate timing of gate valve opening/closing. [ 3 ] Nanotechnology enables efficient synthesis of oxygen through oxygen concentrators. Np’s, which are typically under 100 nm in size, have a high surface area-to-volume ratio, making them effective oxygen adsorbents. [ 4 ] Nanozeolites replaced molecular zeolites in oxygen concentrators to improve oxygen delivery efficiency. [ 5 ] This article examined green-resilient-responsive elements, including economic, environmental, and resilience aspects, to construct an oxygen concentrator supply chain network.[ 6 ] This work investigated a medical oxygen concentrator device using rapid pressure swing adsorption for continuous oxygen supply. LiLSX zeolite was utilized to separate oxygen from compressed ambient air. The device's performance was also evaluated utilizing a medium-sized air compressor on its own. An oxygen product purity of 90% was produced. [ 7 ] This paper discusses the synthesis of zeolite from waste materials for the medical field of oxygen concentrators.This study evaluated low-cost waste materials, including aluminum and silicon, for the manufacture of zeolitesX (NaX) used in medical oxygen concentrator design. [ 8 ] This research demonstrated that using silica gel in oxygen concentrators results in greater purity. [ 9 ] This paper examined thermodynamic models for optimizing PSA oxygen generator mass, energy, momentum, and adsorption equilibrium. The LDF equation mathematical model was evaluated. [ 10 ] This study demonstrated that integrating oxygen concentrators with an IoT system enables monitoring between device users. [ 11 ] This research demonstrated the use of CPAP machines for non-invasive lung ventilation with full-face masks.A portable pressure chamber and oxygen concentrator were used and evaluated. [ 12 ] Comparison and analysis of portable oxygen concentrators and inspired oxygen levels using a COPD patient simulation model. [ 13 ] This work presents a mathematical model of the rapid-cycle PSA process that was investigated. An optimal performance with high oxygen productivity is attained. [ 14 ] An innovative technique for remotely controlling the flow rate is proposed. Patient control and safety were improved. [ 15 ] This research suggests the use of pressure swing absorption technology to identify probable risks and breakdowns in medical oxygen delivery systems, combining the strengths of HAZOP and intuitive fuzzy logic. [ 16 ] A portable oxygen concentrator with continuous and pulse-flow oxygen was used for analysis.The volume-averaged FIO2 recorded at the trachea was also examined. [ 17 ] This work proposes quantifying the efficiency and purity of pressure swing adsorption in producing oxygen vs alternative approaches. [ 18 ] A study was conducted on an intelligent system that automatically adjusts oxygen delivery based on patient needs and respiratory conditions. [ 19 ] Respiratory support treatment involves the use of a bubble-like mask to provide mild positive pressure to the airway, resulting in improved lung expansion and oxygenation. [ 20 ] Increased oxygenation, reduced hospital re admissions, and increased patient satisfaction were reported. [ 21 ] A novel approach for affordable respiratory support using a blower-powered mechanical ventilation system was examined. [ 22 ] A study employed natural zeolites as an alternative to synthetic adsorbents to assess the efficiency and purity of oxygen generation from air using PVSA technology. [ 23 ] In term of the flow rates and oxygen concentration capabilities of oxygen concentrators, ventilator capabilities, and three-way connector types were examined. [ 24 ] The quadrupolar interaction of zeolite with nitrogen molecules allows for pressure swing adsorption (PSA) technology in portable medical oxygen concentrators. [ 25 ] To evaluate the possibility of an electrochemical oxygen pump using a solid polymer electrolyte.(SPE) is a potential device for efficient and portable oxygen synthesis, as stated. [ 26 ] This study provides crucial evidence for enhancing health systems in low- and middle-income nations experiencing oxygen shortages. A probability proportional to size (PPS) sampling survey was performed on 450 health facilities across 21 Indian states.[ 27 ] Oxygen concentrators (OCs) may be a viable alternative to traditional oxygen cylinders for improving access to oxygen in poor and middle-income countries. [ 28 ] Although portable oxygen concentrators (POCs) are effective under many conditions, there are questions about their efficacy during sleep (shallow breathing) and exercise (rapid respiration rates).[ 29 ] This study compared the effects of two zeolite adsorbents, 13Xzeolite and a combination of 13X and Bayah zeolite (13X + ZAB), on the quality of oxygen produced using Pressure Swing Adsorption (PSA). [ 30 ] Designing and optimizing adaptable single-bed MOC systems with simulation-based optimization for PSA and PVSA technologies. [ 31 ] Developing portable oxygen concentrator’s for individuals with respiratory problems that are practical and efficient.The usage of a simplified PVSA cycle and nano sized zeolite adsorbent was explored.[ 32 ] This research aims to enhance the performance of tiny adsorption-type oxygen concentrator’s using two zeolites. Develop and validate an analytical method for gas flow and temperature distribution in columns ranging from 15 to 30 cm in length was developed and validated.[ 33 ] This article explores the design of a portable medical device oxygen concentrator employing pressure swing adsorption (PSA) technology. Using LiXzeolite in the PSA system provides a viable solution for efficient oxygen production in a compact and portable architecture. [ 34 ] This research aims to promote the use of portable and hospital oxygen concentrator’s that use Na-Xzeolites to deliver continuous oxygen flow to patients with respiratory demands. [ 35 ] The PSA equipment and procedures should be optimized to increase the efficiency and use zeolite to maximize oxygen production capability. [ 36 ] Study the impact of zeolite size, mass, and type on oxygen purity in an oxygen concentrator using the Pressure Swing Adsorption (PSA) method.Analyze and analyze data to identify optimal settings for maximizing oxygen purity. [ 37 ] The goal is to develop and analyzed 3D printed zeolite monoliths as an acceptable replacement for topelletized zeolite in oxygen concentrator’s in low-resource environments. [ 38 ] Assess the feasibility of employing waste materials, specifically coal fly ash, for low-cost, sustainable zeoliteX (NaX) synthesis in African countries. The goal is to enable the development of affordable and accessible oxygen concentrators for practical application. [ 39 ] Evaluate the possibility of nano zeolites as a replacement for conventional molecules.Zeolites can improve oxygen yield and efficiency in oxygen concentrators, leading to better patient care and access to medical-grade oxygen. [ 40 ] Investigate the use of silica gel as an alternate filtration medium in portable oxygen concentrators to increase oxygen purity compared to regular synthetic zeolite. [ 41 ] Examine the effectiveness of the Excavation process in enhancing oxygen concentrator performance versus the commonly used pressure swing adsorption technology. [ 42 ] This research attempts to find the ideal flow rate for maximizing oxygen purity for both Zeolite13X and a combination of Zeolite13X and Zeolite Alam Bayah adsorbents. The component of air is shown in Fig. 1 .The Earth's atmosphere is made up of a gas mixture known as air. Nitrogen comprises 78% of this gas, and includes oxygen (21%), water vapor (variable), argon (0.9%), carbon dioxide (0.04%), and trace gases. Air pressure refers to the force that air exerts on objects. All the air in the atmosphere presses on the ground due to its magnetic attraction force. A pressure Swing Adsorption (PSA) oxygen concentrator is a device that increases the oxygen concentration in the surrounding air by selectively adsorbing nitrogen molecules using zeolite, a particular material that has a strong affinity for nitrogen. A summary of the schematics and descriptions is shown in Fig. 2 . 1.1 Compressed air The system first draws in ambient air, which is compressed by a pump.This raises the pressure of all the gas components in the air, including oxygen and nitrogen. 1.2 Zeolite beds Compressed air moves through two compartments containing zeolite.Zeolite serves as a molecular sieve, selectively adsorbing gas molecules based on size and affinity.Zeolite has a high affinity for nitrogen molecules, trapping them on its surface. 1.3 Pressure swing The "swing" portion involves reducing pressure in one of the zeolite beds.This allows previously adsorbed nitrogen molecules to desorb (re-release) from the zeolite, while oxygen molecules, which are not strongly attracted to the zeolite, remain unaffected. 1.4 Enriched oxygen The remaining gas exiting this initial chamber is now much more oxygen than ambient air.After that, the enriched oxygen was collected and provided to the patient. 1.5 Regeneration While one zeolite bed releases nitrogen, the other is still under high pressure, adsorbing nitrogen from the entering compressed air.This cycle of adsorption and desorption rotates between the two beds indefinitely, guaranteeing a steady supply of enriched oxygen. 2. Materials and Methods [ 43 ] The best parameters for increasing oxygen and nitrogen purity were determined in a pressure swing adsorption (PSA) unit with activated alumina as the adsorbent. [ 44 ] The goal is to create a portable, inexpensive, and effective oxygen concentrator prototype to solve the crucial issue of oxygen access in various circumstances. [ 45 ] Identify and assess additional NOx reduction techniques for further optimization and possible synergy. [ 46 ] Developed and validated a cost-effective, high-performance oxygen concentrator for patients with COPD using pressure swing adsorption (PSA) technology. [ 47 ] Create and evaluate a heat and mass transfer model for rapid-cycle pressure swing adsorption (PSA) air separation with tiny LiLS.X zeolite particles are used to optimize the process for higher oxygen purity, recovery, and productivity. [ 48 ] Pressure swing adsorption (PSA) technology has been investigated and promoted as a competitive and versatile method for producing high-purity oxygen that meets both environmental and industrial objectives. [ 49 ] Developed and promoted a medical device using Pressure Swing Adsorption (PSA) technology for point-of-care oxygen therapy in various settings. This addresses the growing demand and resource constraints caused by the COVID-19 pandemic and limited access to oxygen in developing countries. [ 50 ] To meet the important demand for accessible and cheap medical oxygen therapy in Jordan, we developed a locally produced and configurable concentrator using a sustainable and efficient approach. Pressure swing adsorption (PSA) is a versatile process that separates gas mixtures such as air into different components, as illustrated in the Fig. 3 2.1 Adsorption A pressured gas mixture passes through an adsorbent-containing column. Gas molecules with a higher affinity for the adsorbent will adhere to its surface, whereas the less strongly attracted molecules will travel through the column and escape as product gases. 2.2 Depressurization When the adsorbent bed is nearly saturated with the required gas, the pressure in the column decreases. This causes the adsorbed gas molecules to desorb from the adsorbent and pass through the column as the purified product. 2.3 Regeneration To prepare the adsorbent bed for another cycle, it is purged with a purge gas, such as air or another inert gas, at low pressure. This removes any remaining adsorbed molecules from the bed and prepares it for the next adsorption cycle. 3. Methodology 3.1 Compressor Figure 3 . shows that the compressor is the heart of an oxygen concentrator, and is responsible for sucking in air, pressurizing it, and feeding it into the sieve beds.The compressor begins by sucking in ambient air from the surrounding area via an air filter. This filter eliminates dust, pollen, and other airborne particles that can harm internal components or disrupt the oxygen separation process.Once the air enters the compressor, it is swiftly compressed by a succession of pistons or diaphragms. This dramatically increases the pressure of the air, generally reaching 2–3 times that of the surrounding atmosphere. The compression process generates heat, which can damage the compressor and reduce oxygen concentration efficiency. To avoid this, oxygen concentrators use cooling devices such as fans or heat exchangers to disperse generated heat and maintain proper operating temperatures.The compressed air then exits the compressor and is routed to the sieve beds, which are the main components responsible for separating oxygen from nitrogen. This compressed air is the driving force behind the separation process within the sieve beds. 3.2 Exchange Valve The valve works in tandem with two independent zeolite sieve beds that contain a unique substance capable of selectively adsorbing nitrogen molecules from the air.During the adsorption phase, the valve directs compressed air from the compressor to one of the sieve beds. The zeolite substance in this bed traps nitrogen molecules, allowing oxygen-rich air to pass through and reach the patient.During the desorption phase, the valve switches positions, isolating the filled sieve bed and directing compressed air to the other bed. This produces a pressure difference that aids in the release of adsorbed nitrogen molecules from the previous full bed, preparing it for the next adsorption cycle.The alternating flow of air between the two sieve beds is controlled by the exchange valve, which allows for continuous oxygen production by the concentrator. 3.3 Combination Valve During adsorption, direct compressed air is added to the chamber containing the zeolite material for nitrogen adsorption. During desorption, open separate ports are opened to generate a pressure difference within the chamber, allowing the adsorbed nitrogen molecules to be released and the bed to be prepared for the next sorption cycle.The primary exchange valve would still controlled the flow of air between the two sieve beds during the adsorption and desorption stages. When the oxygen pressure reaches a specific level, the integrated bypass valve opens, allowing some of the enhanced air to bypass the sieve beds and continue to flow to the patient. 3.4 Pressure regulator The concentrator generates oxygen-rich air at a pressure higher than atmospheric pressure.The pressure regulator functions as a buffer, controlling the flow of oxygen to keep the pressure constant despite changing demand. This provides constant and uninterrupted oxygen delivery.The pressure regulator lowers this pressure to a safe and comfortable level for the patient. 3.5 Air tank An air tank is prefilled with compressed air or medical-grade oxygen. This stored oxygen, provides a limited supply until the tank needs to be refilled.Air tanks may deliver oxygen at higher flow rates than conventional oxygen concentrator’s, making them ideal for emergency situations or for individuals with high oxygen requirements. oxygen concentrators are often, large and require an electrical outlet to function, hence they are best suited for home or stationary use Figure 4 . Schematics of the proposed PSA Oxygen concentrator 4. Purpose The goal is to develop a modular and user-friendly device that improves the safety and comfort of oxygen therapy while simultaneously providing important health monitoring capabilities. 4.1 Portable Oxygen generation The concentrator extracts oxygen from the surrounding air using pressure swing adsorption (PSA) technology, ensuring a consistent supply of oxygen for the user. 4.2 Health monitoring An HX710B air Pressure Sensor is used to monitor a user's health parameters, such as respiratory rate or lung function, by monitoring air pressure in the user's surroundings or within the respiratory system. 4.3 Safety enhancement Real-time health monitoring can help assure the user safety during oxygen therapy by enabling for fast action if any adverse health events occur. 4.4 Convenience By combining oxygen generation and health monitoring into a single portable device, users may receive oxygen therapy and health monitoring wherever they go, eliminating the need for several pieces of equipment. 4.5 Data Collection Devices may gather data over time, and can then be analyzed or used to provide insights into the users’ health trends. 