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题名: A modified electroless plating technique for thin dense palladium composite membranes with enhanced stability
作者: Zhang, Xiaoliang1, 2;  Xiong, Guoxing1;  Yang, Weishen1
通讯作者: 熊国兴
关键词: palladium membrane ;  vacuum electroless plating ;  hydrogen separation ;  mixtures ;  stability
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2008-04-30
DOI: 10.1016/j.memsci.2008.01.051
卷: 314, 期:1-2, 页:226-237
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 504
产权排名: 1;1
WOS标题词: Science & Technology ;  Technology ;  Physical Sciences
类目[WOS]: Engineering, Chemical ;  Polymer Science
研究领域[WOS]: Engineering ;  Polymer Science
英文摘要: Thin dense Pd/Al2O3 composite membranes were prepared by a vacuum electroless plating technique. By the influence of vacuum effect on the both sides of tubular substrate, thin dense Pd composite membranes with finer and more uniform microstructure were rapidly deposited. These features would significantly improve hydrogen permeation performance and enhance stability as compared with the conventional electroless plating method. Hydrogen permeance of these membranes up to 22.4 m(3)/m(2) It bar and the ideal permselectivity over 3000 were obtained at 500 degrees C. These membranes were stable over a period of 470 h and over 10 temperature cycles and gas-exchanging cycles over the temperature range of 350-480 degrees C under H-2 or Ar atmosphere without any significant changes for hydrogen permeation performance. Moreover, the chemical stability of these membranes in the various H-2-X (X = Ar, N-2, steam, CO2, CH4 and CO) mixtures were investigated. These membranes exhibited good stability over a period of 2000 h and could resist temperature fluctuations under the operating conditions. (C) 2008 Elsevier B.V. All rights reserved.
关键词[WOS]: POROUS STAINLESS-STEEL ;  HYDROGEN SEPARATION ;  PERMEATION ;  DEPOSITION ;  PD ;  TUBE ;  FABRICATION ;  REACTORS ;  SUPPORT ;  H-2
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000255994600025
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/100313
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Zhang, Xiaoliang,Xiong, Guoxing,Yang, Weishen. A modified electroless plating technique for thin dense palladium composite membranes with enhanced stability[J]. JOURNAL OF MEMBRANE SCIENCE,2008,314(1-2):226-237.
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