Uranium Isotope Exchange between Gaseous UF_6 and Solid UF_5

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概要

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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.

• 一般社団法人 日本原子力学会の論文
• 1996-10-25

著者

• Yato Yumio

  Power Reactor And Nuclear Fuel Development Corp.

関連論文

• Uranium Isotope Exchange between Uranium Hexafluoride and Uranium Pentafluoride
• Uranium Isotope Exchange between Gaseous UF_6 and Solid UF_5

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