5. Practical Implications The practical implications of health monitoring in POCs are encouraging, but successful adoption necessitates collaboration among technology developers, healthcare providers, and regulatory organizations. To maximize the benefits for patients and healthcare systems, it will be necessary to address the problems described above and ensure the ethical and responsible use of ML algorithms. 6. Research Limitations 6.1 Data privacy and security Health monitoring devices collect sensitive personal information. Ensuring the privacy and security of sensitive data is critical, and may necessitate additional precautions to comply with data protection rules. 6.2 Clinical Validation If the device is intended for medical use, clinical trials or studies to validate its efficacy and safety may be needed, which can be time-consuming and costly. 6.3 Environmental Considerations Creating a portable device brings about concerns regarding its environmental impact, including energy consumption, materials consumption, and end-of-life disposal. 7. Originality 7.1 Potential for Personalized Therapy The combination of oxygen concentration and health monitoring could allow for personalized therapy depending on the user's specific needs and health status, increasing the efficacy of oxygen treatment. 7.2 Compact and portable design The integration of these technologies into a single portable device is revolutionary in and of itself. This design provides increased mobility and convenience for individuals who need oxygen therapy while on the go. 7.3 Integrated Health Monitoring Although POCs are routinely used for oxygen therapy, the use of an HX710B air pressure sensor for health monitoring is uncommon. This integration enables real-time monitoring of the user's health parameters, resulting in a more complete approach to patient treatment. Table 2 shows the trade-offs between traditional and portable oxygen concentrators, with each kind suited for particular use cases and locations based on considerations such as mobility, power source availability, and user preferences. Table 2 Comparison of different features. Measurements of Oxygen Concentrator Technology, Materials, Capacity, Size, and Applications Reference Medical Device Technology Implemented Type of Capacity Type of Material Applications [ 1 ] Oxygen Concentrator PSA 10 LPM Aluminia and zeolite Home / Hospital [ 2 ] Oxygen Concentrator PSA 5 LPM Zeolite Home/ Hospital [ 3 ] Oxygen Concentrator PSA 5 LPM 5A zeolite Home/ Hospital [ 4 ] Oxygen Concentrator / PSO Algorithm PSA 5 LPM Zeolite Hospital [ 6 ] Single bed Concentrator RPSA 10 LPM LiLSX zeolite Military medical camps and cruise ships [ 7 ] Oxygen Concentrator PSA 1 LPM Coal Fly Ash, Rice Husk Ash Research Purpose [ 8 ] Portable Oxygen Concentrator PSA 1 LPM Silica gel Hospital [ 9 ] Oxygen Generators PSA 10 LPM Zeolite Hospital [ 11 ] Oxygen Concentrator CPAP automatic devices PSA 5 LPM - Hospital [ 20 ] One bed Concentrator PSA 5 LPM Zeolite 13X Hospital [ 23 ] Oxygen Generators / Three-way connector PSA 5 LPM Zeolite Home / Hospital [ 24 ] Portable Oxygen Concentrator PSA - Li-13X 5A, Zeolite Home [ 25 ] Oxygen Concentrator (oxygen pump) PSA - Nano structural Catalysts Research Purpose [ 31 ] Portable Oxygen Concentrator PVSA 1 LPM Nano size zeolite Home / Hospital Proposed Method Portable Oxygen Concentrator PSA 1–7 LPM Zeolite Home care 8.The proposed prototype oxygen concentrators are medical devices that capture oxygen from the surrounding air and provide oxygen to patients who need supplemental oxygen therapy. Monitoring and enhancing patient functioning are critical for ensuring patient safety and providing the appropriate amount of oxygen. Air pressure sensors play an important role in this process since they provide data on several elements of the concentrator's performance. 8.1 Flow rate Air pressure sensors can be used to determine the rate of oxygen delivery to the patients.This approach is necessary to ensure that the patient obtains the appropriate amount of oxygen. 8.2 Pressure Sensors can monitor pressure within concentrator internal components, including PSA beds, This data aids in detecting potential blockages or leaks that could impair performance. 8.3 Purity Air pressure sensors can indirectly determine oxygen purity by monitoring the pressure difference between ambient air and concentrated oxygen stream. Figure 5 shows that an air pressure sensor module is a tiny device that detects the pressure of the air surrounding it. They are employed in a broad range of applications. The concentrator settings were adjusted based on the detected flow rate to ensure that patients received the prescribed amount of oxygen.Air pressure sensors are utilized in several medical devices. The sensor module features a high linearity pressure sensor and a low-power, 24-bit apparent diffusion coefficient ADC with factory-calibrated coefficients. The device offers accurate 24-bit digital pressure and temperature readings, as well as customizable operation modes to optimize the conversion speed and current usage. Table 1 Product Specifications Interface Type Serial Data Output Rate 10 SPS / 80SPS Max. Operating Current (mA) 1.5 Operating Temperature Range (°C) -40 to 85 IC Package 16 Pin SOP Gain 32 / 64 / 128 Length (mm) 18 Width (mm) 17 Height (mm) 2 Weight (gm) 2 Weight 0.005 kg Dimensions 5 × 5 × 2 cm Table 1 Shows that HX710B air pressure sensor module is an excellent solution for models that require precise and consistent measurements of low-pressure ranges. Its adaptability, compact size, and low power consumption. Figure 4 .This diagram depicts the basic connections between the oxygen concentrator and its important components. The concentrator was placed into a power outlet.The filter eliminates dust and particulates from the surrounding air, A unit that compresses the surrounding air. Chambers containing zeolite material that separates oxygen and nitrogen.The valve controls the flow of air between the sieve beds. The output pressure of oxygen-rich air is controlled. A connection point for the nasal cannula or other oxygen delivery equipment. Connection to the Arduino Controller Figure 6 . Interfacing Portable Oxygen concentrator and air pressure sensor with Arduino Controller Figure 6 . Shows Connecting the portable oxygen concentrator (POC) and an air pressure sensor (HX710B) to an Arduino controller is an intriguing and potentially powerful model for monitoring and regulating parts of oxygen therapy. Table 2 Flow vs Purity Flow (LPM) Purity (%) 1 93 2 78 3 65 4 55 5 50 6 45 7 35 Table 2 shows the oxygen concentrator's output flow and purity are tabulated. To understand the performance of an oxygen concentrator, it is important to consider the flow rate and purity of the produced Oxygen. Figure 6 shows a graph of the experimental findings for flow rate vs purity revealing the relationship between these two variables. A common experiment involves adjusting the flow rate and determining the purity of the produced oxygen . Table 3 Flow vs air output pressure Flow (LPM) Air output Pressure (KPa) (Maximum) Air output Pressure (KPa) (Minimum) 1 1.50 1.39 2 1.54 1.31 3 1.55 1.30 4 1.56 1.30 5 1.55 1.29 6 1.54 1.28 7 1.55 1.27 Table 3 shows the experimental results for the flow rate vs air output pressure, adjust the flow rate was adjusted on the concentrator and measure the associated air output pressure was measured. Figure 8 The graph shows the trial findings of an oxygen concentrator's flow rate versus its air output pressure allowing us to see the device operates across various settings. 9.Mathematical calculation Tidal volume / Inspiratory time 1.Flow rate = Tidal volume / Inspiratory time Tidal volume = 20 ml, Inspiratory time = 1 sec V’=20 ml / 1 sec = 20 ml / seconds V’=20*10^ −3 *60 Sec / 1 Minute = 1.2 Liter/ Minute Tidal volume / Inspiratory Time 2. Flow rate = Tidal volume / Inspiratory Time Tidal volume = 75 ml, Inspiratory time = 1 sec V’= 75 ml / 1 Sec = 75 ml / seconds V’=75*10^ −3 *60 Sec / 1 Minute = 4.5 Liter/ Minute Table 2 shows the table and graph of the experimental data for tidal volume, inspiratory time, and flow rate provide a clear picture of how these variables interact with one another and change under various conditions. These data are useful for determining respiratory function, improving ventilator settings, and assessing the efficacy of respiratory devices. Table 4 Flow vs air output pressure S.No Tidal volume (ml) Inspiratory time (Sec) Flow rate (Liter/Minute) 1 10 1 0.6 2 15 1 0.9 3 20 1 1.2 4 25 1 1.5 5 30 1 1.8 6 35 1 2.1 7 40 1 2.4 8 45 1 2.7 9 50 1 3.0 10 55 1 3.3 11 60 1 3.6 12 65 1 3.9 13 70 1 4.2 14 75 1 4.5 15 80 1 4.8 16 85 1 5.1 17 90 1 5.4 18 95 1 5.7 19 100 1 6.0 20 105 1 6.3 21 110 1 6.6 22 115 1 6.9 Figure 9 shows the graphical relationship between tidal volume and flow rate in liters per minute (LPM). tidal volume and flow rate are connected, provides insights into the dynamics of airflow in respiratory systems as well as the functioning of associated medical equipment. 10.Results Thus the output for monitoring the air pressure of an with HX710B air pressure sensor module and using Arduino has been executed. The Portable Oxygen Concentrator utilizing Pressure Swing Adsorption with a HX710B Air Pressure Sensor for Health Monitoring has been completed. While technically viable, the model confronts substantial problems in sensor accuracy, safety, and adherence to medical device laws. The proposal is for indirect flow rate measurement utilizing pressure sensors and algorithm-based estimation. 11.Discussion This research investigated a complete health monitoring system that is utilized for monitoring of several health indicators of a patients. The proposed system is connected to be a power-efficient device via the use of an HX710B air pressure sensor. A health monitoring system, based on the Arduino UNO and portable oxygen concentrator was proposed. The flow rate, oxygen purity and air pressure parameters were calculated. 12.Comparison with similar works This device monitors the user's health, possible by detecting air pressure in the surrounding environment or within the user's respiratory system. portable oxygen concentrators (POCs) are devices used by people with respiratory problems to provide a consistent flow of oxygen. They are meant to be lightweight and portable, allowing consumers to continue their oxygen therapy while on the move. Pressure swing adsorption (PSA) is a typical technique used in oxygen concentrators to separate oxygen from air. This technique involves passing air through a substance (often a molecular sieve) that adsorbs nitrogen and other gases, allowing oxygen to flow through for collection.The HX710B is a precision 24-bit analog-to-digital converter (ADC) intended for weighing scales and industrial control applications. It is widely used to connect analog sensors, such as load cells or pressure sensors, to microcontrollers or other digital devices. 13.Conclusions Air pressure sensors, which measure flow rate, pressure, and, indirectly, purity, provide valuable data for monitoring, adjusting, and troubleshooting, portable oxygen concentrators. As technology advances, sensor accuracy and integration are expected to improve, increasing the reliability and effectiveness of oxygen concentrator therapy. Airflow sensors can be effectively implemented in existing oxygen concentrator models with minor modifications, providing a convenient and accessible platform for airflow measurement, Compared to existing calibration methods, the airflow data gathered utilizing integrated sensors demonstrated high accuracy and reliability. Interfacing a POC and an air pressure sensor with an Arduino provides possibilities for monitoring and possibly optimizing oxygen therapy.The proposed method has the ability to monitor airflow in a wide range of applications. Patient respiratory parameters were monitored during oxygen therapy. Monitoring airflow in processes that require precise control. 14.Future Research Work Machine learning algorithms for Predictive Health Monitoring are integrated into a portable oxygen concentrator with pressure swing adsorption and an HX710B air pressure sensor.The creation of a proof of concept (POC) using integrated machine learning (ML) algorithms for predictive health monitoring has enormous potential to improve patient care and quality of life. The combination of PSA technology for oxygen production, the HX710B air pressure sensor, and advanced machine learning analysis can result in a potent tool for managing respiratory problems. Abbreviations POC : Portable oxygen concnetrator COPD: Chronic obstructive pulmonary disease LPM : Liters per minute T d : Tidal volume T i : Inspiratory Time Declarations Ethics approval and consent to participate Not applicable Consent for publication Not applicable Availability of data and materials Not applicable Competing interests The authors declare that they have no competing interests Funding The authors would like to acknowledge the support provided by the Indian Council Medical Research for supporting this Research. Authors' contributions All the authors have contributed equally to the study in terms of conceptualization, approach, software, validation, formal analysis, resource, writing and reviewing, and visualization. Acknowledgments I want to sincerely thank Dr. J. Jayakumar and Dr. P. Subha hency jose for their early guidance. I want to express my gratitude to the technical staff in our division. This work was funded by Indian Council Medical Research provided assistance for this research, which the authors would like to recognize. Authors' information Dr. Jayakumar Jayaraj, Division of Electrical and Electronics Engineering, Karunya Institute of Technology and Sciences, Coimbatore - 641114, Tamilnadu, India. Dr. Subha Hency Jose Paul, Division of Biomedical Engineering, Karunya Institute of Technology and Sciences, Coimbatore - 641114, Tamilnadu, India. References Shrivastava, Siddhant, Abhishek Verma, J. Ramkumar, and Rupendra Aryal. "A Comprehensive Study for Improving the Working Parameters for the Design of a PSA-Based Oxygen Concentrator." Engineering Research Express (2023). Prayoga, Galang Adira, Emir Husni, and Salahudin Damar Jaya. "Design of an Embedded Controller and Optimal Algorithm of PSA for a Novel Medical Oxygen Concentrator." International Journal on Electrical Engineering & Informatics 15, no. 2 (2023). Yadav, Virendra Kumar, Nisha Choudhary, Gajendra Kumar Inwati, Ashita Rai, Bijendra Singh, Bharat Solanki, Biswaranjan Paital, and Dipak Kumar Sahoo. "Recent trends in the nanozeolites-based oxygen concentrators and their application in respiratory disorders." Frontiers in Medicine 10 (2023): 1147373. Bahari, Yunus, Sri Agustina, and Teguh Kurniawan. "Apparatus for the use of zeolite as an adsorbent in the pressure swing adsorption (PSA) technology for oxygen concentrator." ASEAN Journal for Science and Engineering in Materials 2, no. 1 (2023): 69-74. Nasrollah, Soodeh, S. Esmaeil Najafi, Hadi Bagherzadeh, and Mohsen Rostamy-Malkhalifeh. "An enhanced PSO algorithm to configure a responsive-resilient supply chain network considering environmental issues: a case study of the oxygen concentrator device." Neural Computing and Applications 35, no. 3 (2023): 2647-2678. Vemula, Rama Rao, Matthew D. Urich, and Mayuresh V. Kothare. "Experimental design of a “Snap-on” and standalone single-bed oxygen concentrator for medical applications." Adsorption 27 (2021): 619-628. Mazzeo, Leone, Tamara Boscarino, Maria Beatrice Falasconi, Stefano Polvi, Vincenzo Piemonte, and Leandro Pecchia. "Zeolite Synthesis from Waste Materials for the Medical Field of Oxygen Concentrators: Focus on the African Scenario." Chemical Engineering Transactions 101 (2023): 163-168. Ardiansyah, Syahrul Ramadhan, and Akbar Sujiwa. "ANALYSIS OF OXYGEN CONCENTRATION VALUES IN PORTABLE OXYGEN CONCENTRATOR DEVICES BY USING SILICA GEL AS FILTRATION MATERIAL." BEST: Journal of Applied Electrical, Science, & Technology 5, no. 1 (2023): 11-14. Carty, Michael L., and Stephane Bilodeau. "Benchmarking Thermodynamic Models for Optimization of PSA Oxygen Generators." J 6, no. 2 (2023): 318-341. Galang, Adira Prayoga, I. Putu Satwika, Marta Diana, and Emir Husni. "Design and implementation system of mobile oxygen concentrator and telemedicine for comprehensive treatment of SpO2." International Journal of Advanced Technology and Engineering Exploration 10, no. 106 (2023): 1103. Alhamd, M. W., Ali Jassem Abdolhusain, Yahia Jaafar Lola, and Mazen Abbas Al-Gharrawy. "Early Diagnosis of Respiratory Disease in