Kinetic Study on the Extraction of Aluminum and Beryllium by Mono(2-ethylhexyl)phosphoric Acid

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The kinetics of aluminum and beryllium extraction by mono(2-ethylhexyl)phosphoric acid (M2EHPA) is studied using a stirred transfer cell. M2EHPA has high surface activity and forms reverse micelles in the organic phase. The formation of a 1:1 complex of the metal ion and the dissociated M2EHPA anion in the aqueous phase is found to be rate-determining. The formation of reverse micelles does not affect the extraction rate, and rapid attainment of the extraction equilibria observed otherwise in the shaking experiments is considered to be caused by the large interfacial area due to the lowering of interfacial tension.

収録刊行物

  • Journal of chemical engineering of Japan  

    Journal of chemical engineering of Japan 32(2), 245-247, 1999-04 

    The Society of Chemical Engineers, Japan

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各種コード

  • NII論文ID(NAID)
    10002067531
  • NII書誌ID(NCID)
    AA00709658
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    00219592
  • NDL 記事登録ID
    4702227
  • 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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