The possibilities arising from the introduction of a layer of equilibrium adsorption into the model for a theory relating to the adsorption dynamics of vapours on microporous adsorbents have been studied. The initial first-order differential equation of the model combines the features of a material balance equation, the adsorption kinetics and an unsimplified isotherm. The results of computer simulation for the Dubinin-Radushkevich adsorption isotherm agree closely with the experimental data for ethyl chloride and carbon tetrachloride adsorption dynamics on activated carbons over a wide range of breakthrough concentrations.
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