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Author:

纪树兰 (纪树兰.) (Scholars:纪树兰) | 王路 (王路.) | 王乃鑫 (王乃鑫.) (Scholars:王乃鑫) | 张国俊 (张国俊.)

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CQVIP PKU CSCD

Abstract:

对共价反应型多层有机-无机复合膜组装及其渗透汽化性能进行了研究.采用经硅烷偶联剂改性后的管式陶瓷膜作为基膜,通过动态层层吸附自组装(layer-by-layer,LbL)技术在管式陶瓷膜内表面分别组装聚丙烯酸(poly acrylic acid,PAA)/聚乙烯醇(poly vinyl alcohol,PVA)/戊二醛(glutaraldehyde,GA),再通过热交联引发层间反应,生成共价键,形成稳定性较强的多层复合分离膜,并将其用于渗透汽化领域.考察了组装层数、复合时间、交联温度和PVA相对分子质量等条件对复合膜性能的影响.结果表明:当组装层数为5层、进料液温度为75℃时,有机-无机复合膜对95%的乙醇/水体系,其透过液水的质量分数为99.5%,渗透通量可达102 g/(m2·h).

Keyword:

共价键 有机-无机复合膜 层层吸附自组装(layer-by-layer,LbL)技术 渗透汽化

Author Community:

  • [ 1 ] [纪树兰]北京工业大学
  • [ 2 ] [王路]北京工业大学
  • [ 3 ] [王乃鑫]北京工业大学
  • [ 4 ] [张国俊]北京工业大学

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Source :

北京工业大学学报

ISSN: 0254-0037

Year: 2014

Issue: 4

Volume: 40

Page: 634-640

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: 1

Chinese Cited Count:

30 Days PV: 2

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