ULTRAFILTRATION OF REVERSE MICELLES CONTAINING ENZYME

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著者

    • NAKAMURA Kozo
    • Department of Biological and Chemical Engineering, Gunma University
    • HAKODA Masaru
    • Department of Biological and Chemical Engineering, Gunma University

抄録

The cross-flow ultrafiltration of reverse micelles was investigated to examine the applicability of a membrane reactor for continuous enzymatic reaction. An ultrafiltration ceramic membrane module of tubular type was used to separate the Aerosol OT reverse micelles from the continuous phase of <I>iso</I>-octane. The rejection of reverse micelles as well as the permeation flux were measured at different concentrations of surfactant, water, enzyme and molar ratio of water to surfactant <I>ω<SUB>o</SUB></I>.<BR>The permeation flux decreased and the rejection of water increased with increase in the concentration of lipase, probably as a result of the higher enzyme mass adsorbed on the membrane. The rejection of reverse micelles also increased with increase in <I>ω<SUB>o</SUB></I>, which influences the diameter of reverse micelle. The permeation flux, however, could not be correlated solely with the parameter <I>ω<SUB>o</SUB></I>, and it depended on the concentration of surfactant itself when <I>ω<SUB>o</SUB></I> was less than rive. This direct influence of surfactant is supposed to be due to the adsorption of surfactant in the membrane which can change the hydrophobic property of the membrane.

収録刊行物

  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 28(1), 14-18, 1995-02 

    The Society of Chemical Engineers, Japan

参考文献:  18件

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被引用文献:  2件

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各種コード

  • NII論文ID(NAID)
    10002132978
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00219592
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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