Light of COVID-19 Infection and Use of Oxygen Concentrators and CPAP Devices for the Treatment of Respiratory Failure." Iraqi Journal of Industrial Research 10, no. 1 (2023): 34-40. Gardenhire, Douglas SS, Robert B. Murray, Robin E. Gardenhire, and Kyle Brandenberger. "Comparison of Portable Oxygen Concentrators and Inspired Oxygen Levels Using a COPD Patient Simulation Model." (2023). Sun, Yuan, Chuanzhao Zhang, Xianqiang Zhu, Liang Dong, and Xianhang Sun. "Mass and heat transfer of pressure swing adsorption oxygen production process with small adsorbent particles." Processes 11, no. 8 (2023): 2485. Gadiraju, Nikhil, Nikhil Peterson, Jessica Shah, Annabelle Chu, Michael A. Larbie, Amy Bu, and Ann Saterbak. "Design and Development of a Novel System for Remote Control of Stationary Oxygen Concentrator Flow Rate." Medical Devices: Evidence and Research (2023): 91-100. Yousofnejad, Yeganeh, Fatemeh Afsari, and Mahboubeh Es’ haghi. "Dynamic risk assessment of hospital oxygen supply system by HAZOP and intuitionistic fuzzy." Plos one 18, no. 2 (2023): e0280918. Chen, John Z., Ira M. Katz, Marine Pichelin, Kaixian Zhu, Georges Caillibotte, Warren H. Finlay, and Andrew R. Martin. "In vitro–in silico comparison of pulsed oxygen delivery from portable oxygen concentrators versus continuous flow oxygen delivery." Respiratory Care 64, no. 2 (2019): 117-129. Chin, Cynthia, Zykamilia Kamin, Mohd Hardyianto Vai Bahrun, and Awang Bono. "The Production of Industrial-Grade Oxygen from Air by Pressure Swing Adsorption." International Journal of Chemical Engineering 2023 (2023). Naskar, Indrajit, Arabinda Kumar Pal, and Nandan Kumar Jana. "Self-Regulating Adaptive Controller for Oxygen Support to Severe Respiratory Distress Patients and Human Respiratory System Modeling." Diagnostics 13, no. 5 (2023): 967. Lalitha, A. V., Chandrakant G. Pujari, and John Michael Raj. "Bubble continuous positive airway pressure oxygen therapy in children under five years of age with respiratory distress in pediatric intensive care unit." Indian Journal of Critical Care Medicine: Peer-reviewed, Official Publication of Indian Society of Critical Care Medicine 27, no. 11 (2023): 847. Ongtrakul, Salila, Anyarin Thitiratannapong, Chuchart Pintavirooj, and Treesukon Treebupachatsakul. "Pressure Swing Absorption Oxygen Concentrator equipped with Remote Monitoring Pulse Oximeter." In 2021 13th Biomedical Engineering International Conference (BMEiCON) , pp. 1-5. IEEE, 2021. Thitirattanapong, Anyarin, Salila Ongtrakul, and Chuchart Pintavirooj. "Low-Cost Blower-Based Ventilator." In 2021 13th Biomedical Engineering International Conference (BMEiCON) , pp. 1-3. IEEE, 2021. Al-Shawabkeh, Ali F., Nijad Al-Najdawi, and Abdullah N. Olimat. "High purity oxygen production by pressure vacuum swing adsorption using natural zeolite." Results in Engineering 18 (2023): 101119. Cheah, Phee Kheng, Evelyn Marie Steven, Khai Keam Ng, Muammar Iqbal Hashim, Mohamed Hakimi Abdul Kadir, and Nicholas Paul Roder. "The use of dual oxygen concentrator system for mechanical ventilation during COVID-19 pandemic in Sabah, Malaysia." International journal of emergency medicine 14, no. 1 (2021): 30. Das, Ankita, and Asim K. Das. "Quadrupolar Interaction with Zeolite and Pressure Swing Adsorption in Portable Medical Oxygen Concentrators for Breathing of Covid-19 and COPD Patients." Resonance 27, no. 8 (2022): 1387-1409. Pushkarev, A. S., I. V. Pushkareva, M. A. Solovyev, S. I. Butrim, and S. A. Grigoriev. "The study of the solid polymer electrolyte oxygen concentrator with nanostructural catalysts based on hydrophobized support." Nanotechnologies in Russia 15, no. 11-12 (2020): 785-792. Batheja, Deepshikha, Vinith Kurian, Sharon Buteau, Neetha Joy, and Ajay Nair. "Role of oxygenation devices in alleviating the oxygen crisis in India." PLOS Global Public Health 3, no. 8 (2023): e0002297. McAllister, Susan, Louise Thorn, Sainimere Boladuadua, Mireia Gil, Rick Audas, Tim Edmonds, Eric Rafai, Philip C. Hill, and Stephen RC Howie. "Cost analysis and critical success factors of the use of oxygen concentrators versus cylinders in sub-divisional hospitals in Fiji." BMC health services research 21, no. 1 (2021): 1-7. Martin, Dion C. "Contemporary portable oxygen concentrators and diverse breathing behaviours--a bench comparison." BMC pulmonary medicine 19 (2019): 1-11. Satria, Dhimas, Teguh Kurniawan, and Nidya Jullanar Salman. "the Effect of Variation of Zeolite As Adsorbent Medium and Adsoption Pressure Toward the Quality of Oxygen Produced From Pressure Swing Adsorption (Psa)." Jurnal Rekayasa Mesin 13, no. 1 (2022): 119-127. Arora, Akhil, and MM Faruque Hasan. "Flexible oxygen concentrators for medical applications." Scientific reports 11, no. 1 (2021): 14317. Pan, Mingfei, Hecham M. Omar, and Sohrab Rohani. "Application of nanosize zeolite molecular sieves for medical oxygen concentration." Nanomaterials 7, no. 8 (2017): 195. Ogawa, Kuniyasu, Yosuke Inagaki, and Akio Ohno. "Numerical analysis of O2 concentration, gas-zeolite temperatures in two zeolite columns for an oxygen concentrator." International Journal of Heat and Mass Transfer 129 (2019): 238-254. Sami, Ahsan, Marium Irfan, Riaz Uddin, Abdullah Haider Ali, Humayun Khan, Erij Khan, and Muhammad Sameer. "Oxygen concentrator design: zeolite based pressure swing adsorption." Engineering Proceedings 20, no. 1 (2022): 26. Dixita, Aparna, Shivam Shuklaa Sourava, Avika Pala, Vishal R. Pansec, Cornelia-Victoria Angheld, and Sanjeev Kumar Bhallaa. "Oxygen Concentrator with Zeolites-Na: An Economic Design." Bahari, Yunus, Sri Agustina, and Teguh Kurniawan. "Apparatus for the use of zeolite as an adsorbent in the pressure swing adsorption (PSA) technology for oxygen concentrator." ASEAN Journal for Science and Engineering in Materials 2, no. 1 (2023): 69-74. Hida, S. N., A. N. Putra, M. Y. Nurjaya, M. B. R. Sunaryo, and A. Suhendi. "The Effect of Adsorbent-Material Properties on PSA Based Oxygen Concentrators." In Journal of Physics: Conference Series , vol. 2673, no. 1, p. 012035. IOP Publishing, 2023. Coro, Florinda, Licia Di Pietro, Simone Micalizzi, Antonio Bertei, Giuseppe Gallone, Anna Maria Raspolli Galletti, Arti Ahluwalia, and Carmelo De Maria. "3D printed zeolite monoliths as open-source spare parts for oxygen concentrators." Chemical Engineering Science 285 (2024): 119590. Mazzeo, Leone, Tamara Boscarino, Maria Beatrice Falasconi, Stefano Polvi, Vincenzo Piemonte, and Leandro Pecchia. "Zeolite Synthesis from Waste Materials for the Medical Field of Oxygen Concentrators: Focus on the African Scenario." Chemical Engineering Transactions 101 (2023): 163-168. Yadav, Virendra Kumar, Nisha Choudhary, Gajendra Kumar Inwati, Ashita Rai, Bijendra Singh, Bharat Solanki, Biswaranjan Paital, and Dipak Kumar Sahoo. "Recent trends in the nanozeolites-based oxygen concentrators and their application in respiratory disorders." Frontiers in Medicine 10 (2023): 1147373. Ardiansyah, Syahrul Ramadhan, and Akbar Sujiwa. "ANALYSIS OF OXYGEN CONCENTRATION VALUES IN PORTABLE OXYGEN CONCENTRATOR DEVICES BY USING SILICA GEL AS FILTRATION MATERIAL." BEST: Journal of Applied Electrical, Science, & Technology 5, no. 1 (2023): 11-14. Patil, Ajinkya, Pradnya Chopade, Pratik Ingole, Shrinath Banpatte, and Swaroop Pawshe. "Oxygen Concentrator–Oxygen Separation from Air Using 5A Zeolite Molecule." International Journal of Scientific & Engineering Research 6 (2021): 2053-55. Satria, Dhimas, Teguh Kurniawan, Imron Rosyadi, Rina Lusiani, Mekro Permana Pinem, and Nidya Jullanar Salman. "The Effect of Air Flow Rate on Oxygen Purity Level in Pressure Swing Adsorption Equipment with Zeolite 13x and Natural Zeolite Bayah." In Conference on Broad Exposure to Science and Technology 2021 (BEST 2021) , pp. 396-401. Atlantis Press, 2022. Hamed, Hussein H. "Oxygen and nitrogen separation from air using zeolite type 5A." Al-Qadisiyah Journal for Engineering Sciences 8, no. 2 (2015): 147-158. Ding, Yun, Jaebum Choo, and Andrew J. DeMello. "From single-molecule detection to next-generation sequencing: microfluidic droplets for high-throughput nucleic acid analysis." Microfluidics and nanofluidics 21 (2017): 1-20. Otto, Hans Hermann. "Save the Diesel Car: Proposal for Nitrogen Removal with the Aid of Cost-Efficient Built-In Zeolite Based Oxygen Concentrators and Accompanying Steps." Researchgate. net (2017). Bobby, J. Sofia, S. Bharath, C. Madhankumar, K. Sudharsanam, U. Ummathullah, and PB Edwin Prabhakar. "Cost efficient oxygen concentrator with PSA technology." Cardiometry 25 (2022): 182-185. Sun, Yuan, Chuanzhao Zhang, Xianqiang Zhu, Liang Dong, and Xianhang Sun. "Mass and heat transfer of pressure swing adsorption oxygen production process with small adsorbent particles." Processes 11, no. 8 (2023): 2485. Chin, Cynthia, Zykamilia Kamin, Mohd Hardyianto Vai Bahrun, and Awang Bono. "The Production of Industrial-Grade Oxygen from Air by Pressure Swing Adsorption." International Journal of Chemical Engineering 2023 (2023). Badr, Mohamed, Mena Atef, Hala Ramadan, Fadwa Ahmed, Zainab Abd Elhameid, and Mohamed I. Abdo. "Oxygen Enrichment Unit Using Pressure Swing Adsorption Technology with Monitoring System." In The International Undergraduate Research Conference , vol. 5, no. 5, pp. 409-413. The Military Technical College, 2021. Al-Dabbas, Mohammad Awwad. "Jordanian Medical Oxygen Generator for COVID 19 Patients." Design Engineering (2021): 10190-10219. Cite Share Download PDF Status: Under Review Version 1 posted Reviewers agreed at journal 28 Feb, 2024 Reviewers invited by journal 28 Feb, 2024 Editor assigned by journal 16 Feb, 2024 First submitted to journal 14 Feb, 2024 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. Our growing team is made up of researchers and industry professionals working together to solve the most critical problems facing scientific publishing. Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-3954282","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":275605502,"identity":"8feb7ba3-72fc-44c1-a728-1fd1dbd3e24a","order_by":0,"name":"vijai sivalingam","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAABCklEQVRIiWNgGAWjYDACZgjF2AAkDkgwSMiBeAcekKLFGKwlgQjLwFpAIBHMwKdFvp3H8OPPtjuy/bPPGB6wqLFInx92+CHQFjs53QbsWgwO8xhL87Y9M55xLsfggMQxidyNt9MMgFqSjc0O4NDCzJYgzdh2OLHhDFvCAQk2oJbZCSAtBxK34dAi38yW/PMnUMt8sJZ/EumGs9M/4NXCcJj5mAQvUMuGM8wHDki2SSTIS+fgt8UAqMWa59xh441gLX0ShhukcwoOJBjg9ot8/8Hmmz/KDsvOO8PY/FniW528/Oz0zR8+VNjJ4dKCApglQPaCVRoQoRwEGD+A7G0gUvUoGAWjYBSMGAAA+whkxIn6PnEAAAAASUVORK5CYII=","orcid":"https://orcid.org/0009-0008-0069-6083","institution":"Karunya Institute of technology and Science: Karunya Institute of Technology and Sciences","correspondingAuthor":true,"prefix":"","firstName":"vijai","middleName":"","lastName":"sivalingam","suffix":""},{"id":275605503,"identity":"447aa284-bd17-44ad-be0e-25b41a772baa","order_by":1,"name":"Jayakumar Jayaraj","email":"","orcid":"","institution":"Karunya Institute of technology and Science: Karunya Institute of Technology and Sciences","correspondingAuthor":false,"prefix":"","firstName":"Jayakumar","middleName":"","lastName":"Jayaraj","suffix":""},{"id":275605504,"identity":"c80063ca-45c1-42f3-8243-043a8f1bd950","order_by":2,"name":"Subha Hency Jose Paul","email":"","orcid":"","institution":"Karunya Institute of technology and Science: Karunya Institute of Technology and Sciences","correspondingAuthor":false,"prefix":"","firstName":"Subha","middleName":"Hency Jose","lastName":"Paul","suffix":""}],"badges":[],"createdAt":"2024-02-13 19:38:35","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-3954282/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-3954282/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":52026852,"identity":"ee3b1c20-ffb5-4140-bb20-376fafa0d9ee","added_by":"auto","created_at":"2024-03-05 15:55:04","extension":"png","order_by":1,"title":"Figure 1","display":"","copyAsset":false,"role":"figure","size":149414,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cem\u003eComponents of air\u003c/em\u003e\u003c/p\u003e","description":"","filename":"floatimage2.png","url":"https://assets-eu.researchsquare.com/files/rs-3954282/v1/c08df9534fdddce796e07b7a.png"},{"id":52026849,"identity":"ea937bdf-5e8b-49bb-bf98-b5e9cba2b207","added_by":"auto","created_at":"2024-03-05 15:55:04","extension":"png","order_by":2,"title":"Figure 2","display":"","copyAsset":false,"role":"figure","size":125103,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cem\u003eSchematics of the PSA Oxygen concentrator\u003c/em\u003e\u003c/p\u003e","description":"","filename":"floatimage3.png","url":"https://assets-eu.researchsquare.com/files/rs-3954282/v1/d2324c98f562ed61cc513754.png"},{"id":52027453,"identity":"99acb396-0b46-4322-b9d1-3e7de4dd1ec5","added_by":"auto","created_at":"2024-03-05 16:03:04","extension":"png","order_by":3,"title":"Figure 3","display":"","copyAsset":false,"role":"figure","size":43848,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cem\u003ePressure swing adsorption (PSA) Technology\u003c/em\u003e\u003c/p\u003e","description":"","filename":"3.png","url":"https://assets-eu.researchsquare.com/files/rs-3954282/v1/7e5fe37fd8d3032f4dcece41.png"},{"id":52026850,"identity":"e81d3337-288b-433b-b401-a3c4c9a8e666","added_by":"auto","created_at":"2024-03-05 15:55:04","extension":"png","order_by":4,"title":"Figure 4","display":"","copyAsset":false,"role":"figure","size":103647,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cem\u003eSchematics of the proposed PSA Oxygen concentrator\u003c/em\u003e\u003c/p\u003e","description":"","filename":"floatimage5.png","url":"https://assets-eu.researchsquare.com/files/rs-3954282/v1/fd2c9d43bf5f757f1b052286.png"},{"id":52026856,"identity":"e2877f64-b42d-4a2a-8022-5623c7c00feb","added_by":"auto","created_at":"2024-03-05 15:55:04","extension":"png","order_by":5,"title":"Figure 5","display":"","copyAsset":false,"role":"figure","size":73428,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cem\u003eSchematic of \u0026nbsp;Air Pressure Sensor Module\u003c/em\u003e\u003c/p\u003e","description":"","filename":"5.png","url":"https://assets-eu.researchsquare.com/files/rs-3954282/v1/fabd0d334866360a506ded8a.png"},{"id":52027454,"identity":"94853d89-d00d-437d-833b-298727443fa1","added_by":"auto","created_at":"2024-03-05 16:03:04","extension":"png","order_by":6,"title":"Figure 6","display":"","copyAsset":false,"role":"figure","size":942721,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003eFig. 4. \u003c/strong\u003e\u003cem\u003eHardware for the proposed oxygen concentrator\u003c/em\u003e\u003c/p\u003e","description":"","filename":"floatimage7.png","url":"https://assets-eu.researchsquare.com/files/rs-3954282/v1/7345db4759bd31aade6a2fd3.png"},{"id":52026853,"identity":"ed9360c3-91e9-434d-95b0-da9f0ec4c0ca","added_by":"auto","created_at":"2024-03-05 15:55:04","extension":"png","order_by":7,"title":"Figure 7","display":"","copyAsset":false,"role":"figure","size":1003309,"visible":true,"origin":"","legend":"\u003cp\u003eFig. 5. \u003cem\u003eHardware connection diagram of the portable oxygen concentrator and air pressure sensor Connection to the Arduino Controller\u003c/em\u003e\u003c/p\u003e","description":"","filename":"floatimage8.png","url":"https://assets-eu.researchsquare.com/files/rs-3954282/v1/49fb848aa2cba22fb018d4b9.png"},{"id":52026859,"identity":"a1c64d8f-4cf8-438e-8fcf-9ac506f9365f","added_by":"auto","created_at":"2024-03-05 15:55:04","extension":"png","order_by":8,"title":"Figure 8","display":"","copyAsset":false,"role":"figure","size":920508,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003eFig. 6.\u003c/strong\u003e\u003ca href=\"https://www.circuitschools.com/interfacing-lcd-display-with-arduino-in-detail/\" target=\"https://www.google.com/_blank\"\u003e\u003cem\u003e Interfacing Portable Oxygen concentrator and air pressure sensor with \u003c/em\u003e\u003c/a\u003e\u003cem\u003e\u0026nbsp;Arduino Controller\u003c/em\u003e\u003c/p\u003e","description":"","filename":"floatimage9.png","url":"https://assets-eu.researchsquare.com/files/rs-3954282/v1/5f3f6ee6ca125535607d8bbe.png"},{"id":52026854,"identity":"58ee8c03-b895-4519-be46-4e0bd530558c","added_by":"auto","created_at":"2024-03-05 15:55:04","extension":"png","order_by":9,"title":"Figure 9","display":"","copyAsset":false,"role":"figure","size":32825,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003eFig. 6. \u003c/strong\u003e\u003cem\u003eExperimental results of oxygen concentrator \u0026nbsp;flow vs purity\u003c/em\u003e\u003c/p\u003e","description":"","filename":"9.png","url":"https://assets-eu.researchsquare.com/files/rs-3954282/v1/4d12d58b226b5c9f59a04cec.png"},{"id":52026855,"identity":"519e7953-c850-4733-a4ad-1265bc1c173d","added_by":"auto","created_at":"2024-03-05 15:55:04","extension":"png","order_by":10,"title":"Figure 10","display":"","copyAsset":false,"role":"figure","size":37640,"visible":true,"origin":"","legend":"\u003cp\u003eFig. 8. \u003cem\u003eFlow vs Air output Pressure\u003c/em\u003e\u003c/p\u003e","description":"","filename":"10.png","url":"https://assets-eu.researchsquare.com/files/rs-3954282/v1/fd83a7f34efc9e6bdfd2a4cb.png"},{"id":52026857,"identity":"6e2845ac-c92d-494e-a94a-b6e96659df40","added_by":"auto","created_at":"2024-03-05 15:55:04","extension":"png","order_by":11,"title":"Figure 11","display":"","copyAsset":false,"role":"figure","size":53333,"visible":true,"origin":"","legend":"\u003cp\u003eFig. 9.