Simulation of solute transport in porous media using a one-dimensional nonlinear sorption transport model controlled by equilibrium

Simulation of solute transport in porous media using a one-dimensional nonlinear sorption transport model controlled by equilibrium | 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 Simulation of solute transport in porous media using a one-dimensional nonlinear sorption transport model controlled by equilibrium Calvia MADIE YONTI, Ismael FOUEYEM TANGA, Gaetan Narcisse DONGMO TEPOULE, and 3 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-5587131/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract Studies on the flow and transport of contaminants in the subsurface environment rely on the knowledge of numerous functional parameters of the subsurface. One of these parameters is the retardation factor generated by the non-linear sorption isotherm, which presents significant ambiguities in its estimation in homogeneous media, challenging accurate predictions of contaminant transport and retention. This study uses a mathematical model to simulate the transport of contaminants in saturated porous media under Freundlich and Langmuir isotherm models. This study evaluates the impact of non-linear sorption on contaminant distribution and addresses ambiguities in parameter estimation. Using two sorption isotherm models dependent on porosity ( Ɵ ) in the domain, the analysis of the results shows that for θ values < 0.15, significant solute mass retention is observed with the Freundlich model, while concentration profiles between both models are similar for θ ≥ 0.15. These findings emphasize the importance of considering porosity and appropriate isotherm models to improve the accuracy of predictive modeling for contaminant transport in subsurface environments. Groundwater Contaminant Transport non-linear isotherm Full Text Additional Declarations No competing interests reported. Cite Share Download PDF Status: Posted Version 1 posted 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-5587131","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":440823715,"identity":"97886cb7-8339-4656-b0b9-77bf9df05026","order_by":0,"name":"Calvia MADIE 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