Dynamics of pressure build-up accompanying multicomponent gas transport in porous solids:: adsorbable gases

被引:3
|
作者
Hejtmánek, V [1 ]
Capek, P [1 ]
Solcová, O [1 ]
Schneider, P [1 ]
机构
[1] Acad Sci Czech Republ, Inst Chem Proc Fundamentals, CR-16502 Prague 6, Suchdol, Czech Republic
关键词
dynamic transport; multicomponent; transport parameters; mean transport pore model; dusty-gas model;
D O I
10.1016/S1385-8947(99)00078-9
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
The dynamics of countercurrent transport of binary and ternary gas mixtures, containing one absorbable gas, through a porous medium accompanied by a spontaneous temporary build-up of pressure inside the pores was experimentally studied. Attempts to simulate the pressure responses based on Maxwell-Stefan constitutive equation (2) were made with the conclusion that adsorption in equilibrium overpredicts the temporal pressure inside the porous solid. To simulate acceptably pressure responses for the porous catalyst ICI-52/1 adsorption kinetics must be considered. (C) 1999 Elsevier Science S.A. All rights reserved.
引用
收藏
页码:171 / 179
页数:9
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