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Surface Electrokinetic Behavior of PVDF Hollow Fiber Ultrafiltration Membrane Modified by Low- Temperature Plasma Method
Author(s): 
Pages: 54-57
Year: Issue:  6
Journal: Environmental Science and Management

Abstract: 为减轻膜污染以丙烯酸和丙烯酰胺为接枝单体,对聚偏氟乙烯中空纤维超滤膜用低温等离子体方法进行改性.用流动电位法,测定电解质溶液中膜的流动电位并研究电解质溶液的种类、浓度及pH值的影响,对比改性前后的膜流动电位变化情况.结果表明,流动电位绝对值随着电解质浓度的增大而减小,随着电解质溶液中阳离子价态的升高而减小;改性后膜的zeta电位略高于原膜.
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