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题名: Deposition of sol-gel derived membranes on alpha-Al2O3 hollow fibers by a vacuum-assisted dip-coating process
作者: Pan, XL;  Stroh, N;  Brunner, H;  Xiong, GX;  Sheng, SS
关键词: vacuum-assisted dip-coating ;  hollow fiber ;  catalytic membrane ;  H-2 separation
刊名: JOURNAL OF MEMBRANE SCIENCE
发表日期: 2003-12-01
DOI: 10.1016/j.memsci.2003.07.019
卷: 226, 期:1-2, 页:111-118
收录类别: SCI
文章类型: Article
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: A vacuum-assisted dip-coating process has been developed for the deposition of sol-gel derived membranes on thin-walled ceramic hollow fibers. A vacuum is applied on the opposite side of the membrane layer during dipping. Homogeneous gamma-Al2O3 and Pd-gamma-Al2O3 (1) membranes have been obtained in this way. The membranes are proved to be suitable for H-2 enrichment, because the gas transport is mainly controlled by Knudsen diffusion. The obtained asymmetric gamma-Al2O3/alpha-Al2O3 and Pd-gamma-Al2O3/alpha-Al2O3 fibers can further serve as substrates for very thin dense Pd membranes. These asymmetric membranes combine the high ratio of membrane area-to-volume of hollow fibers with the well known advantages of ceramic supports, namely good mechanical, thermal and chemical stability, which are attractive for gas separation and membrane catalysis at elevated temperatures. (C) 2003 Elsevier B.V. All rights reserved.
关键词[WOS]: CATALYTIC MEMBRANE ;  ALUMINA MEMBRANES ;  REACTORS ;  DEHYDROGENATION
语种: 英语
WOS记录号: WOS:000186812100010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138291
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.Fraunhofer Inst Grenzflachen & Bioverfahrenstech, D-70569 Stuttgart, Germany
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Pan, XL,Stroh, N,Brunner, H,et al. Deposition of sol-gel derived membranes on alpha-Al2O3 hollow fibers by a vacuum-assisted dip-coating process[J]. JOURNAL OF MEMBRANE SCIENCE,2003,226(1-2):111-118.
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