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Effects of Ethanol on Hydrogen Permeation Through Palladium Composite Membrane

Authors： ZHANG Jixin 1, YU Jiafeng 2, FANG Wen1, XU Hengyong 2

Units： 1Department of Chemistry, Harbin Normal University, Harbin, 150025, China;

KeyWords： palladium composite membrane; hydrogen permeation; atmosphere influence; ethanol; ethanol steam reforming

ClassificationCode：TQ214或TQ032.4

year,volume(issue):pagination： 2014,34(1):51-56

Abstract：

In this paper, different thicknesses of palladium membrane were prepared by chemical plating and the effect of ethanol on hydrogen permeation of palladium membrane was foced on investigating. The results showed that the influence of Et/H2 atmosphere on hydrogen permeation of palladium membrane was more serious than Et/H2O atmosphere at low temperature (573-623K). While it is completely opposite at high temperature (623-673K). Moreover, exposure tests of different atmospheres showed that hydrogen permeation value restored to 96% and 89% of the initial value in H2/N2/Et and H2/N2/Et/H2O atmosphere, respectively. In addition, larger water ethanol ratio (10-13) and thinner palladium membrane (2-6 µm) were in favor of suppressing the effect of ethanol on the hydrogen permeation of palladium membrane.

Funds：

国家高技术研究发展计划（863计划），课题编号：2012AA03A612

AuthorIntro：

张继新（1985-），女，黑龙江省依安县人，硕士，从事钯膜性能评价研究. 联系电话:0411-84379231; E-mail: zhangjixin1985@126.com 通讯联系人:俞佳枫Tel: 0411-84379283；E-mail: yujf@dicp.ac.cn；徐恒泳Tel: 0411-84581234；E-mail: xuhy@dicp.ac.cn

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