Abstract
The thermodynamics of adsorption equilibrium with a single-component gas phase have been analyzed for two different models of adsorption. It has been shown that with a cell model of adsorption, the differential energy of the adsorbent/adsorbate system is expressed by the same formula as in the other model, in terms of quantities characterizing the equilibrium gas. An expression is derived for the differential energy, with deformation of the adsorbent taken into account. The two methods of calculating the isosteric heat of adsorption are compared.
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Additional information
Institute of Physical Chemistry, Russian Academy of Sciences, Moscow. Translated from Izvestiya Akademii Nauk, Seriya Khimicheskaya, No. 1, pp. 19–23, January, 1992.
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Shekhovtsova, L.G., Fomkin, A.A. Two methods of describing adsorption equilibrium. Russ Chem Bull 41, 10–13 (1992). https://doi.org/10.1007/BF00863902
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DOI: https://doi.org/10.1007/BF00863902