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Material Balance Equations and Their Solutions in Linear Adsorption Dynamics

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Abstract

Material balance equations and their solutions in the linear dynamics of adsorption are analyzed. For the first time, a geometric illustration of the change in the position of the equilibrium adsorption layer in time is carried out. For the discrete material balance equations proposed in the theory of plates and the model of the equilibrium adsorption layer, the solutions seem to be more correct. It is shown that these theories differ in having slightly different representations of the Henry constant. It is proved that, in the frontal and developmental variants of the adsorption dynamics when using continuous equations of material balance, the solutions are not essential, but are functions that are chosen arbitrarily and do not describe the dynamic processes sufficiently accurately.

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ACKNOWLEDGMENTS

Article [2] was accepted for publication 80 years ago (on November 19), and this work is dedicated to the memory of its authors, A.P. Martin and R.M. Singa.

Funding

This work was carried out within the framework of state theme no. 0067-2019-0008.

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Authors and Affiliations

  1. Frumkin Institute of Physical Chemistry and Electrochemistry, Russian Academy of Sciences, 119071, Moscow, Russia

    A. V. Larin

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  1. A. V. Larin
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Correspondence to A. V. Larin.

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Larin, A.V. Material Balance Equations and Their Solutions in Linear Adsorption Dynamics. Prot Met Phys Chem Surf 58, 1–5 (2022). https://doi.org/10.1134/S2070205122010130

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  • DOI: https://doi.org/10.1134/S2070205122010130

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