Fixed-bed adsorption of carbon dioxide-helium, nitrogen-helium and carbon dioxide-nitrogen mixtures onto silicalite pellets

被引:35
作者
Delgado, JA [1 ]
Uguina, MA [1 ]
Sotelo, JL [1 ]
Ruíz, B [1 ]
机构
[1] Univ Complutense Madrid, Dept Chem Engn, E-28040 Madrid, Spain
关键词
carbon dioxides nitrogen; silicalite; adsorption; fixed-bed; modeling;
D O I
10.1016/j.seppur.2005.08.011
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
In this work, the fixed-bed adsorption of carbon dioxide and nitrogen on silicalite pellets hits been Studied. Adsorption equilibrium and kinetic measurements of carbon dioxide and nitrogen on this adsorbent at several temperatures have been performed, and the single adsorption equilibrium isotherms have been obtained for both adsorbates. A model based on the LDF approximation for the mass transfer, Liking into account the energy and momentum balances, has been used to describe the adsorption kinetics of carbon dioxide and nitrogen as single components. The model reproduced satisfactorily the breakthrough Curves obtained with carbon dioxide-nitrogen mixtures. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:91 / 100
页数:10
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