期刊
JOURNAL OF MEMBRANE SCIENCE
卷 213, 期 1-2, 页码 285-291出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0376-7388(02)00513-6
关键词
carbon membranes; thermastabilization; pyrolysis; soak time; purge gas
The hollow fiber membranes were fabricated using the dry/wet spinning process while polyacrylonitrile (PAN) carbon hollow fiber membranes were produced using inert gas pyrolysis process. The influences of the thermastabilization conditions and soak time on carbon membrane performance were investigated. It was observed that oxidative thermastabilization atmosphere produced carbon membranes with high stability while longer soak time improved the membrane selectivity and reduced the membrane's permeability. (C) 2002 Elsevier Science B.V. All rights reserved.
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