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Journal of Porous Media
Impact-faktor: 1.49 5-jähriger Impact-Faktor: 1.159 SJR: 0.43 SNIP: 0.671 CiteScore™: 1.58

ISSN Druckformat: 1091-028X
ISSN Online: 1934-0508

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Journal of Porous Media

DOI: 10.1615/JPorMedia.v12.i6.60
pages 563-571

Kinetic Adsorption of Water and Carbon Dioxide in Zeolites

Mhiri Foued
Institut préparatoire aux études d’ingénieur de Monastir
Abdelmajid Jemnia
Laboratoire d'Etude des Systemes Thermiques et Energetiques, Ecole Nationale d'Ingenieurs de Monastir, Tunisia
Sassi Ben Nasrallah
Laboratoire d'Études des Systèmes Thermiques et Énergétiques, Ecole Nationale d'Ingénieurs de Monastir, Monastir 5019 Tunisie

ABSTRAKT

In this paper we develop a mathematical model of adsorption kinetic in solid microporous media where the system is neither homogeneous nor isotropic. Fick's law, which considered only diffusion, is modified to cope with the requirements due to adsorbate accumulation and fluctuation effect. Our approach consists of introducing two new terms in Fick's law; the first characterizes the direct adsorption, it depends on the speed average but not on the speed itself, and the second characterizes the fluctuation of the adsorbed quantity with respect to heat dissipation.