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题名: A study of silicone rubber/polysulfone composite membranes: correlating H-2/N-2 and O-2/N-2 permselectivities
作者: Feng, XS;  Shao, PH;  Huang, RYM;  Jiang, GL;  Xu, RX
关键词: polysulfone ;  hollow fiber ;  gas separation ;  composite membrane ;  resistance model
刊名: SEPARATION AND PURIFICATION TECHNOLOGY
发表日期: 2002-06-01
卷: 27, 期:3, 页:211-223
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: Gas permeation through poly(dimethyl siloxane) coated polysulfone hollow fiber composite membranes was investigated. A semi-empirical correlation between the permselectivity to H-2/N-2 and the permselectivity to O-2/N-2 for a given membrane was developed on the basis of the phenomenological resistance model. taking into account the Knudsen diffusion through the defects that were not 'repaired' by the surface coating. This correlation can be used to predict the membrane performance for H-2/N-2 separation from the H-2/N-2 separation data, which can be obtained more economically from an air separation test. The validity of the correlation was justified with experimental data, Since H-2 is not required in evaluating the membrane performance for H-2/N-2, separation, this provides an economical tool for membrane evaluation and quality assurance in the development and manufacturing of industrial hydrogen separation membranes. Although the present work focuses on poly(dimethyl siloxane)/polysulfone composite membranes, the same approach can be applied to the other so-called 'resistance model' type of membranes. (C) 2002 Elsevier Science B.V. All rights reserved.
关键词[WOS]: HOLLOW-FIBER MEMBRANES ;  ASYMMETRIC POLYSULFONE MEMBRANES ;  GAS SEPARATION PERFORMANCE ;  WET PHASE INVERSION ;  PERMEATION ;  MODEL ;  DRY
语种: 英语
WOS记录号: WOS:000176224100003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/139049
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.Univ Waterloo, Dept Chem Engn, Waterloo, ON N2L 3G1, Canada
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian, Peoples R China

Recommended Citation:
Feng, XS,Shao, PH,Huang, RYM,et al. A study of silicone rubber/polysulfone composite membranes: correlating H-2/N-2 and O-2/N-2 permselectivities[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2002,27(3):211-223.
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