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什么是电渗析?

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2022-01-15 14:13
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正确答案
电渗析(ED):在直流电场作用下,以电位差为推动力,利用离子交换膜的选择透过性(即理论上阳膜只允许阳离子通过,阴膜只允许阴离子通过),使水中阴、阳离子做定向移动,从而实现溶液的浓缩、淡化、精致和提纯。

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