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Adsorption kinetics and the Planck-Fokker equation

M. Kočiřík

J. Heyrovský Institute of Physical Chemistry and Electrochemistry, Czechoslovak Academy of Sciences, 121 38 Prague


Abstract: The mass transport in porous adsorbents is interpreted for a linear adsorption isotherm and concn.-independent diffusion coeff. on the basis of random motion of a single particle of adsorbate. The wandering of particles is regarded as a Markov process which can be described under some simplifying conditions by the Planck-Fokker equations. A relation between the microscopically measured kinetic curve or its statistical moments, and the quantities characterizing the motion of microparticle is presented. The adsorption process is interpreted as a process involving the desorption of vacancies.

Full paper in Portable Document Format: 293a356.pdf


Chemical Papers 29 (3) 356–360 (1975)

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