【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。更多还原

【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.更多还原