Isothermal Dynamics of the Adsorption of Multicomponent Mixtures

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Abstract
Theoretical models for the isothermal dynamics of the adsorption of multicomponent mixtures have been classified. The conditions determining a given frontal behaviour have been shown to depend on the type of theoretical model employed, on the kind of the adsorption isotherm and on the values of the mass exchange parameters inside and outside the porous grains in the porous medium. It has been shown that S type models of the kinetics of interphase mass exchange occurring within porous grains are of limited applicability, whereas the C type appears to be more sensible. Formulae for calculating the quantities determining the frontal behaviour for multicomponent mixture adsorption have been derived.

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