Distribution Coefficient Correlations for Nitric Acid, U (VI) and Pu (IV) in Two-Phase System with Aqueous Nitric Acid and 30% Tri-n-Buthylphosphate Solutions

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抄録

Distribution coefficient correlations are obtained for nitric acid, U(VI) and Pu(IV) extracted with 30% trin-butylphosphate (TBP) diluted by n-dodecane from aqueous nitric acid solutions. The correlation functions are described as a mathematical model that takes account of activity coefficients expressed by a function of ionic strength. The correlations include the temperature effect on distribution coefficient, and works successfully for the experimental distribution coefficients in the literature within the temperature range of 10 to 70°C. The concentrations of nitric acid, U(VI) and Pu(IV) in a multi-stage extraction experiment previously reported have been simulated well with the new distribution correlations at room and elevated temperatures.

収録刊行物

  • Journal of nuclear science and technology  

    Journal of nuclear science and technology 34(7), 700-707, 1997-07-25 

    Atomic Energy Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002077582
  • NII書誌ID(NCID)
    AA00703720
  • 本文言語コード
    ENG
  • 資料種別
    ART
  • ISSN
    00223131
  • NDL 記事登録ID
    4260279
  • NDL 雑誌分類
    ZM35(科学技術--物理学)
  • NDL 請求記号
    Z53-A460
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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