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《中国化学工程学报(英文版)》 1998-01
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New Models for Evaluating the Adsorption Rate of an Adsorbent

Yao Chuncai Department of Chemical Engineering, Nanjing Foresty University, Nanjing 210037, China Chi Tien Department of Chemical Engineering and Materials Science, Syracuse University, Syracuse, New York 13244, USA  
Four models for the rate of adsorption in an adsorbent (slab-like, cylindrical or spherical) are presented. The parabolic profile (PP) model is obtained by assuming a parabolic intraparticle concentration profile. The shell-core (SC) model is based on a shell-core type profile. The modified shell-core (MSC) model is an extension of the SC model. And the general driving force (GDF) model is a weighted average of the PP and MSC models. Sample calculations show that the GDF model provides the best approximation.
【Fund】: Supported by the Education Commission of P.R.China.
【CateGory Index】: O647.3
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