Recovery of trace hydrogen by cryogenic adsorption

被引：19
|
作者：
Zhang, DH [1 ]
Kodama, A [1 ]
Goto, M [1 ]
Hirose, T [1 ]
机构：
[1] Dept Appl Chem & Biochem, Kumamoto 8608555, Japan
来源：
SEPARATION AND PURIFICATION TECHNOLOGY | 2004年 / 35卷 / 02期
关键词：
hydrogen; recovery; cryogenic; pressure swing adsorption; axial diffusion coefficient; equilibrium;
D O I：
10.1016/S1383-5866(03)00116-3
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The concentration of trace hydrogen from helium carrier gas was conducted by cryogenic pressure swing adsorption, using the molecular sieve 5A as adsorbents in a fixed column. Hydrogen may be recovered at greater than 90% purity from a feed containing 0.5% hydrogen in helium. A model including axial diffusion coefficient with tridimensional graphic simulation results shows good agreement with the experimental results. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：105 / 112
页数：8
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