Removal of trace quantities of CO from H2 using temperature-swing-adsorption

被引：6
|
作者：
Sadhankar, RR [1 ]
Aelick, CR [1 ]
Burns, DL [1 ]
Marcinkowska, K [1 ]
机构：
[1] Atom Energy Canada Ltd, Chalk River Nucl Labs, Heavy Water Technol Branch, Chalk River, ON K0J 1J0, Canada
来源：
CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 2000年 / 78卷 / 06期
关键词：
CO adsorption; temperature swing adsorption; intraparticle diffusion; rectangular isotherm;
D O I：
10.1002/cjce.5450780608
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A method for the removal of trace quantities (0.2 to 10 ppm) of carbon monoxide in commercial hydrogen using a temperature-swing-adsorption system with 0.5 wt% Pt/Al2O3 adsorbent has been investigated. The adsorbent could be regenerated by treatment with air at 200 degreesC to 250 degreesC or by treatment with hydrogen at 270 degreesC. The breakthrough curves have been described by a model which considers both the external-film resistance and the intraparticle diffusion resistance. The model has been validated at the high gas velocities expected in a commercial plant.
引用
收藏
页码：1087 / 1095
页数：9
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