\u003cem\u003eGraphical representation of tidal Volume vs flow rate\u003c/em\u003e\u003c/p\u003e","description":"","filename":"11.png","url":"https://assets-eu.researchsquare.com/files/rs-3954282/v1/cbc777cfd41bb0e22dfcb2e0.png"},{"id":52028341,"identity":"ed84f39a-c4da-44f1-86bd-488b1e3550d1","added_by":"auto","created_at":"2024-03-05 16:11:11","extension":"pdf","order_by":0,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":4364996,"visible":true,"origin":"","legend":"","description":"","filename":"manuscript.pdf","url":"https://assets-eu.researchsquare.com/files/rs-3954282/v1/83955c81-7fe5-4758-94ff-55c9ca46be86.pdf"}],"financialInterests":"","formattedTitle":"Measuring the Oxygen Flow Rate and Purity in an Optimal Portable Oxygen Concentrator Performance with an Air Pressure Sensor","fulltext":[{"header":"Summary","content":"\n\u003ch3\u003eBackground\u003c/h3\u003e\n\u003cp\u003eTo help them with their breathing challenges, people with chronic obstructive pulmonary disorders (COPD) rely on portable oxygen concentrators. In order to ensure patient safety, it is imperative that these devices deliver the proper amount and quality of oxygen extracted from the air. An alternative that is non-intrusive and possibly less expensive for monitoring these parameters is provided by air pressure sensors.Examine the viability of measuring oxygen purity and flow rate in an oxygen concentrator using air pressure sensors.\u003c/p\u003e\n\u003cp\u003eCreate a system to track these variables in real time using an air pressure sensor and an Arduino microcontroller. Enhance the functionality of portable oxygen concentrators by making sure that oxygen is delivered precisely. Provide an affordable, non-intrusive method for measuring airflow in a variety of contexts, such as industrial, medical, and environmental ones.\u003c/p\u003e\n\u003ch3\u003eResults\u003c/h3\u003e\n\u003cp\u003eWith their precise measurement of flow rate, pressure, and indirectly purity, they offer useful information for the device\u0026apos;s monitoring, modifying, and troubleshooting. Oxygen therapy will be increasingly dependable and successful as long as sensors continue to improve in accuracy and ease of integration. Current oxygen concentrators can be easily modified to accommodate the addition of airflow sensors, making them a practical and affordable solution. According to the study, integrated sensor data collection yields extremely accurate and dependable results when compared to current calibration techniques. Opportunities to monitor and maybe optimize oxygen therapy arise when an Arduino is connected to a portable oxygen concentrator (POC) and an air pressure sensor. \u0026nbsp;The suggested technique can be used to track airflow in a variety of contexts, such as industrial processes, healthcare facilities, and environmental environments. The study provides important information for medical practitioners by demonstrating the feasibility of monitoring patient respiratory parameters during oxygen therapy.\u003c/p\u003e\n\n\u003ch3\u003eConclusions\u003c/h3\u003e\n\u003cp\u003eAir pressure sensors provide precise, economical, and non-intrusive monitoring. Technological developments will raise the accuracy and integration of sensors, increasing the efficacy of therapy. Airflow measurement is made convenient by the easy addition of sensors to current models. When compared to current techniques, sensor data exhibits excellent accuracy, which facilitates improved troubleshooting and optimization. There are opportunities for monitoring and even optimizing therapy when sensors are connected to an Arduino. Broader uses for this technique include monitoring industrial operations and respiratory parameters in patients. An early identification of problems and improved management of oxygen therapy could result from more precise monitoring. Reusable, non-intrusive sensors may cut down on waste and the expense of calibration. More people may be able to receive oxygen treatment if monitoring is made easier. The monitoring technique could be modified for use in a variety of industries where exact airflow control is necessary.\u003c/p\u003e\n"},{"header":"1. Background","content":"\u003cp\u003eOxygen concentrators are medical devices that extract air form the room, separate the oxygen from other gases present, and deliver oxygen to the patient. It is efficient and reliable, providing a oxygen for many individuals. Oxygen concentrators can provide a continuous supply of oxygen without the need for refills or replacement tanks, making them convenient for long term use. Oxygen tanks, which require storage space and regular replacement, eliminate the need for the storage and handling of compressed oxygen gas. These systems require minimum maintenance compared to oxygen delivery systems, regular cleaning and filter replacement.\u003c/p\u003e\n\u003cp\u003e[1]Lithium-based 13Xzeolite and sodium-based13Xzeolite are utilized in various sizes to create oxygen. The oxygen purity, flow rate, and pressure were confirmed analytically and quantitatively. [\u003cspan class=\"CitationRef\"\u003e2\u003c/span\u003e] This study used an oxygen concentrator to meet patients\u0026apos; oxygen therapy needs by determining the appropriate timing of gate valve opening/closing. [\u003cspan class=\"CitationRef\"\u003e3\u003c/span\u003e] Nanotechnology enables efficient synthesis of oxygen through oxygen concentrators. Np\u0026rsquo;s, which are typically under 100 nm in size, have a high surface area-to-volume ratio, making them effective oxygen adsorbents. [\u003cspan class=\"CitationRef\"\u003e4\u003c/span\u003e] Nanozeolites replaced molecular zeolites in oxygen concentrators to improve oxygen delivery efficiency. [\u003cspan class=\"CitationRef\"\u003e5\u003c/span\u003e] This article examined green-resilient-responsive elements, including economic, environmental, and resilience aspects, to construct an oxygen concentrator supply chain network.[\u003cspan class=\"CitationRef\"\u003e6\u003c/span\u003e] This work investigated a medical oxygen concentrator device using rapid pressure swing adsorption for continuous oxygen supply. LiLSX zeolite was utilized to separate oxygen from compressed ambient air. The device\u0026apos;s performance was also evaluated utilizing a medium-sized air compressor on its own. An oxygen product purity of 90% was produced. [\u003cspan class=\"CitationRef\"\u003e7\u003c/span\u003e] This paper discusses the synthesis of zeolite from waste materials for the medical field of oxygen concentrators.This study evaluated low-cost waste materials, including aluminum and silicon, for the manufacture of zeolitesX (NaX) used in medical oxygen concentrator design. [\u003cspan class=\"CitationRef\"\u003e8\u003c/span\u003e] This research demonstrated that using silica gel in oxygen concentrators results in greater purity. [\u003cspan class=\"CitationRef\"\u003e9\u003c/span\u003e] This paper examined thermodynamic models for optimizing PSA oxygen generator mass, energy, momentum, and adsorption equilibrium. The LDF equation mathematical model was evaluated. [\u003cspan class=\"CitationRef\"\u003e10\u003c/span\u003e] This study demonstrated that integrating oxygen concentrators with an IoT system enables monitoring between device users. [\u003cspan class=\"CitationRef\"\u003e11\u003c/span\u003e] This research demonstrated the use of CPAP machines for non-invasive lung ventilation with full-face masks.A portable pressure chamber and oxygen concentrator were used and evaluated. [\u003cspan class=\"CitationRef\"\u003e12\u003c/span\u003e] Comparison and analysis of portable oxygen concentrators and inspired oxygen levels using a COPD patient simulation model. [\u003cspan class=\"CitationRef\"\u003e13\u003c/span\u003e] This work presents a mathematical model of the rapid-cycle PSA process that was investigated. An optimal performance with high oxygen productivity is attained. [\u003cspan class=\"CitationRef\"\u003e14\u003c/span\u003e] An innovative technique for remotely controlling the flow rate is proposed. Patient control and safety were improved. [\u003cspan class=\"CitationRef\"\u003e15\u003c/span\u003e] This research suggests the use of pressure swing absorption technology to identify probable risks and breakdowns in medical oxygen delivery systems, combining the strengths of HAZOP and intuitive fuzzy logic. [\u003cspan class=\"CitationRef\"\u003e16\u003c/span\u003e] A portable oxygen concentrator with continuous and pulse-flow oxygen was used for analysis.The volume-averaged FIO2 recorded at the trachea was also examined. [\u003cspan class=\"CitationRef\"\u003e17\u003c/span\u003e] This work proposes quantifying the efficiency and purity of pressure swing adsorption in producing oxygen vs alternative approaches. [\u003cspan class=\"CitationRef\"\u003e18\u003c/span\u003e] A study was conducted on an intelligent system that automatically adjusts oxygen delivery based on patient needs and respiratory conditions. [\u003cspan class=\"CitationRef\"\u003e19\u003c/span\u003e] Respiratory support treatment involves the use of a bubble-like mask to provide mild positive pressure to the airway, resulting in improved lung expansion and oxygenation. [\u003cspan class=\"CitationRef\"\u003e20\u003c/span\u003e] Increased oxygenation, reduced hospital re admissions, and increased patient satisfaction were reported. [\u003cspan class=\"CitationRef\"\u003e21\u003c/span\u003e] A novel approach for affordable respiratory support using a blower-powered mechanical ventilation system was examined. [\u003cspan class=\"CitationRef\"\u003e22\u003c/span\u003e] A study employed natural zeolites as an alternative to synthetic adsorbents to assess the efficiency and purity of oxygen generation from air using PVSA technology. [\u003cspan class=\"CitationRef\"\u003e23\u003c/span\u003e] In term of the flow rates and oxygen concentration capabilities of oxygen concentrators, ventilator capabilities, and three-way connector types were examined. [\u003cspan class=\"CitationRef\"\u003e24\u003c/span\u003e] The quadrupolar interaction of zeolite with nitrogen molecules allows for pressure swing adsorption (PSA) technology in portable medical oxygen concentrators. [\u003cspan class=\"CitationRef\"\u003e25\u003c/span\u003e] To evaluate the possibility of an electrochemical oxygen pump using a solid polymer electrolyte.(SPE) is a potential device for efficient and portable oxygen synthesis, as stated. [\u003cspan class=\"CitationRef\"\u003e26\u003c/span\u003e] This study provides crucial evidence for enhancing health systems in low- and middle-income nations experiencing oxygen shortages. A probability proportional to size (PPS) sampling survey was performed on 450 health facilities across 21 Indian states.[\u003cspan class=\"CitationRef\"\u003e27\u003c/span\u003e] Oxygen concentrators (OCs) may be a viable alternative to traditional oxygen cylinders for improving access to oxygen in poor and middle-income countries. [\u003cspan class=\"CitationRef\"\u003e28\u003c/span\u003e] Although portable oxygen concentrators (POCs) are effective under many conditions, there are questions about their efficacy during sleep (shallow breathing) and exercise (rapid respiration rates).[\u003cspan class=\"CitationRef\"\u003e29\u003c/span\u003e] This study compared the effects of two zeolite adsorbents, 13Xzeolite and a combination of 13X and Bayah zeolite (13X\u0026thinsp;+\u0026thinsp;ZAB), on the quality of oxygen produced using Pressure Swing Adsorption (PSA). [\u003cspan class=\"CitationRef\"\u003e30\u003c/span\u003e] Designing and optimizing adaptable single-bed MOC systems with simulation-based optimization for PSA and PVSA technologies. [\u003cspan class=\"CitationRef\"\u003e31\u003c/span\u003e] Developing portable oxygen concentrator\u0026rsquo;s for individuals with respiratory problems that are practical and efficient.The usage of a simplified PVSA cycle and nano sized zeolite adsorbent was explored.[\u003cspan class=\"CitationRef\"\u003e32\u003c/span\u003e] This research aims to enhance the performance of tiny adsorption-type oxygen concentrator\u0026rsquo;s using two zeolites. Develop and validate an analytical method for gas flow and temperature distribution in columns ranging from 15 to 30 cm in length was developed and validated.[\u003cspan class=\"CitationRef\"\u003e33\u003c/span\u003e] This article explores the design of a portable medical device oxygen concentrator employing pressure swing adsorption (PSA) technology. Using LiXzeolite in the PSA system provides a viable solution for efficient oxygen production in a compact and portable architecture. [\u003cspan class=\"CitationRef\"\u003e34\u003c/span\u003e] This research aims to promote the use of portable and hospital oxygen concentrator\u0026rsquo;s that use Na-Xzeolites to deliver continuous oxygen flow to patients with respiratory demands. [\u003cspan class=\"CitationRef\"\u003e35\u003c/span\u003e] The PSA equipment and procedures should be optimized to increase the efficiency and use zeolite to maximize oxygen production capability. [\u003cspan class=\"CitationRef\"\u003e36\u003c/span\u003e] Study the impact of zeolite size, mass, and type on oxygen purity in an oxygen concentrator using the Pressure Swing Adsorption (PSA) method.Analyze and analyze data to identify optimal settings for maximizing oxygen purity. [\u003cspan class=\"CitationRef\"\u003e37\u003c/span\u003e] The goal is to develop and analyzed 3D printed zeolite monoliths as an acceptable replacement for topelletized zeolite in oxygen concentrator\u0026rsquo;s in low-resource environments. [\u003cspan class=\"CitationRef\"\u003e38\u003c/span\u003e] Assess the feasibility of employing waste materials, specifically coal fly ash, for low-cost, sustainable zeoliteX (NaX) synthesis in African countries. The goal is to enable the development of affordable and accessible oxygen concentrators for practical application. [\u003cspan class=\"CitationRef\"\u003e39\u003c/span\u003e] Evaluate the possibility of nano zeolites as a replacement for conventional molecules.Zeolites can improve oxygen yield and efficiency in oxygen concentrators, leading to better patient care and access to medical-grade oxygen. [\u003cspan class=\"CitationRef\"\u003e40\u003c/span\u003e] Investigate the use of silica gel as an alternate filtration medium in portable oxygen concentrators to increase oxygen purity compared to regular synthetic zeolite. [\u003cspan class=\"CitationRef\"\u003e41\u003c/span\u003e] Examine the effectiveness of the Excavation process in enhancing oxygen concentrator performance versus the commonly used pressure swing adsorption technology. [\u003cspan class=\"CitationRef\"\u003e42\u003c/span\u003e] This research attempts to find the ideal flow rate for maximizing oxygen purity for both Zeolite13X and a combination of Zeolite13X and Zeolite Alam Bayah adsorbents.\u003c/p\u003e\n\u003cp\u003eThe component of air is shown in Fig. \u003cspan class=\"InternalRef\"\u003e1\u003c/span\u003e.The Earth\u0026apos;s atmosphere is made up of a gas mixture known as air. Nitrogen comprises 78% of this gas, and includes oxygen (21%), water vapor (variable), argon (0.9%), carbon dioxide (0.04%), and trace gases. Air pressure refers to the force that air exerts on objects. All the air in the atmosphere presses on the ground due to its magnetic attraction force.\u003c/p\u003e\n\u003cp\u003eA pressure Swing Adsorption (PSA) oxygen concentrator is a device that increases the oxygen concentration in the surrounding air by selectively adsorbing nitrogen molecules using zeolite, a particular material that has a strong affinity for nitrogen. A summary of the schematics and descriptions is shown in Fig.\u0026nbsp;\u003cspan class=\"InternalRef\"\u003e2\u003c/span\u003e.