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Na~+-UO_2~(2+)二元离子交换体系中树脂体积发生变化时的动力学

Na~+-UO_2~(2+)二元离子交换体系中树脂体积发生变化时的动力学[J]. 核化学与放射化学, 1995, 17(2): 91-91.
引用本文: Na~+-UO_2~(2+)二元离子交换体系中树脂体积发生变化时的动力学[J]. 核化学与放射化学, 1995, 17(2): 91-91.

Na~+-UO_2~(2+)二元离子交换体系中树脂体积发生变化时的动力学

  • 摘要: 提出了Na ̄+-UO ̄(2+)_2二元离子交换体系中树脂体积发生变化时的动边界模型数学表达式;探讨了不同实验条件下Na ̄+-UO ̄(2+)_2离子交换反应机理,计算了扩散系数。结果表明,用此模型处理该体系的交换反应动力学是成功的。
    Abstract: THE KINETICS OF BINARY SYSTEM WITH CHANGING RESIN VOLUME DURING ION EXCHANGESONG YINJIE;YANG QINGDONG;ZHAOAIMIN(Department of Modern Physics,Lanzhou University,Lanzhou 730000)ABSTRACT A mathematical model the moving boundary mechanism with changimn exchanger volumeduring ion exchange in binary system of is presented.The kinetic data observed on001×7 strong acidic cation exchange resin are treated by the model,the mechanism of ion ex-change reaction and under various experimental conditions is discussed,and the diffusion coefficients are calculated.The conformitv of this model with experimental re-sults is demonstrated.Key words Binary system Moving boundary model Resin volume Diffusion coeffi-Cient
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出版历程
  • 刊出日期:  1995-05-19

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