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International Journal of Innovative Approaches in Science Research 2023, Vol 7(1) 25-36

Comparison of Adsorption Isotherm Models for Methane and Carbon Dioxide Adsorption onto Activated Carbon

Lütfi Erden • Hanife Erden
Cite this article
Article Type
Research article
Publication Date
March 20, 2023
Pages
25-36
DOI
10.29329/ijiasr.2023.524.3

Abstract

Modeling and simulation of an adsorption-based gas separation process require accurately measured gas adsorption isotherms and isotherm model fittings. In this study, adsorption equilibria data of pure Methane (CH4) and Carbon Dioxide (CO2) onto activated carbon adsorbent (Calgon Co.) were extracted from the literature. Each experimental isotherm was correlated by the Simple Langmuir (SL), Dual Process Langmuir (DPL), Three Process Langmuir (TPL), Toth, and the Unilan models and the deviations were evaluated. Other than SL, all four models showed very good agreement with the experimental data. The fitting parameters for all models presented in this article can be used for any type of adsorption-based separation modeling which includes the BPL-activated carbon and analyzed gases.

Keywords: Adsorption Isotherm Models CH4 adsorption CO2 adsorption Activated Carbon
Cite this article
Erden, L. & Erden, H. (2023). Comparison of Adsorption Isotherm Models for Methane and Carbon Dioxide Adsorption onto Activated Carbon. International Journal of Innovative Approaches in Science Research, 7(1), 25-36. https://doi.org/10.29329/ijiasr.2023.524.3

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