\u003c/p\u003e\n\u003cdiv id=\"Sec2\" class=\"Section2\"\u003e\n \u003ch2\u003e1.1 Compressed air\u003c/h2\u003e\n \u003cp\u003eThe system first draws in ambient air, which is compressed by a pump.This raises the pressure of all the gas components in the air, including oxygen and nitrogen.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec3\" class=\"Section2\"\u003e\n \u003ch2\u003e1.2 Zeolite beds\u003c/h2\u003e\n \u003cp\u003eCompressed air moves through two compartments containing zeolite.Zeolite serves as a molecular sieve, selectively adsorbing gas molecules based on size and affinity.Zeolite has a high affinity for nitrogen molecules, trapping them on its surface.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec4\" class=\"Section2\"\u003e\n \u003ch2\u003e1.3 Pressure swing\u003c/h2\u003e\n \u003cp\u003eThe \u0026quot;swing\u0026quot; portion involves reducing pressure in one of the zeolite beds.This allows previously adsorbed nitrogen molecules to desorb (re-release) from the zeolite, while oxygen molecules, which are not strongly attracted to the zeolite, remain unaffected.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec5\" class=\"Section2\"\u003e\n \u003ch2\u003e1.4 Enriched oxygen\u003c/h2\u003e\n \u003cp\u003eThe remaining gas exiting this initial chamber is now much more oxygen than ambient air.After that, the enriched oxygen was collected and provided to the patient.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec6\" class=\"Section2\"\u003e\n \u003ch2\u003e1.5 Regeneration\u003c/h2\u003e\n \u003cp\u003eWhile one zeolite bed releases nitrogen, the other is still under high pressure, adsorbing nitrogen from the entering compressed air.This cycle of adsorption and desorption rotates between the two beds indefinitely, guaranteeing a steady supply of enriched oxygen.\u003c/p\u003e\n\u003c/div\u003e"},{"header":"2. Materials and Methods","content":"\u003cp\u003e[\u003cspan class=\"CitationRef\"\u003e43\u003c/span\u003e] The best parameters for increasing oxygen and nitrogen purity were determined in a pressure swing adsorption (PSA) unit with activated alumina as the adsorbent. [\u003cspan class=\"CitationRef\"\u003e44\u003c/span\u003e] The goal is to create a portable, inexpensive, and effective oxygen concentrator prototype to solve the crucial issue of oxygen access in various circumstances. [\u003cspan class=\"CitationRef\"\u003e45\u003c/span\u003e] Identify and assess additional NOx reduction techniques for further optimization and possible synergy. [\u003cspan class=\"CitationRef\"\u003e46\u003c/span\u003e] Developed and validated a cost-effective, high-performance oxygen concentrator for patients with COPD using pressure swing adsorption (PSA) technology. [\u003cspan class=\"CitationRef\"\u003e47\u003c/span\u003e] Create and evaluate a heat and mass transfer model for rapid-cycle pressure swing adsorption (PSA) air separation with tiny LiLS.X zeolite particles are used to optimize the process for higher oxygen purity, recovery, and productivity. [\u003cspan class=\"CitationRef\"\u003e48\u003c/span\u003e] Pressure swing adsorption (PSA) technology has been investigated and promoted as a competitive and versatile method for producing high-purity oxygen that meets both environmental and industrial objectives. [\u003cspan class=\"CitationRef\"\u003e49\u003c/span\u003e] Developed and promoted a medical device using Pressure Swing Adsorption (PSA) technology for point-of-care oxygen therapy in various settings. This addresses the growing demand and resource constraints caused by the COVID-19 pandemic and limited access to oxygen in developing countries. [\u003cspan class=\"CitationRef\"\u003e50\u003c/span\u003e] To meet the important demand for accessible and cheap medical oxygen therapy in Jordan, we developed a locally produced and configurable concentrator using a sustainable and efficient approach.\u003c/p\u003e\n\u003cp\u003ePressure swing adsorption (PSA) is a versatile process that separates gas mixtures such as air into different components, as illustrated in the Fig.\u0026nbsp;\u003cspan class=\"InternalRef\"\u003e3\u003c/span\u003e\u003c/p\u003e\n\u003cdiv id=\"Sec8\" class=\"Section2\"\u003e\n \u003ch2\u003e2.1 Adsorption\u003c/h2\u003e\n \u003cp\u003eA pressured gas mixture passes through an adsorbent-containing column. Gas molecules with a higher affinity for the adsorbent will adhere to its surface, whereas the less strongly attracted molecules will travel through the column and escape as product gases.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec9\" class=\"Section2\"\u003e\n \u003ch2\u003e2.2 Depressurization\u003c/h2\u003e\n \u003cp\u003eWhen the adsorbent bed is nearly saturated with the required gas, the pressure in the column decreases. This causes the adsorbed gas molecules to desorb from the adsorbent and pass through the column as the purified product.\u003c/p\u003e\n \u003ch2\u003e2.3 Regeneration\u003c/h2\u003e\n \u003cp\u003eTo prepare the adsorbent bed for another cycle, it is purged with a purge gas, such as air or another inert gas, at low pressure. This removes any remaining adsorbed molecules from the bed and prepares it for the next adsorption cycle.\u003c/p\u003e\n\u003c/div\u003e"},{"header":"3. Methodology","content":"\u003cdiv id=\"Sec12\" class=\"Section2\"\u003e\n \u003ch2\u003e3.1 Compressor\u003c/h2\u003eFigure\u0026nbsp;\u003cspan class=\"InternalRef\"\u003e3\u003c/span\u003e. shows that the compressor is the heart of an oxygen concentrator, and is responsible for sucking in air, pressurizing it, and feeding it into the sieve beds.The compressor begins by sucking in ambient air from the surrounding area via an air filter. This filter eliminates dust, pollen, and other airborne particles that can harm internal components or disrupt the oxygen separation process.Once the air enters the compressor, it is swiftly compressed by a succession of pistons or diaphragms. This dramatically increases the pressure of the air, generally reaching 2\u0026ndash;3 times that of the surrounding atmosphere. The compression process generates heat, which can damage the compressor and reduce oxygen concentration efficiency. To avoid this, oxygen concentrators use cooling devices such as fans or heat exchangers to disperse generated heat and maintain proper operating temperatures.The compressed air then exits the compressor and is routed to the sieve beds, which are the main components responsible for separating oxygen from nitrogen. This compressed air is the driving force behind the separation process within the sieve beds.\n\u003c/div\u003e\n\u003cdiv id=\"Sec13\" class=\"Section2\"\u003e\n \u003ch2\u003e3.2 Exchange Valve\u003c/h2\u003e\n \u003cp\u003eThe valve works in tandem with two independent zeolite sieve beds that contain a unique substance capable of selectively adsorbing nitrogen molecules from the air.During the adsorption phase, the valve directs compressed air from the compressor to one of the sieve beds. The zeolite substance in this bed traps nitrogen molecules, allowing oxygen-rich air to pass through and reach the patient.During the desorption phase, the valve switches positions, isolating the filled sieve bed and directing compressed air to the other bed. This produces a pressure difference that aids in the release of adsorbed nitrogen molecules from the previous full bed, preparing it for the next adsorption cycle.The alternating flow of air between the two sieve beds is controlled by the exchange valve, which allows for continuous oxygen production by the concentrator.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec14\" class=\"Section2\"\u003e\n \u003ch2\u003e3.3 Combination Valve\u003c/h2\u003e\n \u003cp\u003eDuring adsorption, direct compressed air is added to the chamber containing the zeolite material for nitrogen adsorption. During desorption, open separate ports are opened to generate a pressure difference within the chamber, allowing the adsorbed nitrogen molecules to be released and the bed to be prepared for the next sorption cycle.The primary exchange valve would still controlled the flow of air between the two sieve beds during the adsorption and desorption stages. When the oxygen pressure reaches a specific level, the integrated bypass valve opens, allowing some of the enhanced air to bypass the sieve beds and continue to flow to the patient.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec15\" class=\"Section2\"\u003e\n \u003ch2\u003e3.4 Pressure regulator\u003c/h2\u003e\n \u003cp\u003eThe concentrator generates oxygen-rich air at a pressure higher than atmospheric pressure.The pressure regulator functions as a buffer, controlling the flow of oxygen to keep the pressure constant despite changing demand. This provides constant and uninterrupted oxygen delivery.The pressure regulator lowers this pressure to a safe and comfortable level for the patient.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec16\" class=\"Section2\"\u003e\n \u003ch2\u003e3.5 Air tank\u003c/h2\u003e\n \u003cp\u003eAn air tank is prefilled with compressed air or medical-grade oxygen. This stored oxygen, provides a limited supply until the tank needs to be refilled.Air tanks may deliver oxygen at higher flow rates than conventional oxygen concentrator\u0026rsquo;s, making them ideal for emergency situations or for individuals with high oxygen requirements. oxygen concentrators are often, large and require an electrical outlet to function, hence they are best suited for home or stationary use\u003c/p\u003e\n \u003cp\u003eFigure \u003cspan class=\"InternalRef\"\u003e4\u003c/span\u003e. \u003cem\u003eSchematics of the proposed PSA Oxygen concentrator\u003c/em\u003e\u003c/p\u003e\n\u003c/div\u003e"},{"header":"4. Purpose","content":"\u003cp\u003eThe goal is to develop a modular and user-friendly device that improves the safety and comfort of oxygen therapy while simultaneously providing important health monitoring capabilities.\u003c/p\u003e\n\u003cdiv id=\"Sec18\" class=\"Section2\"\u003e\n \u003ch2\u003e4.1 Portable Oxygen generation\u003c/h2\u003e\n \u003cp\u003eThe concentrator extracts oxygen from the surrounding air using pressure swing adsorption (PSA) technology, ensuring a consistent supply of oxygen for the user.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec19\" class=\"Section2\"\u003e\n \u003ch2\u003e4.2 Health monitoring\u003c/h2\u003e\n \u003cp\u003eAn HX710B air Pressure Sensor is used to monitor a user\u0026apos;s health parameters, such as respiratory rate or lung function, by monitoring air pressure in the user\u0026apos;s surroundings or within the respiratory system.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec20\" class=\"Section2\"\u003e\n \u003ch2\u003e4.3 Safety enhancement\u003c/h2\u003e\n \u003cp\u003eReal-time health monitoring can help assure the user safety during oxygen therapy by enabling for fast action if any adverse health events occur.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec21\" class=\"Section2\"\u003e\n \u003ch2\u003e4.4 Convenience\u003c/h2\u003e\n \u003cp\u003eBy combining oxygen generation and health monitoring into a single portable device, users may receive oxygen therapy and health monitoring wherever they go, eliminating the need for several pieces of equipment.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec22\" class=\"Section2\"\u003e\n \u003ch2\u003e4.5 Data Collection\u003c/h2\u003e\n \u003cp\u003eDevices may gather data over time, and can then be analyzed or used to provide insights into the users\u0026rsquo; health trends.\u003c/p\u003e\n\u003c/div\u003e"},{"header":"5. Practical Implications","content":"\u003cp\u003eThe practical implications of health monitoring in POCs are encouraging, but successful adoption necessitates collaboration among technology developers, healthcare providers, and regulatory organizations. To maximize the benefits for patients and healthcare systems, it will be necessary to address the problems described above and ensure the ethical and responsible use of ML algorithms.\u003c/p\u003e"},{"header":"6. Research Limitations","content":"\u003cdiv id=\"Sec25\" class=\"Section2\"\u003e\n \u003ch2\u003e6.1 Data privacy and security\u003c/h2\u003e\n \u003cp\u003eHealth monitoring devices collect sensitive personal information. Ensuring the privacy and security of sensitive data is critical, and may necessitate additional precautions to comply with data protection rules.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec26\" class=\"Section2\"\u003e\n \u003ch2\u003e6.2 Clinical Validation\u003c/h2\u003e\n \u003cp\u003eIf the device is intended for medical use, clinical trials or studies to validate its efficacy and safety may be needed, which can be time-consuming and costly.\u003c/p\u003e\n \u003ch2\u003e6.3 Environmental Considerations\u003c/h2\u003e\n \u003cp\u003eCreating a portable device brings about concerns regarding its environmental impact, including energy consumption, materials consumption, and end-of-life disposal.\u003c/p\u003e\n\u003c/div\u003e"},{"header":"7. Originality","content":"\u003cdiv id=\"Sec29\" class=\"Section2\"\u003e\n \u003ch2\u003e7.1 Potential for Personalized Therapy\u003c/h2\u003eThe combination of oxygen concentration and health monitoring could allow for personalized therapy depending on the user\u0026apos;s specific needs and health status, increasing the efficacy of oxygen treatment.\n\u003c/div\u003e\n\u003cdiv id=\"Sec30\" class=\"Section2\"\u003e\n \u003ch2\u003e7.2 Compact and portable design\u003c/h2\u003e\n \u003cp\u003eThe integration of these technologies into a single portable device is revolutionary in and of itself. This design provides increased mobility and convenience for individuals who need oxygen therapy while on the go.\u003c/p\u003e\n\u003c/div\u003e\n\u003cdiv id=\"Sec31\" class=\"Section2\"\u003e\n \u003ch2\u003e7.3 Integrated Health Monitoring\u003c/h2\u003e\n \u003cp\u003eAlthough POCs are routinely used for oxygen therapy, the use of an HX710B air pressure sensor for health monitoring is uncommon. This integration enables real-time monitoring of the user\u0026apos;s health parameters, resulting in a more complete approach to patient treatment.\u003c/p\u003e\n \u003cp\u003eTable \u003cspan class=\"InternalRef\"\u003e2\u003c/span\u003e shows the trade-offs between traditional and portable oxygen concentrators, with each kind suited for particular use cases and locations based on considerations such as mobility, power source availability, and user preferences.