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环境化学  2015 

锶、铯在压实柯尔碱膨润土中的扩散行为

Keywords: ,,柯尔碱膨润土,扩散系数,扩散池法

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Abstract:

采用扩散池法研究了88Sr、133Cs在室温条件下、不同干密度柯尔碱膨润土中的扩散行为.研究结果表明,Cs和Sr两种元素的有效扩散系数和表观扩散系数均随柯尔碱膨润土干密度的增加而减小.Cs的表观扩散系数较Sr小,吸附分配系数较Sr大,说明柯尔碱膨润土对Cs吸附阻滞性好于Sr.

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