The effect of carbon monoxide and steam on the hydrogen permeability of a Pd/stainless steel membrane

被引:163
作者
Li, A [1 ]
Liang, W [1 ]
Hughes, R [1 ]
机构
[1] Univ Salford, Dept Chem Engn, Salford M5 4WT, Lancs, England
关键词
palladium membrane; carbon monoxide; steam; hydrogen permeability;
D O I
10.1016/S0376-7388(99)00223-9
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Measurements of the hydrogen permeation rate through a Pd/stainless steel membrane have been carried out in the presence of carbon monoxide and steam and with mixtures of these two additives. Significant reductions in hydrogen permeability were observed, the extent of the reduction being dependent on the amount of CO or steam added. At low concentrations of additive(high feed flux), differences in behavior for CO and steam were noted, addition of CO at this level having little effect on hydrogen permeability, whereas addition of steam had a much more pronounced effect. (C)2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:135 / 141
页数:7
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