Application of the Elovich equation to the kinetics of occlusion. Part 1.—Homogeneous microporosity
- 1 January 1982
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 78 (8) , 2313-2320
- https://doi.org/10.1039/f19827802313
Abstract
Some properties of the equations for the kinetics of occlusion, obtained by integrating Fick's equation, are examined. The plot of the reciprocal of the rate z=(dvt/dt)–1 against the time t is sigmoid and has an inflexion point at t=tp. When t does not differ greatly from tp the kinetics are approximated by an Elovich equation vt=A+(1/b)ln(t/tp+tr) where A, b and tr are constants independent of the diffusion coefficient and length of the diffusion path and determined by the geometry of the particles.Keywords
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