Ethanol Stripping by Pervaporation Using Porous PTFE Membrane
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概要
- 論文の詳細を見る
In a shell-and-tube type of module containing either porous or nonporous tubular membranes, the sweeping action of a flow of inert gas in the shell side was used to strip ethanol from an aqueous ethanol solution flowing countercurrently in the tube side. A calculation of the overall mass transfer coefficient, K_G, of the membrane used was made for this system. In ethanol stripping tests using a module containing poly-tetrafluoroethylene (PTFE) tubular membranes, the K_G was found to be more affected by the liquid flow rate than the gas flow rate. Moreover, the gas side mass transfer coefficient, k_g, was estimated to be about 5×10^<-5> mol/cm^2・s・atm. The liquid side mass transfer coefficient, k_L, on the other hand, was found to increase linearly with the linear velocity of the aqueous solution. Also, at an average solution temperature range of 21 to 32℃, no significant change in the K_G was observed. Comparison of the K_G of different tubular membranes revealed that the K_G of the PTFE membrane was higher than that of polypropylene or silicone membranes under the given experimental conditions.
- 社団法人日本生物工学会の論文
- 1987-12-25
著者
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Kataoka H
Univ. Tokyo Tokyo Jpn
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MATSUMURA Masatoshi
Institute of Applied Biochemistry, University of Tsukuba
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KATAOKA HIROSHI
Institute of Applied Biochemistry, University of Tsukuba
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TAKAHASHI Joji
Institute of Applied Biochemistry, University of Tsukuba
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Kodama Hisashi
Central Research Institute Japan Tabacco Inc.
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Kataoka Hiroshi
Institute Of Applied Biochemistry University Of Tsukada
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Takahashi Joji
Insitute Of Applied Biochemistry University Of Tsukuba
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Takahashi Joji
Institute Of Applied Biochemistry University Of Tskuba
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Matsumura M
Graduate School Of Life And Environmental Science University Of Tsukuba
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Matsumura Masatoshi
Institute Of Applied Biochemistry University Of Tsukuba
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Matsumura M
Graduate School Of Agriculture University Of Tsukuba
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Matsumura Masatoshi
Agricultual Sciences University Of Tsukuba
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MOTOBU Maki
National Institute of Animal Health
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CALIBO RONNIE
Institute of Applied Biochemistry, University of Tsukada
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Calibo Ronnie
Institute Of Applied Biochemistry University Of Tsukada
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Matsumura Masatoshi
Institute Applied Biochemisry Tsukuba University
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Calibo Ronnie
Institute Of Applied Biochemistry University Of Tsukuba
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