MECHANISMS OF SAMARIUM EXTRACTION WITH DIISOSTEARYLPHOSPHORIC ACID AND ITS PERMEATION THROUGH SUPPORTED LIQUID MEMBRANE

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著者

    • KONDO Kazuo
    • Department of Chemical Engineering and Materials Science, Doshisha University
    • HASHIMOTO Tetsuya
    • Department of Chemical Engineering and Materials Science, Doshisha University
    • SUMI Hisaharu
    • Department of Chemical Engineering and Materials Science, Doshisha University

抄録

The extraction equilibrium of samarium (Sm) with diisostearylphosphoric acid (DISPA, HR) was measured at 303 K. The complex, SmR<SUB>3</SUB>, was formed, unlike in the case of dialkylphosphoric acids investigated previously. The extraction rate of Sm with DISPA was measured using a stirred transfer cell. The extraction rates were limited by the diffusion process. The permeation of samarium through a supported liquid membrane containing DISPA as a carrier was carried out based on the above results. Under the experimental conditions, the diffusion of samarium in the film of the aqueous feed or the diffusion of the complex in the membrane phase was anticipated to be the rate-determining step.

収録刊行物

  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 28(5), 511-516, 1995-10 

    The Society of Chemical Engineers, Japan

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各種コード

  • NII論文ID(NAID)
    10002134300
  • 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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