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Transport of Cu(II) Ions Through Charged Cation-Exchange Membranes

机译:Cu(II)离子通过带电荷的阳离子交换膜的传输

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摘要

Transport of Cu(II) ions through polysulfonated cation-exchange membranse under Donnan dialysis conditions was studied as a function of the pH gradient.The used charged membranes are homogeneous (polysulfone composition) and heterogeneous (polysulfone with polyester support) structures which are strongly acidic cation-exchange microporous-type membranes.The flux increases with decreasing of the pH gradient,which is influenced by the transport of copper ions.The quantitative relations were obtained which describe the time dependence of the transport system with the equilibrium distribution and the results were correlated with the flux data as well as with the membrane structure.
机译:研究了Donnan透析条件下Cu(II)离子通过聚磺化阳离子交换膜的迁移与pH梯度的关系。使用的带电膜是均质的(聚砜成分)和非均质的(聚砜与聚酯载体)结构,呈强酸性阳离子交换微孔型膜。通量随pH梯度的降低而增加,这受铜离子迁移的影响。获得了定量关系,描述了传输系统与平衡分布的时间依赖性,结果是与通量数据以及膜结构相关。

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