研究了流动电位和Zeta电位与无机盐溶液的浓度及测试压力的关系,以及随操作压力、无机盐溶液种类和浓度等因素的变化荷电膜对无机盐溶液截留性能的影响.结果表明,荷电膜由于离子吸附而带有负电荷,在低浓度溶液中荷电膜的表面电学性能对膜的截留性能有重要影响,而在高浓度溶液中荷电膜电性能的影响不大.
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