Approximate analysis of frontal sorption dynamics for sharp convex sorption isotherms

Authors

  • Pavel P. Zolotarev Doctor of Chemistry, Professor. Laboratory of Solutions and Masstransfer Department of Chemistry M.V. Lomonosov Moscow State University, Moscow, email: zolot8484@yandex.ru

Keywords:

sorption, sorption dynamics, longitudinal diffusion, sharp convex isotherms, piecewise-linear isotherms, rectangular isotherms.

Abstract

The problem of frontal sorption dynamics for sharp convex isotherms which take place often in
practice is discussed. Model of the equilibrium sorption dynamics with longitudinal diffusion which is
applied widely in chromatography is used. It is showed that approximation of these isotherms by
piecewise-linear isotherms (in particularly rectangular isotherms) permits to obtain analytical decisions
which are suitable for small and long times of this process.

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Published

2019-11-20

Issue

Vol. 13 No. 1 (2013): Sorbtsionnye i Khromatograficheskie Protsessy

Section

Статьи

How to Cite

Approximate analysis of frontal sorption dynamics for sharp convex sorption isotherms. (2019). Sorbtsionnye I Khromatograficheskie Protsessy, 13(1). https://journals.vsu.ru/sorpchrom/article/view/1590

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