\u0026nbsp;\u003c/p\u003e\u0026nbsp;\u003ctable id=\"Tab1\" border=\"1\"\u003e\n \u003ccaption language=\"En\"\u003e\n \u003cdiv class=\"CaptionNumber\"\u003eTable 2\u003c/div\u003e\n \u003cdiv class=\"CaptionContent\"\u003e\n \u003cp\u003e\u003cem\u003eComparison of different features. Measurements of Oxygen Concentrator Technology, Materials, Capacity, Size, and Applications\u003c/em\u003e\u003c/p\u003e\n \u003c/div\u003e\n \u003c/caption\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth align=\"left\"\u003eReference\u003cbr\u003e\u003c/th\u003e\n \u003cth align=\"left\"\u003eMedical Device\u003cbr\u003e\u003c/th\u003e\n \u003cth align=\"left\"\u003eTechnology Implemented\u003cbr\u003e\u003c/th\u003e\n \u003cth align=\"left\"\u003eType of Capacity\u003cbr\u003e\u003c/th\u003e\n \u003cth align=\"left\"\u003eType of Material\u003cbr\u003e\u003c/th\u003e\n \u003cth align=\"left\"\u003eApplications\u003cbr\u003e\u003c/th\u003e\n \u003c/tr\u003e\n \u003c/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e1\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eOxygen Concentrator\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e10 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eAluminia and zeolite\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eHome / Hospital\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e2\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eOxygen Concentrator\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e5 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eZeolite\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eHome/ Hospital\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e3\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eOxygen Concentrator\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e5 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e5A zeolite\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eHome/ Hospital\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e4\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eOxygen Concentrator / PSO Algorithm\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e5 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eZeolite\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eHospital\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e6\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eSingle bed Concentrator\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eRPSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e10 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eLiLSX zeolite\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eMilitary medical camps and cruise ships\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e7\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eOxygen Concentrator\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e1 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eCoal Fly Ash, Rice Husk Ash\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eResearch Purpose\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e8\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePortable Oxygen Concentrator\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e1 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eSilica gel\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eHospital\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e9\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eOxygen Generators\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e10 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eZeolite\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eHospital\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e11\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eOxygen Concentrator CPAP automatic devices\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e5 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e-\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eHospital\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e20\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eOne bed Concentrator\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e5 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eZeolite 13X\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eHospital\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e23\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eOxygen Generators / Three-way connector\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e5 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eZeolite\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eHome / Hospital\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e24\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePortable Oxygen Concentrator\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e-\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eLi-13X 5A, Zeolite\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eHome\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e25\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eOxygen Concentrator (oxygen pump)\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e-\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eNano structural Catalysts\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eResearch Purpose\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e[\u003cspan class=\"CitationRef\"\u003e31\u003c/span\u003e]\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePortable Oxygen Concentrator\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePVSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e1 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eNano size zeolite\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eHome / Hospital\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003eProposed Method\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePortable Oxygen Concentrator\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003ePSA\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e1\u0026ndash;7 LPM\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eZeolite\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003eHome care\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003c/tbody\u003e\n \u003c/table\u003e\n \u003cp\u003e\u003c/p\u003e\n\u003c/div\u003e"},{"header":"8.The proposed prototype","content":"\u003cp\u003eoxygen concentrators are medical devices that capture oxygen from the surrounding air and provide oxygen to patients who need supplemental oxygen therapy. Monitoring and enhancing patient functioning are critical for ensuring patient safety and providing the appropriate amount of oxygen. Air pressure sensors play an important role in this process since they provide data on several elements of the concentrator\u0026apos;s performance.\u003c/p\u003e\n\u003cp\u003e\u003c/p\u003e\n\u003ch2\u003e8.1 Flow rate\u003c/h2\u003e\n\u003cp\u003eAir pressure sensors can be used to determine the rate of oxygen delivery to the patients.This approach is necessary to ensure that the patient obtains the appropriate amount of oxygen.\u003c/p\u003e\n\u003cp\u003e\u003c/p\u003e\n\u003cdiv id=\"Sec34\" class=\"Section2\"\u003e\n \u003ch2\u003e8.2 Pressure\u003c/h2\u003eSensors can monitor pressure within concentrator internal components, including PSA beds, This data aids in detecting potential blockages or leaks that could impair performance.\n\u003c/div\u003e\n\u003cdiv id=\"Sec35\" class=\"Section2\"\u003e\n \u003ch2\u003e8.3 Purity\u003c/h2\u003eAir pressure sensors can indirectly determine oxygen purity by monitoring the pressure difference between ambient air and concentrated oxygen stream.\u003cbr\u003eFigure \u003cspan class=\"InternalRef\"\u003e5\u003c/span\u003e shows that an air pressure sensor module is a tiny device that detects the pressure of the air surrounding it. They are employed in a broad range of applications. The concentrator settings were adjusted based on the detected flow rate to ensure that patients received the prescribed amount of oxygen.Air pressure sensors are utilized in several medical devices.\u003cp\u003eThe sensor module features a high linearity pressure sensor and a low-power, 24-bit apparent diffusion coefficient ADC with factory-calibrated coefficients. The device offers accurate 24-bit digital pressure and temperature readings, as well as customizable operation modes to optimize the conversion speed and current usage.\u0026nbsp;\u003c/p\u003e\u0026nbsp;\u003ctable id=\"Tab2\" border=\"1\"\u003e\n \u003ccaption language=\"En\"\u003e\n \u003cdiv class=\"CaptionNumber\"\u003eTable 1\u003c/div\u003e\n \u003cdiv class=\"CaptionContent\"\u003e\n \u003cp\u003e\u003cem\u003eProduct Specifications\u003c/em\u003e\u003c/p\u003e\n \u003c/div\u003e\n \u003c/caption\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth align=\"left\"\u003eInterface Type\u003cbr\u003e\u003c/th\u003e\n \u003cth align=\"left\"\u003eSerial\u003cbr\u003e\u003c/th\u003e\n \u003c/tr\u003e\n \u003c/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003eData Output Rate\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e10 SPS / 80SPS\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003eMax. Operating Current (mA)\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e1.5\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003eOperating Temperature Range (\u0026deg;C)\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e-40 to 85\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003eIC Package\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e16 Pin SOP\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003eGain\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e32 / 64 / 128\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003eLength (mm)\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e18\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003eWidth (mm)\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e17\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003eHeight (mm)\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e2\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003eWeight (gm)\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e2\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003eWeight\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e0.005 kg\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003eDimensions\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"left\"\u003e5 \u0026times; 5 \u0026times; 2 cm\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003c/tbody\u003e\n \u003c/table\u003eTable \u003cspan class=\"InternalRef\"\u003e1\u003c/span\u003e Shows that HX710B air pressure sensor module is an excellent solution for models that require precise and consistent measurements of low-pressure ranges. Its adaptability, compact size, and low power consumption.\u003cbr\u003e\n \u003cp\u003eFigure \u003cspan class=\"InternalRef\"\u003e4\u003c/span\u003e.This diagram depicts the basic connections between the oxygen concentrator and its important components. The concentrator was placed into a power outlet.The filter eliminates dust and particulates from the surrounding air, A unit that compresses the surrounding air. Chambers containing zeolite material that separates oxygen and nitrogen.The valve controls the flow of air between the sieve beds. The output pressure of oxygen-rich air is controlled. A connection point for the nasal cannula or other oxygen delivery equipment.\u003c/p\u003e\n \u003cp\u003e\u003cem\u003eConnection to the Arduino Controller\u003c/em\u003e\u003c/p\u003e\n \u003cp\u003eFigure \u003cspan class=\"InternalRef\"\u003e6\u003c/span\u003e. \u003cem\u003eInterfacing Portable Oxygen concentrator and air pressure sensor with Arduino Controller\u003c/em\u003e\u003c/p\u003e\n \u003cp\u003eFigure \u003cspan class=\"InternalRef\"\u003e6\u003c/span\u003e. Shows Connecting the portable oxygen concentrator (POC) and an air pressure sensor (HX710B) to an Arduino controller is an intriguing and potentially powerful model for monitoring and regulating parts of oxygen therapy. \u0026nbsp;\u003c/p\u003e\n \u003ctable id=\"Tab3\" border=\"1\"\u003e\n \u003ccaption language=\"En\"\u003e\n \u003cdiv class=\"CaptionNumber\"\u003eTable 2\u003c/div\u003e\n \u003cdiv class=\"CaptionContent\"\u003e\n \u003cp\u003e\u003cem\u003eFlow vs Purity\u003c/em\u003e\u003c/p\u003e\n \u003c/div\u003e\n \u003c/caption\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth align=\"left\"\u003eFlow (LPM)\u003cbr\u003e\u003c/th\u003e\n \u003cth align=\"left\"\u003ePurity (%)\u003cbr\u003e\u003c/th\u003e\n \u003c/tr\u003e\n \u003c/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e93\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e2\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e78\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e3\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e65\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e4\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e55\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e5\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e50\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e6\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e45\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e7\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e35\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003c/tbody\u003e\n \u003c/table\u003e\n \u003cp\u003e\u003c/p\u003e\u003cbr\u003e\n \u003cp\u003eTable \u003cspan class=\"InternalRef\"\u003e2\u003c/span\u003e shows the oxygen concentrator\u0026apos;s output flow and purity are tabulated. To understand the performance of an oxygen concentrator, it is important to consider the flow rate and purity of the produced Oxygen.\u003c/p\u003e\n \u003cp\u003eFigure \u003cspan class=\"InternalRef\"\u003e6\u003c/span\u003e shows a graph of the experimental findings for flow rate vs purity revealing the relationship between these two variables. A common experiment involves adjusting the flow rate and determining the purity of the produced oxygen . \u0026nbsp;\u003c/p\u003e\n \u003ctable id=\"Tab4\" border=\"1\"\u003e\n \u003ccaption language=\"En\"\u003e\n \u003cdiv class=\"CaptionNumber\"\u003eTable 3\u003c/div\u003e\n \u003cdiv class=\"CaptionContent\"\u003e\n \u003cp\u003e\u003cem\u003eFlow vs air output pressure\u003c/em\u003e\u003c/p\u003e\n \u003c/div\u003e\n \u003c/caption\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth align=\"left\"\u003eFlow (LPM)\u003cbr\u003e\u003c/th\u003e\n \u003cth align=\"left\"\u003eAir output Pressure (KPa) (Maximum)\u003cbr\u003e\u003c/th\u003e\n \u003cth align=\"left\"\u003eAir output Pressure\u003cbr\u003e(KPa) (Minimum)\u003cbr\u003e\u003c/th\u003e\n \u003c/tr\u003e\n \u003c/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.50\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.39\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e2\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.54\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.31\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e3\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.55\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.30\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e4\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.56\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.30\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e5\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.55\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.29\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e6\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.54\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.28\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e7\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.55\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.27\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003c/tbody\u003e\n \u003c/table\u003e\n \u003cp\u003e\u003c/p\u003e\n \u003cp\u003eTable \u003cspan class=\"InternalRef\"\u003e3\u003c/span\u003e shows the experimental results for the flow rate vs air output pressure, adjust the flow rate was adjusted on the concentrator and measure the associated air output pressure was measured.\u003c/p\u003e\n \u003cp\u003eFigure \u003cspan class=\"InternalRef\"\u003e8\u003c/span\u003e The graph shows the trial findings of an oxygen concentrator\u0026apos;s flow rate versus its air output pressure allowing us to see the device operates across various settings.\u003c/p\u003e\n\u003c/div\u003e"},{"header":"9.Mathematical calculation","content":"\u003ch3\u003e\u0026thinsp;Tidal volume / Inspiratory time\u003c/h3\u003e\n\u003cdiv class=\"Heading\"\u003e\u003cstrong\u003e1.Flow rate\u0026thinsp;=\u003c/strong\u003e\u0026thinsp;Tidal volume / Inspiratory time\u003c/div\u003e\n\u003cp\u003e\u003cstrong\u003eTidal volume\u0026thinsp;=\u0026thinsp;20 ml, Inspiratory time\u0026thinsp;=\u0026thinsp;1 sec\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eV\u0026rsquo;=20 ml / 1 sec\u0026thinsp;=\u0026thinsp;20 ml / seconds\u003c/p\u003e\n\u003cp\u003eV\u0026rsquo;=20*10^\u003csup\u003e\u0026minus;3\u003c/sup\u003e*60 Sec / 1 Minute\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003e=\u0026thinsp;1.2 Liter/ Minute\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003e\u0026thinsp;Tidal volume / Inspiratory Time\u003c/p\u003e\n\u003cdiv class=\"Heading\"\u003e\u003cstrong\u003e2. Flow rate\u0026thinsp;=\u003c/strong\u003e\u0026thinsp;Tidal volume / Inspiratory Time\u003c/div\u003e\n\u003cp\u003e\u003cstrong\u003eTidal volume\u0026thinsp;=\u0026thinsp;75 ml, Inspiratory time\u0026thinsp;=\u0026thinsp;1 sec\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eV\u0026rsquo;= 75 ml / 1 Sec\u0026thinsp;=\u0026thinsp;75 ml / seconds\u003c/p\u003e\n\u003cp\u003eV\u0026rsquo;=75*10^\u003csup\u003e\u0026minus;3\u003c/sup\u003e*60 Sec / 1 Minute\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003e=\u0026thinsp;4.5 Liter/ Minute\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eTable \u003cspan class=\"InternalRef\"\u003e2\u003c/span\u003e shows the table and graph of the experimental data for tidal volume, inspiratory time, and flow rate provide a clear picture of how these variables interact with one another and change under various conditions. These data are useful for determining respiratory function, improving ventilator settings, and assessing the efficacy of respiratory devices.