Application of the Elovich equation to the kinetics of occlusion. Part 2.—Analysis of experimental data from the literature
Abstract
The Elovichian approximation and the parabolic approximation (see Part 1) have been applied to data on the kinetics of occlusion found in the literature. The data refer to occlusion of a gas, a liquid and solutes by zeolites, active carbon and a cation-exchange resin. The adsorbents were either spherical particles or powders. The equation for occlusion by ‘slabs’, i.e. parallel diffusion paths, is found to be applicable in all cases; the equation for occlusion by ‘spheres’, i.e. convergent diffusion paths, is not applicable.
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