Uranium Isotope Exchange between Gaseous UF_6 and Solid UF_5

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A new rate equation is derived for uranium isotope exchange reaction between gaseous UF<SUB>6</SUB> and solid UF<SUB>5</SUB> by assuming the total number of UF<SUB>5</SUB> molecules on the particle surfaces to depend on time. The reaction parameters included in the equation are determined from the experimental results, and are compared with the previous ones. The rate equation given in this work satisfies the related isotopic mass balance, and includes explicitly the terms related to the UF<SUB>6</SUB> density and the mean size of UF<SUB>5</SUB> particles, both of which cause an important effect on the reaction. Since the rate equation derived in this work facilitates the simulation of the reaction under various conditions, the long term behavior of a simulated exchange reaction is studied under the condition considered to be close to that in a recovery zone of the MLIS process.

収録刊行物

  • Journal of nuclear science and technology  

    Journal of nuclear science and technology 33(10), p.758-766, 1996-10-25 

    Atomic Energy Society of Japan

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各種コード

  • NII論文ID(NAID)
    10002075572
  • 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
    4079941
  • 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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