\u003c/p\u003e\n\u003cp\u003e\u003c/p\u003e\u0026nbsp;\u003ctable id=\"Tab5\" border=\"1\"\u003e\n \u003ccaption language=\"En\"\u003e\n \u003cdiv class=\"CaptionNumber\"\u003eTable 4\u003c/div\u003e\n \u003cdiv class=\"CaptionContent\"\u003e\n \u003cp\u003e\u003cem\u003eFlow vs air output pressure\u003c/em\u003e\u003c/p\u003e\n \u003c/div\u003e\n \u003c/caption\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth align=\"left\"\u003eS.No\u003cbr\u003e\u003c/th\u003e\n \u003cth align=\"left\"\u003eTidal volume (ml)\u003cbr\u003e\u003c/th\u003e\n \u003cth align=\"left\"\u003eInspiratory time (Sec)\u003cbr\u003e\u003c/th\u003e\n \u003cth align=\"left\"\u003eFlow rate (Liter/Minute)\u003cbr\u003e\u003c/th\u003e\n \u003c/tr\u003e\n \u003c/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e10\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e0.6\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e2\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e15\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e0.9\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e3\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e20\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.2\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e4\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e25\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.5\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e5\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e30\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1.8\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e6\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e35\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e2.1\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e7\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e40\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e2.4\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e8\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e45\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e2.7\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e9\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e50\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e3.0\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e10\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e55\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e3.3\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e11\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e60\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e3.6\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e12\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e65\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e3.9\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e13\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e70\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e4.2\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e14\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e75\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e4.5\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e15\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e80\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e4.8\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e16\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e85\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e5.1\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e17\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e90\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e5.4\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e18\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e95\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e5.7\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e19\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e100\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e6.0\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e20\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e105\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e6.3\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e21\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e110\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e6.6\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003ctr\u003e\n \u003ctd align=\"left\"\u003e22\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e115\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e1\u003cbr\u003e\u003c/td\u003e\n \u003ctd align=\"char\"\u003e6.9\u003cbr\u003e\u003c/td\u003e\n \u003c/tr\u003e\n \u003c/tbody\u003e\n\u003c/table\u003e\n\u003cp\u003e\u003c/p\u003e\n\u003cp\u003eFigure \u003cspan class=\"InternalRef\"\u003e9\u003c/span\u003e shows the graphical relationship between tidal volume and flow rate in liters per minute (LPM). tidal volume and flow rate are connected, provides insights into the dynamics of airflow in respiratory systems as well as the functioning of associated medical equipment.\u003c/p\u003e"},{"header":"10.Results","content":"\u003cp\u003eThus the output for monitoring the air pressure of an with HX710B air pressure sensor module and using Arduino has been executed. The Portable Oxygen Concentrator utilizing Pressure Swing Adsorption with a HX710B Air Pressure Sensor for Health Monitoring has been completed. While technically viable, the model confronts substantial problems in sensor accuracy, safety, and adherence to medical device laws. The proposal is for indirect flow rate measurement utilizing pressure sensors and algorithm-based estimation.\u003c/p\u003e"},{"header":"11.Discussion","content":"\u003cp\u003eThis research investigated a complete health monitoring system that is utilized for monitoring of several health indicators of a patients. The proposed system is connected to be a power-efficient device via the use of an HX710B air pressure sensor. A health monitoring system, based on the Arduino UNO and portable oxygen concentrator was proposed. The flow rate, oxygen purity and air pressure parameters were calculated.\u003c/p\u003e"},{"header":"12.Comparison with similar works","content":"\u003cp\u003eThis device monitors the user's health, possible by detecting air pressure in the surrounding environment or within the user's respiratory system. portable oxygen concentrators (POCs) are devices used by people with respiratory problems to provide a consistent flow of oxygen. They are meant to be lightweight and portable, allowing consumers to continue their oxygen therapy while on the move. Pressure swing adsorption (PSA) is a typical technique used in oxygen concentrators to separate oxygen from air. This technique involves passing air through a substance (often a molecular sieve) that adsorbs nitrogen and other gases, allowing oxygen to flow through for collection.The HX710B is a precision 24-bit analog-to-digital converter (ADC) intended for weighing scales and industrial control applications. It is widely used to connect analog sensors, such as load cells or pressure sensors, to microcontrollers or other digital devices.\u003c/p\u003e"},{"header":"13.Conclusions","content":"\u003cp\u003eAir pressure sensors, which measure flow rate, pressure, and, indirectly, purity, provide valuable data for monitoring, adjusting, and troubleshooting, portable oxygen concentrators. As technology advances, sensor accuracy and integration are expected to improve, increasing the reliability and effectiveness of oxygen concentrator therapy. Airflow sensors can be effectively implemented in existing oxygen concentrator models with minor modifications, providing a convenient and accessible platform for airflow measurement, Compared to existing calibration methods, the airflow data gathered utilizing integrated sensors demonstrated high accuracy and reliability. Interfacing a POC and an air pressure sensor with an Arduino provides possibilities for monitoring and possibly optimizing oxygen therapy.The proposed method has the ability to monitor airflow in a wide range of applications. Patient respiratory parameters were monitored during oxygen therapy. Monitoring airflow in processes that require precise control.\u003c/p\u003e"},{"header":"14.Future Research Work","content":"\u003cp\u003eMachine learning algorithms for Predictive Health Monitoring are integrated into a portable oxygen concentrator with pressure swing adsorption and an HX710B air pressure sensor.The creation of a proof of concept (POC) using integrated machine learning (ML) algorithms for predictive health monitoring has enormous potential to improve patient care and quality of life. The combination of PSA technology for oxygen production, the HX710B air pressure sensor, and advanced machine learning analysis can result in a potent tool for managing respiratory problems.\u003c/p\u003e"},{"header":"Abbreviations","content":"\u003cp\u003ePOC \u0026nbsp; : \u0026nbsp;Portable oxygen concnetrator\u003c/p\u003e\n\u003cp\u003eCOPD: \u0026nbsp;Chronic obstructive pulmonary disease\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eLPM \u0026nbsp; : \u0026nbsp;Liters per minute\u003c/p\u003e\n\u003cp\u003eT\u003csub\u003ed \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp;\u0026nbsp;\u003c/sub\u003e: \u0026nbsp;Tidal volume\u003c/p\u003e\n\u003cp\u003eT\u003csub\u003ei \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp; \u0026nbsp;\u003c/sub\u003e: \u0026nbsp;Inspiratory Time\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003c/p\u003e"},{"header":"Declarations","content":"\u003cp\u003e\u003cstrong\u003eEthics approval and consent to participate\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u0026nbsp;\u003c/strong\u003eNot applicable\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003cstrong\u003eConsent for publication\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u0026nbsp;\u003c/strong\u003eNot applicable\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003cstrong\u003eAvailability of data and materials\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;Not applicable\u003c/p\u003e\n\u003cp\u003e\u003cem\u003e\u0026nbsp;\u003c/em\u003e\u003cstrong\u003eCompeting interests\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe authors declare that they have no competing interests\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003cstrong\u003eFunding\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;The authors would like to acknowledge the support provided by the Indian Council Medical Research for supporting this Research.\u0026nbsp;\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003cstrong\u003eAuthors\u0026apos; contributions\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u0026nbsp;\u003c/strong\u003eAll the authors have contributed equally to the study in terms of conceptualization, approach, software, validation, formal analysis, resource, writing and reviewing, and visualization.\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;\u003cstrong\u003eAcknowledgments\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u0026nbsp;\u003c/strong\u003e I want to sincerely thank Dr. J. Jayakumar and Dr. P. Subha hency jose for their early guidance. I want to express my gratitude to the technical staff in our division. This work was funded by Indian Council Medical Research provided assistance for this research, which the authors would like to recognize.\u003c/p\u003e\n\u003ch4\u003e\u0026nbsp;\u003cstrong\u003eAuthors\u0026apos; information\u003c/strong\u003e\u003c/h4\u003e\n\u003cp\u003e\u0026nbsp;Dr. Jayakumar Jayaraj, Division of Electrical and Electronics Engineering, Karunya Institute of \u0026nbsp;Technology and Sciences, Coimbatore - 641114, Tamilnadu, India.\u003c/p\u003e\n\u003cp\u003e\u0026nbsp;Dr. Subha Hency Jose Paul, Division of Biomedical Engineering, Karunya Institute of \u0026nbsp;Technology and Sciences, \u0026nbsp;Coimbatore - 641114, Tamilnadu, India.\u003c/p\u003e"},{"header":"References","content":"\u003col\u003e\n \u003cli\u003eShrivastava, Siddhant, Abhishek Verma, J. Ramkumar, and Rupendra Aryal. \u0026quot;A Comprehensive Study for Improving the Working Parameters for the Design of a PSA-Based Oxygen Concentrator.\u0026quot; \u003cem\u003eEngineering Research Express\u003c/em\u003e (2023).\u003c/li\u003e\n \u003cli\u003ePrayoga, Galang Adira, Emir Husni, and Salahudin Damar Jaya. \u0026quot;Design of an Embedded Controller and Optimal Algorithm of PSA for a Novel Medical Oxygen Concentrator.\u0026quot; \u003cem\u003eInternational Journal on Electrical Engineering \u0026amp; Informatics\u003c/em\u003e 15, no. 2 (2023).\u003c/li\u003e\n \u003cli\u003eYadav, Virendra Kumar, Nisha Choudhary, Gajendra Kumar Inwati, Ashita Rai, Bijendra Singh, Bharat Solanki, Biswaranjan Paital, and Dipak Kumar Sahoo. \u0026quot;Recent trends in the nanozeolites-based oxygen concentrators and their application in respiratory disorders.\u0026quot; \u003cem\u003eFrontiers in Medicine\u003c/em\u003e 10 (2023): 1147373.\u003c/li\u003e\n \u003cli\u003eBahari, Yunus, Sri Agustina, and Teguh Kurniawan. \u0026quot;Apparatus for the use of zeolite as an adsorbent in the pressure swing adsorption (PSA) technology for oxygen concentrator.\u0026quot; \u003cem\u003eASEAN Journal for Science and Engineering in Materials\u003c/em\u003e 2, no. 1 (2023): 69-74.\u003c/li\u003e\n \u003cli\u003eNasrollah, Soodeh, S. Esmaeil Najafi, Hadi Bagherzadeh, and Mohsen Rostamy-Malkhalifeh. \u0026quot;An enhanced PSO algorithm to configure a responsive-resilient supply chain network considering environmental issues: a case study of the oxygen concentrator device.\u0026quot; \u003cem\u003eNeural Computing and Applications\u003c/em\u003e 35, no. 3 (2023): 2647-2678.\u003c/li\u003e\n \u003cli\u003eVemula, Rama Rao, Matthew D. Urich, and Mayuresh V. Kothare. \u0026quot;Experimental design of a \u0026ldquo;Snap-on\u0026rdquo; and standalone single-bed oxygen concentrator for medical applications.\u0026quot; \u003cem\u003eAdsorption\u003c/em\u003e 27 (2021): 619-628.\u003c/li\u003e\n \u003cli\u003eMazzeo, Leone, Tamara Boscarino, Maria Beatrice Falasconi, Stefano Polvi, Vincenzo Piemonte, and Leandro Pecchia. \u0026quot;Zeolite Synthesis from Waste Materials for the Medical Field of Oxygen Concentrators: Focus on the African Scenario.\u0026quot; \u003cem\u003eChemical Engineering Transactions\u003c/em\u003e 101 (2023): 163-168.\u003c/li\u003e\n \u003cli\u003eArdiansyah, Syahrul Ramadhan, and Akbar Sujiwa. \u0026quot;ANALYSIS OF OXYGEN CONCENTRATION VALUES IN PORTABLE OXYGEN CONCENTRATOR DEVICES BY USING SILICA GEL AS FILTRATION MATERIAL.\u0026quot; \u003cem\u003eBEST: Journal of Applied Electrical, Science, \u0026amp; Technology\u003c/em\u003e 5, no. 1 (2023): 11-14.\u003c/li\u003e\n \u003cli\u003eCarty, Michael L., and Stephane Bilodeau. \u0026quot;Benchmarking Thermodynamic Models for Optimization of PSA Oxygen Generators.\u0026quot; \u003cem\u003eJ\u003c/em\u003e 6, no. 2 (2023): 318-341.\u003c/li\u003e\n \u003cli\u003eGalang, Adira Prayoga, I. Putu Satwika, Marta Diana, and Emir Husni. \u0026quot;Design and implementation system of mobile oxygen concentrator and telemedicine for comprehensive treatment of SpO2.\u0026quot; \u003cem\u003eInternational Journal of Advanced Technology and Engineering Exploration\u003c/em\u003e 10, no. 106 (2023): 1103.\u003c/li\u003e\n \u003cli\u003eAlhamd, M. W., Ali Jassem Abdolhusain, Yahia Jaafar Lola, and Mazen Abbas Al-Gharrawy. \u0026quot;Early Diagnosis of Respiratory Disease in Light of COVID-19 Infection and Use of Oxygen Concentrators and CPAP Devices for the Treatment of Respiratory Failure.\u0026quot; \u003cem\u003eIraqi Journal of Industrial Research\u003c/em\u003e 10, no. 1 (2023): 34-40.\u003c/li\u003e\n \u003cli\u003eGardenhire, Douglas SS, Robert B. Murray, Robin E. Gardenhire, and Kyle Brandenberger. \u0026quot;Comparison of Portable Oxygen Concentrators and Inspired Oxygen Levels Using a COPD Patient Simulation Model.\u0026quot; (2023).\u003c/li\u003e\n \u003cli\u003eSun, Yuan, Chuanzhao Zhang, Xianqiang Zhu, Liang Dong, and Xianhang Sun. \u0026quot;Mass and heat transfer of pressure swing adsorption oxygen production process with small adsorbent particles.\u0026quot; \u003cem\u003eProcesses\u003c/em\u003e 11, no. 8 (2023): 2485.\u003c/li\u003e\n \u003cli\u003eGadiraju, Nikhil, Nikhil Peterson, Jessica Shah, Annabelle Chu, Michael A. Larbie, Amy Bu, and Ann Saterbak. \u0026quot;Design and Development of a Novel System for Remote Control of Stationary Oxygen Concentrator Flow Rate.\u0026quot; \u003cem\u003eMedical Devices: Evidence and Research\u003c/em\u003e (2023): 91-100.\u003c/li\u003e\n \u003cli\u003eYousofnejad, Yeganeh, Fatemeh Afsari, and Mahboubeh Es\u0026rsquo; haghi. \u0026quot;Dynamic risk assessment of hospital oxygen supply system by HAZOP and intuitionistic fuzzy.\u0026quot; \u003cem\u003ePlos one\u003c/em\u003e 18, no. 2 (2023): e0280918.