钯复合膜的制备及其在氢气氮气分离中的应用

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钯复合膜的制备及其在氢气氮气分离中的应用

张科¹; 高会元^1,3; 芮泽宝¹; 林跃生^1,2; 李永丹¹

¹ Department of Catalysis Science and Technology, School of Chemical Engineering, Tianjin University, Tianjin 300072, China
² Department of Chemical and Materials Engineering, Arizona State University, Tempe, AZ 85287-1066, USA
³ Department of Applied Chemistry, School of Chemical Engineering and Biological Technology, Hebei Polytechnic University, Tangshan 063009, China

收稿日期:2006-11-20 修回日期:1900-01-01 出版日期:2007-10-28 发布日期:2007-10-28
通讯作者: 张科

Preparation of thin palladium composite membranes and application to hydrogen/nitrogen separation

ZHANG Ke¹; GAO Huiyuan^1,3; RUI Zebao¹; LIN Yuesheng^1,2; LI Yongdan¹

¹ Department of Catalysis Science and Technology, School of Chemical Engineering, Tianjin University, Tianjin 300072, China
² Department of Chemical and Materials Engineering, Arizona State University, Tempe, AZ 85287-1066, USA
³ Department of Applied Chemistry, School of Chemical Engineering and Biological Technology, Hebei Polytechnic University, Tangshan 063009, China

Received:2006-11-20 Revised:1900-01-01 Online:2007-10-28 Published:2007-10-28
Contact: ZHANG Ke

摘要/Abstract

摘要： Thin palladium composite membranes were prepared by modified electroless plating method on α-alumina supports and a dense Pd/α-Al2O3 composite membrane with high hydrogen flux, good selectivity for hydrogen was obtained. It was tested in a single gas permeation system for hydrogen permeance and hydrogen selectivity over nitrogen. The hydrogen permeance of the corresponding membrane was as high as 2.45 10－6mol•m－2•s－1•Pa－1 and H2/N2 selectivity over 700 at 623K and a pressure difference of 0.1MPa. The main resistance of the composite membrane to H2 permeation lies in the aluminum ceramic support rather than the thin Pd layer.

关键词: palladium membrane;non-electrical plating;hydrogen separation

Abstract: Thin palladium composite membranes were prepared by modified electroless plating method on α-alumina supports and a dense Pd/α-Al2O3 composite membrane with high hydrogen flux, good selectivity for hydrogen was obtained. It was tested in a single gas permeation system for hydrogen permeance and hydrogen selectivity over nitrogen. The hydrogen permeance of the corresponding membrane was as high as 2.45 10－6mol•m－2•s－1•Pa－1 and H2/N2 selectivity over 700 at 623K and a pressure difference of 0.1MPa. The main resistance of the composite membrane to H2 permeation lies in the aluminum ceramic support rather than the thin Pd layer.

Key words: palladium membrane, non-electrical plating, hydrogen separation

张科, 高会元, 芮泽宝, 林跃生, 李永丹. 钯复合膜的制备及其在氢气氮气分离中的应用[J]. CIESC Journal.

ZHANG Ke, GAO Huiyuan, RUI Zebao, LIN Yuesheng, LI Yongdan. Preparation of thin palladium composite membranes and application to hydrogen/nitrogen separation[J]. .

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钯复合膜的制备及其在氢气氮气分离中的应用

Preparation of thin palladium composite membranes and application to hydrogen/nitrogen separation

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