Mass Transfer Efficiency of Membrane Solvent Extraction in Laminar Cocurrent Flow in Concentric Circular-Tube Modules

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The predicting equations for the mass-transfer rate and mass-transfer efficiency in a concentric circular membrane extractor module under concurrent-flow with various barrier locations were theoretically derived by calculating the mass balance on each subchannel. The separation variable with an orthogonal expansion technique extended in power series was used to obtain the analytical solution. The mass-transfer efficiency enhancement in this study is represented graphically with the volumetric flow rate, flow pattern and permeable-barrier location as parameters. Improvements in the extraction rate, extraction efficiency and mass transfer efficiency can be achieved by setting the barrier location moving away from a subchannel thickness ratio of <I>κ</I> = 0.5. The influences of the barrier location, extraction-phase flow rate, raffinate-phase flow rate and the acetic acid concentration of the raffinate phase in the membrane extractor are also discussed.

収録刊行物

  • Journal of chemical engineering of Japan

    Journal of chemical engineering of Japan 41(4), 254-263, 2008-04-01

    The Society of Chemical Engineers, Japan

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各種コード

  • NII論文ID(NAID)
    10021110004
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00219592
  • NDL 記事登録ID
    9462810
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z53-R395
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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