\u003c/li\u003e\n \u003cli\u003eChen, John Z., Ira M. Katz, Marine Pichelin, Kaixian Zhu, Georges Caillibotte, Warren H. Finlay, and Andrew R. Martin. \u0026quot;In vitro\u0026ndash;in silico comparison of pulsed oxygen delivery from portable oxygen concentrators versus continuous flow oxygen delivery.\u0026quot; \u003cem\u003eRespiratory Care\u003c/em\u003e 64, no. 2 (2019): 117-129.\u003c/li\u003e\n \u003cli\u003eChin, Cynthia, Zykamilia Kamin, Mohd Hardyianto Vai Bahrun, and Awang Bono. \u0026quot;The Production of Industrial-Grade Oxygen from Air by Pressure Swing Adsorption.\u0026quot; \u003cem\u003eInternational Journal of Chemical Engineering\u003c/em\u003e 2023 (2023).\u003c/li\u003e\n \u003cli\u003eNaskar, Indrajit, Arabinda Kumar Pal, and Nandan Kumar Jana. \u0026quot;Self-Regulating Adaptive Controller for Oxygen Support to Severe Respiratory Distress Patients and Human Respiratory System Modeling.\u0026quot; \u003cem\u003eDiagnostics\u003c/em\u003e 13, no. 5 (2023): 967.\u003c/li\u003e\n \u003cli\u003eLalitha, A. V., Chandrakant G. Pujari, and John Michael Raj. \u0026quot;Bubble continuous positive airway pressure oxygen therapy in children under five years of age with respiratory distress in pediatric intensive care unit.\u0026quot; \u003cem\u003eIndian Journal of Critical Care Medicine: Peer-reviewed, Official Publication of Indian Society of Critical Care Medicine\u003c/em\u003e 27, no. 11 (2023): 847.\u003c/li\u003e\n \u003cli\u003eOngtrakul, Salila, Anyarin Thitiratannapong, Chuchart Pintavirooj, and Treesukon Treebupachatsakul. \u0026quot;Pressure Swing Absorption Oxygen Concentrator equipped with Remote Monitoring Pulse Oximeter.\u0026quot; In \u003cem\u003e2021 13th Biomedical Engineering International Conference (BMEiCON)\u003c/em\u003e, pp. 1-5. IEEE, 2021.\u003c/li\u003e\n \u003cli\u003eThitirattanapong, Anyarin, Salila Ongtrakul, and Chuchart Pintavirooj. \u0026quot;Low-Cost Blower-Based Ventilator.\u0026quot; In \u003cem\u003e2021 13th Biomedical Engineering International Conference (BMEiCON)\u003c/em\u003e, pp. 1-3. IEEE, 2021.\u003c/li\u003e\n \u003cli\u003eAl-Shawabkeh, Ali F., Nijad Al-Najdawi, and Abdullah N. Olimat. \u0026quot;High purity oxygen production by pressure vacuum swing adsorption using natural zeolite.\u0026quot; \u003cem\u003eResults in Engineering\u003c/em\u003e 18 (2023): 101119.\u003c/li\u003e\n \u003cli\u003eCheah, Phee Kheng, Evelyn Marie Steven, Khai Keam Ng, Muammar Iqbal Hashim, Mohamed Hakimi Abdul Kadir, and Nicholas Paul Roder. \u0026quot;The use of dual oxygen concentrator system for mechanical ventilation during COVID-19 pandemic in Sabah, Malaysia.\u0026quot; \u003cem\u003eInternational journal of emergency medicine\u003c/em\u003e 14, no. 1 (2021): 30.\u003c/li\u003e\n \u003cli\u003eDas, Ankita, and Asim K. Das. \u0026quot;Quadrupolar Interaction with Zeolite and Pressure Swing Adsorption in Portable Medical Oxygen Concentrators for Breathing of Covid-19 and COPD Patients.\u0026quot; \u003cem\u003eResonance\u003c/em\u003e 27, no. 8 (2022): 1387-1409.\u003c/li\u003e\n \u003cli\u003ePushkarev, A. S., I. V. Pushkareva, M. A. Solovyev, S. I. Butrim, and S. A. Grigoriev. \u0026quot;The study of the solid polymer electrolyte oxygen concentrator with nanostructural catalysts based on hydrophobized support.\u0026quot; \u003cem\u003eNanotechnologies in Russia\u003c/em\u003e 15, no. 11-12 (2020): 785-792.\u003c/li\u003e\n \u003cli\u003eBatheja, Deepshikha, Vinith Kurian, Sharon Buteau, Neetha Joy, and Ajay Nair. \u0026quot;Role of oxygenation devices in alleviating the oxygen crisis in India.\u0026quot; \u003cem\u003ePLOS Global Public Health\u003c/em\u003e 3, no. 8 (2023): e0002297.\u003c/li\u003e\n \u003cli\u003eMcAllister, Susan, Louise Thorn, Sainimere Boladuadua, Mireia Gil, Rick Audas, Tim Edmonds, Eric Rafai, Philip C. Hill, and Stephen RC Howie. \u0026quot;Cost analysis and critical success factors of the use of oxygen concentrators versus cylinders in sub-divisional hospitals in Fiji.\u0026quot; \u003cem\u003eBMC health services research\u003c/em\u003e 21, no. 1 (2021): 1-7.\u003c/li\u003e\n \u003cli\u003eMartin, Dion C. \u0026quot;Contemporary portable oxygen concentrators and diverse breathing behaviours--a bench comparison.\u0026quot; \u003cem\u003eBMC pulmonary medicine\u003c/em\u003e 19 (2019): 1-11.\u003c/li\u003e\n \u003cli\u003eSatria, Dhimas, Teguh Kurniawan, and Nidya Jullanar Salman. \u0026quot;the Effect of Variation of Zeolite As Adsorbent Medium and Adsoption Pressure Toward the Quality of Oxygen Produced From Pressure Swing Adsorption (Psa).\u0026quot; \u003cem\u003eJurnal Rekayasa Mesin\u003c/em\u003e 13, no. 1 (2022): 119-127.\u003c/li\u003e\n \u003cli\u003eArora, Akhil, and MM Faruque Hasan. \u0026quot;Flexible oxygen concentrators for medical applications.\u0026quot; \u003cem\u003eScientific reports\u003c/em\u003e 11, no. 1 (2021): 14317.\u003c/li\u003e\n \u003cli\u003ePan, Mingfei, Hecham M. Omar, and Sohrab Rohani. \u0026quot;Application of nanosize zeolite molecular sieves for medical oxygen concentration.\u0026quot; \u003cem\u003eNanomaterials\u003c/em\u003e 7, no. 8 (2017): 195.\u003c/li\u003e\n \u003cli\u003eOgawa, Kuniyasu, Yosuke Inagaki, and Akio Ohno. \u0026quot;Numerical analysis of O2 concentration, gas-zeolite temperatures in two zeolite columns for an oxygen concentrator.\u0026quot; \u003cem\u003eInternational Journal of Heat and Mass Transfer\u003c/em\u003e 129 (2019): 238-254.\u003c/li\u003e\n \u003cli\u003eSami, Ahsan, Marium Irfan, Riaz Uddin, Abdullah Haider Ali, Humayun Khan, Erij Khan, and Muhammad Sameer. \u0026quot;Oxygen concentrator design: zeolite based pressure swing adsorption.\u0026quot; \u003cem\u003eEngineering Proceedings\u003c/em\u003e 20, no. 1 (2022): 26.\u003c/li\u003e\n \u003cli\u003eDixita, Aparna, Shivam Shuklaa Sourava, Avika Pala, Vishal R. Pansec, Cornelia-Victoria Angheld, and Sanjeev Kumar Bhallaa. \u0026quot;Oxygen Concentrator with Zeolites-Na: An Economic Design.\u0026quot;\u003c/li\u003e\n \u003cli\u003eBahari, Yunus, Sri Agustina, and Teguh Kurniawan. \u0026quot;Apparatus for the use of zeolite as an adsorbent in the pressure swing adsorption (PSA) technology for oxygen concentrator.\u0026quot; \u003cem\u003eASEAN Journal for Science and Engineering in Materials\u003c/em\u003e 2, no. 1 (2023): 69-74.\u003c/li\u003e\n \u003cli\u003eHida, S. N., A. N. Putra, M. Y. Nurjaya, M. B. R. Sunaryo, and A. Suhendi. \u0026quot;The Effect of Adsorbent-Material Properties on PSA Based Oxygen Concentrators.\u0026quot; In \u003cem\u003eJournal of Physics: Conference Series\u003c/em\u003e, vol. 2673, no. 1, p. 012035. IOP Publishing, 2023.\u003c/li\u003e\n \u003cli\u003eCoro, Florinda, Licia Di Pietro, Simone Micalizzi, Antonio Bertei, Giuseppe Gallone, Anna Maria Raspolli Galletti, Arti Ahluwalia, and Carmelo De Maria. \u0026quot;3D printed zeolite monoliths as open-source spare parts for oxygen concentrators.\u0026quot; \u003cem\u003eChemical Engineering Science\u003c/em\u003e 285 (2024): 119590.\u003c/li\u003e\n \u003cli\u003eMazzeo, Leone, Tamara Boscarino, Maria Beatrice Falasconi, Stefano Polvi, Vincenzo Piemonte, and Leandro Pecchia. \u0026quot;Zeolite Synthesis from Waste Materials for the Medical Field of Oxygen Concentrators: Focus on the African Scenario.\u0026quot; \u003cem\u003eChemical Engineering Transactions\u003c/em\u003e 101 (2023): 163-168.\u003c/li\u003e\n \u003cli\u003eYadav, Virendra Kumar, Nisha Choudhary, Gajendra Kumar Inwati, Ashita Rai, Bijendra Singh, Bharat Solanki, Biswaranjan Paital, and Dipak Kumar Sahoo. \u0026quot;Recent trends in the nanozeolites-based oxygen concentrators and their application in respiratory disorders.\u0026quot; \u003cem\u003eFrontiers in Medicine\u003c/em\u003e 10 (2023): 1147373.\u003c/li\u003e\n \u003cli\u003eArdiansyah, Syahrul Ramadhan, and Akbar Sujiwa. \u0026quot;ANALYSIS OF OXYGEN CONCENTRATION VALUES IN PORTABLE OXYGEN CONCENTRATOR DEVICES BY USING SILICA GEL AS FILTRATION MATERIAL.\u0026quot; \u003cem\u003eBEST: Journal of Applied Electrical, Science, \u0026amp; Technology\u003c/em\u003e 5, no. 1 (2023): 11-14.\u003c/li\u003e\n \u003cli\u003ePatil, Ajinkya, Pradnya Chopade, Pratik Ingole, Shrinath Banpatte, and Swaroop Pawshe. \u0026quot;Oxygen Concentrator\u0026ndash;Oxygen Separation from Air Using 5A Zeolite Molecule.\u0026quot; \u003cem\u003eInternational Journal of Scientific \u0026amp; Engineering Research\u003c/em\u003e 6 (2021): 2053-55.\u003c/li\u003e\n \u003cli\u003eSatria, Dhimas, Teguh Kurniawan, Imron Rosyadi, Rina Lusiani, Mekro Permana Pinem, and Nidya Jullanar Salman. \u0026quot;The Effect of Air Flow Rate on Oxygen Purity Level in Pressure Swing Adsorption Equipment with Zeolite 13x and Natural Zeolite Bayah.\u0026quot; In \u003cem\u003eConference on Broad Exposure to Science and Technology 2021 (BEST 2021)\u003c/em\u003e, pp. 396-401. Atlantis Press, 2022.\u003c/li\u003e\n \u003cli\u003eHamed, Hussein H. \u0026quot;Oxygen and nitrogen separation from air using zeolite type 5A.\u0026quot; \u003cem\u003eAl-Qadisiyah Journal for Engineering Sciences\u003c/em\u003e 8, no. 2 (2015): 147-158.\u003c/li\u003e\n \u003cli\u003eDing, Yun, Jaebum Choo, and Andrew J. DeMello. \u0026quot;From single-molecule detection to next-generation sequencing: microfluidic droplets for high-throughput nucleic acid analysis.\u0026quot; \u003cem\u003eMicrofluidics and nanofluidics\u003c/em\u003e 21 (2017): 1-20.\u003c/li\u003e\n \u003cli\u003eOtto, Hans Hermann. \u0026quot;Save the Diesel Car: Proposal for Nitrogen Removal with the Aid of Cost-Efficient Built-In Zeolite Based Oxygen Concentrators and Accompanying Steps.\u0026quot; \u003cem\u003eResearchgate. net\u003c/em\u003e (2017).\u003c/li\u003e\n \u003cli\u003eBobby, J. Sofia, S. Bharath, C. Madhankumar, K. Sudharsanam, U. Ummathullah, and PB Edwin Prabhakar. \u0026quot;Cost efficient oxygen concentrator with PSA technology.\u0026quot; \u003cem\u003eCardiometry\u003c/em\u003e 25 (2022): 182-185.\u003c/li\u003e\n \u003cli\u003eSun, Yuan, Chuanzhao Zhang, Xianqiang Zhu, Liang Dong, and Xianhang Sun. \u0026quot;Mass and heat transfer of pressure swing adsorption oxygen production process with small adsorbent particles.\u0026quot; \u003cem\u003eProcesses\u003c/em\u003e 11, no. 8 (2023): 2485.\u003c/li\u003e\n \u003cli\u003eChin, Cynthia, Zykamilia Kamin, Mohd Hardyianto Vai Bahrun, and Awang Bono. \u0026quot;The Production of Industrial-Grade Oxygen from Air by Pressure Swing Adsorption.\u0026quot; \u003cem\u003eInternational Journal of Chemical Engineering\u003c/em\u003e 2023 (2023).\u003c/li\u003e\n \u003cli\u003eBadr, Mohamed, Mena Atef, Hala Ramadan, Fadwa Ahmed, Zainab Abd Elhameid, and Mohamed I. Abdo. \u0026quot;Oxygen Enrichment Unit Using Pressure Swing Adsorption Technology with Monitoring System.\u0026quot; In \u003cem\u003eThe International Undergraduate Research Conference\u003c/em\u003e, vol. 5, no. 5, pp. 409-413. The Military Technical College, 2021.\u003c/li\u003e\n \u003cli\u003eAl-Dabbas, Mohammad Awwad. \u0026quot;Jordanian Medical Oxygen Generator for COVID 19 Patients.\u0026quot; \u003cem\u003eDesign Engineering\u003c/em\u003e (2021): 10190-10219.\u003c/li\u003e\n\u003c/ol\u003e"}],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":true,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":false,"hideJournal":false,"highlight":"","institution":"","isAcceptedByJournal":true,"isAuthorSuppliedPdf":false,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":false,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"
[email protected]","identity":"bulletin-of-the-national-research-centre","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"bnrc","sideBox":"Learn more about [Bulletin of the National Research Centre](https://BNRC.springeropen.com)","snPcode":"42269","submissionUrl":"https://submission.springernature.com/new-submission/42269/3","title":"Bulletin of the National Research Centre","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"stoa","reportingPortfolio":"Springer Open","inReviewEnabled":true,"inReviewRevisionsEnabled":true},"keywords":"Portable oxygen Concentrator, Zeolite, Pressure swing adsorption technology, Air pressure sensor, Arduino uno controller","lastPublishedDoi":"10.21203/rs.3.rs-3954282/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-3954282/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eChronic obstructive pulmonary disease results from a collection of lung illnesses that restrict airflow, causing breathing difficulty. Pulmonary fibrosis result from scarring of the lung tissue that causes difficulty breathing,Emphysema is a lung illness that causes the destruction of the lungs air sacs in the lungs. Oxygen concentrator can assist Chronic obstructive pulmonary disease patients in staying active and enhancing their quality of life. Oxygen concentrators are medical devices that extract from ambient air and deliver it to patients requiring supplemental oxygen therapy. Monitoring and optimizing their performance is crucial for ensuring patient safety and delivery of the correct amount of oxygen. Air pressure sensors play a vital role in this process by providing data on various aspects of the Portable Oxygen concentrator's operation Flow rate, pressure, purity of portable oxygen concentrator. The purpose of this study is to evaluate the feasibility of employing an oxygen concentrator as a platform to measure airflow with airflow sensors. By incorporating airflow sensors into an oxygen concentrator system, a non-intrusive and cost-effective approach for monitoring airflow in a variety of environments,including medical, environmental, and industrial can be developed. To investigate the feasibility of employing an Arduino Uno microcontroller and an air pressure sensor to monitor the oxygen flow rate and purity in an oxygen concentrator in order to optimize its performance. Portable oxygen concentrators are medical devices that supply extra oxygen to people who have low blood oxygen levels. These devices are smaller and lighter than fixed oxygen concentrators are, making them perfect for those who must be mobile. Portable oxygen concentrators are an extremely useful tool for individual with low blood oxygen levels. They can help people remain active, improve their quality of life, and lessen their need for oxygen tanks. A portable oxygen Concentrator with pressure swing adsorption and HX710B air pressure sensor for health monitoring has been constructed.\u003c/p\u003e \u003cp\u003e \u003c/p\u003e","manuscriptTitle":"Measuring the Oxygen Flow Rate and Purity in an Optimal Portable Oxygen Concentrator Performance with an Air Pressure Sensor","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2024-03-05 15:54:59","doi":"10.21203/rs.3.rs-3954282/v1","editorialEvents":[{"type":"communityComments","content":0},{"type":"reviewerAgreed","content":"","date":"2024-02-28T11:34:00+00:00","index":0,"fulltext":""},{"type":"reviewersInvited","content":"","date":"2024-02-28T10:11:01+00:00","index":"","fulltext":""},{"type":"editorAssigned","content":"","date":"2024-02-16T06:44:26+00:00","index":"","fulltext":""},{"type":"submitted","content":"Bulletin of the National Research Centre","date":"2024-02-15T00:45:54+00:00","index":"","fulltext":""}],"status":"published","journal":{"display":true,"email":"
[email protected]","identity":"bulletin-of-the-national-research-centre","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":false,"externalIdentity":"bnrc","sideBox":"Learn more about [Bulletin of the National Research Centre](https://BNRC.springeropen.com)","snPcode":"42269","submissionUrl":"https://submission.springernature.com/new-submission/42269/3","title":"Bulletin of the National Research Centre","twitterHandle":"","acdcEnabled":true,"dfaEnabled":true,"editorialSystem":"stoa","reportingPortfolio":"Springer Open","inReviewEnabled":true,"inReviewRevisionsEnabled":true}}],"origin":"","ownerIdentity":"6a0028c8-8a7e-4f03-bd40-5946df417b55","owner":[],"postedDate":"March 5th, 2024","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"under-review","subjectAreas":[],"tags":[],"updatedAt":"2024-04-25T08:29:32+00:00","versionOfRecord":[],"versionCreatedAt":"2024-03-05 15:54:59","video":"","vorDoi":"","vorDoiUrl":"","workflowStages":[]},"version":"v1","identity":"rs-3954282","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-3954282","identity":"rs-3954282","version":["v1"]},"buildId":"J0_U0BvcaRcwD8yVFaRlm","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}
Text is read by the "Ask this paper" AI Q&A widget below.
Extraction quality varies by source — PMC NXML preserves structure
cleanly, OA-HTML may include some navigation residue, and OA-PDF can
have broken hyphenation. The publisher copy
(via DOI)
is the canonical version.