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PVC基中空纤维复合纳滤膜制备及其性能表征

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Indexed by:期刊论文

Date of Publication:2017-02-28

Journal:功能材料

Included Journals:CSCD、Scopus

Volume:48

Issue:2

Page Number:2206-2210

ISSN No.:1001-9731

Key Words:纳滤膜;界面聚合;聚氯乙烯;中空纤维膜

Abstract:以聚氯乙烯(PVC)中空纤维超滤膜为基膜,以哌嗪(PIP)为水相单体、均苯三甲酰氯(TMC)为有机相单体,通过界面聚合法制备中空纤维复合纳滤膜.着重研究了水相涂覆后吹扫工艺对超薄分离层完整性及膜分离性能的影响规律,进而研究了各制膜因素的影响.所制备的纳滤膜在0.35 MPa,25 ℃条件下,对1 000 mg/L硫酸镁(MgSO4)水溶液的截留率为96.4%,相应通量为24.1 L/(m2·h).

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