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对称正渗透膜制备及膜性能表征

Release Time:2019-03-11  Hits:

Indexed by: Journal Article

Date of Publication: 2013-01-01

Journal: 环境科学与技术

Included Journals: CSCD、ISTIC、PKU

Volume: 36

Issue: 12

Page Number: 10-14

ISSN: 1003-6504

Key Words: 正渗透膜; 支撑层; 内浓差极化

Abstract: 文章以聚乙烯醇、氧化石墨烯、间苯二胺和均苯三甲酰氯为制膜材料,采用溶液浇注法制备对称正渗透膜,考察各物质含量对膜性能的影响,并对膜进行结构表征和
   性能测试。结果表明,当以去离子水为原料液,2mol/L硫酸镁溶液为汲取液时,所制备正渗透膜通量为3.5LMH,盐反向通量为9.8gMH。同时,S
   EM和通量测试表明所制备正渗透膜呈无支撑层的对称结构,可以避免内浓差极化对通量造成的影响,且具有较高的抗污染性能。

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