Separation of Benzene/Cyclohexane by Vapor Permeation through Triethylene Glycol Liquid Membrane
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概要
- 論文の詳細を見る
Vapor permeation of a benzene and cyclohexane mixture was studied using a liquid membrane of triethylene glycol (TEG), which is supported on the surface of a microporous hydrophobic membrane. Permeation experiments were conducted using a flat-type membrane cell under the conditions of atmospheric pressure on the feed side and a vacuum on the permeate side. Mixed vapors of benzene/cyclohexane and water were fed into the membrane cell by a carrier gas. The benzene vapor preferentially permeated through the TEG liquid membrane, that is, the TEG liquid membrane had a selectivity for the aromatic hydrocarbon. The separation factor for benzene over cyclohexane was around 8. This selectivity corresponded to the vapor-liquid equilibrium of hydrocarbons dissolved in TEG. Adding a salt to the TEG liquid membrane caused an increasing aromatic selectivity as well as a decreasing vapor permeation rate. This effect was examined using various salts, which were formulated using alkali metal and halogen ions. A liquid membrane of a TEG and KCl mixture showed a separation factor of over 400. KCl was the most effective agent to enhance the benzene selectivity. The ion components in the TEG liquid membrane may cause a kind of facilitated transport effect on the aromatic hydrocarbon vapor.
- 社団法人 化学工学会の論文
- 2003-09-01
著者
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ITO Akira
Department of Physics, The Cancer Institute, Japanese Foundation for Cancer Research
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YAMAGIWA KAZUAKI
Department of Chemistry and Chemical Engineering, Niigata University
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Yamagiwa K
Niigata Univ. Niigata Jpn
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Yamagiwa Kazuaki
Department Of Chemistry And Chemical Engineering Niigata University
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Yamagiwa Kazuaki
Department Of Chemical Engineering Faculty Of Engineering Niigata University
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Ito A
The Department Of Computer Science And Systems Engineering Faculty Of Engineering Yamaguchi Universi
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YAMANOUCHI Nobuhiro
Department of Chemistry and Chemical Engineering, Niigata University
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Yamanouchi Nobuhiro
Department Of Chemistry And Chemical Engineering Niigata University
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Ito Akira
Dep. Of Biochemistry And Molecular Biology Tokyo Univ. Of Pharmacy And Life Sciences School Of Pharm
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Ito Akira
Department Of Chemical Engineering Faculty Of Engineering Kyushu University
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Ito A
Kyorin Pharmaceutical Co. Ltd.
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Ito Akira
Department Of Biochemistry And Molecular Biology School Of Pharmacy Tokyo University Of Pharmacy And
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Ito Akira
Graduate School Of Engineering Kyushu University
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Ito Akira
1st Laboratory Of Soil And Fertilizer Environment Division Chugoku National Agricultural Experiment
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Yamagiwa Kazuaki
Graduate School Of Science And Technology Department Of Chemistry And Chemical Engineering Niigata U
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Ito Akira
Department Of Chemical Engineering Faculty Of Engineering Kyusyu University
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Ito Akira
Department of Chemical Engineering, Faculty of Engineering, Kyusyu University
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