VAPOR-PERMEATION SEPARATION OF WATER-ETHANOL MIXTURES BY ASYMMETRIC POLYIMIDE HOLLOW-FIBER MEMBRANE MODULES
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概要
- 論文の詳細を見る
Vapor-permeation separation of water-ethanol mixtures by asymmetric polyimide hollow-fiber membrane modules was carried out in a countercurrent flow pattern and in a both-end-opened pattern to investigate membrane performance and the effects of operating factors on the membrane module responses. The specific permeability coefficient of water vapor for the fibers was about 4 × 10–7 mol/(m2·s·Pa) at 378K, which was about 500 times that of ethanol vapor. The experimental results of membrane module responses for enrichment of ethanol composition at feed outlet, XRE, up to 99.7wt% were in good agreement with the results calculated from a conventional model. The both-end-opened flow pattern was much superior to the countercurrent one, especially for high-level enrichment, because of reduced buildup of permeate pressure inside the hollow fibers. The calculation showed optimum inside diameter and length of the hollow-fibers, depending on XRE and feed-side pressure.
- 社団法人 化学工学会の論文
- 1992-08-20
著者
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OKAMOTO Ken-ichi
Department of Chemistry, University of Tsukuba
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TANAKA Kazuhiro
Department of Neurosurgery, Kobe University Graduate School of Medicine
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岡本 研
日本医科大学大学院医科生物化学分野
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田中 一宏
(株)山口大学大学院理工学研究科環境共生系専攻
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KITA Hidetoshi
Department of Advanced Materials Science and Engineering, Yamaguchi University
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TANIHARA Nozomu
Department of Advanced Materials Science and Engineering, Faculty of Engineering, Yamaguchi Universi
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NAKAMURA Asumaru
Corporate Research and Development, Ube Industries Ltd.
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KUSUKI Yoshihiro
Chiba Laboratory, Corporate Research and Development, Ube Industries Ltd.
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NAKAGAWA Kanji
Chiba Laboratory, Corporate Research and Development, Ube Industries Ltd.
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Nakagawa Kanji
Chiba Laboratory Corporate Research And Development Ube Industries Ltd.
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Kita H
Department Of Advanced Materials Science And Engineering Yamaguchi University
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Kita Hidetoshi
Department Of Advanced Materials Science And Engineering Faculty Of Engineering Yamaguchi University
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Tanihara Nozomu
Department Of Advanced Materials Science And Engineering Faculty Of Engineering Yamaguchi University
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Okamoto Ken-ichi
Department Of Advanced Materials Science & Engineering Faculty Of Engineering Yamaguchi Universi
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Nakamura Asumaru
Corporate Research And Development Ube Industries Ltd.
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Kusuki Yoshihiro
Chiba Laboratory Corporate Research And Development Ube Industries Ltd.
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Tanaka Kazuhiro
Department Of Neurosurgery Kobe University Graduate School Of Medicine
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Tanaka Kazuhiro
Department Of Advanced Materials Science And Engineering Faculty Of Engineering Yamaguchi University
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Kita Hidetoshi
Department of Advanced Materials Science & Engineering, Faculty of Engineering, Yamaguchi University
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