Study on Pervaporation Membranes for Removing Methanol from C5 or Methyl Tert-butyl Ether Mixtures

被引：0
|
作者：
张林
陈欢林
周志军
钱锦文
高从堦
潘祖仁
机构：
[1] Development Center of Water Treatment Technology
[2] Zhejiang University
[3] College of Material Science & Chemical Engineering
[4] Hangzhou 310012
[5] Zhejiang University Hangzhou 310027
[6] SOA
[7] China
来源：
Chinese Journal of Chemical Engineering | 2003年 / 02期
关键词：
pervaporation membrane; methanol; C5; methyl tert-butyl ether; blend;
D O I：
暂无
中图分类号：
TQ202 [化工过程];
学科分类号：
081701 ;
摘要：
Several pervaporation membranes, cellulose acetate (CA), polyvinylbutyral (PVB), poly(MMA-co-AA), MMA-AA-BA, CA/PVB blend and CA/poly(MMA-co-AA) blend, were prepared, and their pervaporation properties were evaluated by separation of methanol/C5 or methanol/MTBE (methyl tert-butyl ether). The results shows that the CA composite membrane has a high separation performance (flux Jmenthanol =350g.m-2.h-1 and separation factor a > 400) for methanol/C5 mixtures, and the pervaporation characteristics of MMA-AA-BA copolymer membranes changes with the ratio of copolymer. For CA/poly(MMA-co-AA) blend membrane, the pervaporation performance is improved in comparison with CA or poly(MMA-co-AA) membrane. From the experiment of CA/PVB blend membranes for methanol/MTBE mixture, it is found that the compatibility of blends may affect the separation features of blend membrane.
引用
收藏
页码：36 / 41
页数：6
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