Efficient Loading of Mano Mn Particles On Calcined Laterite Soil (Lt-nMn) For Higher Removal of As(III) Ions From Groundwater: Adsorption And Eco-Scale Analysis

Efficient Loading of Mano Mn Particles On Calcined Laterite Soil (Lt-nMn) For Higher Removal of As(III) Ions From Groundwater: Adsorption And Eco-Scale Analysis | 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 Efficient Loading of Mano Mn Particles On Calcined Laterite Soil (Lt-nMn) For Higher Removal of As(III) Ions From Groundwater: Adsorption And Eco-Scale Analysis Roshan Prabhakar, Somaparna Ghosh, Ali Malik, Sukha Ranjan Samadder This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-767410/v1 This work is licensed under a CC BY 4.0 License Status: Under Review Version 1 posted 5 You are reading this latest preprint version Abstract Occurrence of arsenic in the groundwater has become a cause for concern in many countries. The presence of As(III) species in the groundwater had been one of the biggest challenges for the water workers especially in the south east Asian countries. Nano based adsorption techniques are gaining attention among researchers for the removal of arsenic ions. However, synthesis of nano-adsorbents is a costly affair. Therefore, the present study utilized the cheap and readily available laterite soil as a base material for nano coating. Nano sized manganese (nMn) particles were synthesized by chemical reduction method and later coated on calcined laterite (Lt-nMn). Coating with 0.1 M nMn provided the best As(III) removal efficiency. The prepared material was characterised for its morphological and surface properties. Phase analysis using XRD (X-ray diffraction) showed the presence of zero valent manganese species, which assisted in adsorption. Adsorption studies were conceded by selecting the different affecting parameters such as contact time, concentration, dose, temperature, and pH. Very high removal in less time regime led to the investigation of the oxidation mechanism. Phosphate and sulphate anions insignificantly reduced the removal efficiency. Langmuir model for the sorption isotherms and pseudo-second order kinetic model for the sorption kinetics symbolized the experimental data. Sustainability studies in terms of eco-scaling and cost analysis were performed for the applied method of production of the nano materials. Adsorber design analysis was also conducted to estimate the required amount of Lt-nMn particles for achieving the desired equilibrium As(III) concentration. Environmental Chemistry Toxicology Adsorption As(III) removal Batch adsorber design nano Manganese particle and Laterite Full Text Cite Share Download PDF Status: Under Review Version 1 posted Editorial decision: Major Revision 15 Sep, 2021 Reviews received at journal 21 Aug, 2021 Reviewers invited by journal 19 Aug, 2021 Editor invited by journal 18 Aug, 2021 First submitted to journal 29 Jul, 2021 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-767410","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":47183639,"identity":"5142a3fc-3b68-4536-9500-6e70d8c62b5f","order_by":0,"name":"Roshan Prabhakar","email":"","orcid":"","institution":"Indian Institute of Technology (Indian School of Mines): Indian Institute of Technology","correspondingAuthor":false,"submittingAuthor":false,"prefix":"","firstName":"Roshan","middleName":"","lastName":"Prabhakar","suffix":""},{"id":47183640,"identity":"aea8be32-f483-4c37-bc36-aa6ce180a681","order_by":1,"name":"Somaparna 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