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Isosteric heat of adsorption from thermodynamic Langmuir isotherm

TitleIsosteric heat of adsorption from thermodynamic Langmuir isotherm
Publication TypeJournal Article
Year of Publication2021
AuthorsTun, H, Chen, CChyun
JournalAdsorption
Volume27
Pagination979-989
Date Publishedjan
ISSN15728757
Keywords2.7, Adsorption isotherm, Isosteric heat of adsorption, Project 2.7, Pure component adsorption, Thermodynamic Langmuir isotherm
Abstract

The recently developed thermodynamic Langmuir isotherm model is used to estimate the isosteric heat of adsorption for pure component adsorption. Specifically, pure component adsorption isotherms at different temperatures are first correlated with the thermodynamic Langmuir isotherm model. Then the pure component isosteric heat of adsorption is calculated with the Clausius–Clapeyron equation. We show the thermodynamic Langmuir isotherm model correctly estimates the isosteric heat of adsorption as a function of surface loading for pure component adsorption.
URLhttps://link.springer.com/article/10.1007/s10450-020-00296-3
DOI10.1007/s10450-020-00296-3