A型分子筛膜在分离乙二醇水溶液中的应用  

Separation of ethylene glycol/water mixture with A-type zeolite membrane

作　　者：黄彦科[1] 徐文清[1] 杨维慎[2] 朱凌辉[1] 谭振明[1] 

机构地区：[1]中国石油独山子石化公司研究院,新疆独山子833600 [2]中科院大连化学物理研究所,辽宁大连116023

出　　处：《化工进展》2006年第9期1110-1113,1116,共5页Chemical Industry and Engineering Progress

摘　　要：采用抽空涂晶二次生长法成功地合成出了A型分子筛膜,研究了乙二醇水溶液在A型分子筛膜上的渗透气化和蒸气渗透分离性能,考察了温度、浓度对渗透通量的影响,完成了1000h的稳定性实验。结果表明,A型分子筛膜对EG水溶液具有非常高的分离选择性和稳定性,分离系数达到10000,在120℃透量达到10kg/(m2·h)。A-type zeolite membrane was synthesized by the vacuum seeding and secondary growth method. The pervaporation and vapor permeation processes for the separation of ethylene glycol/water mixture, and the effect of separation temperature and EG concentration on the flux were studied. The separation stability of the A-type zeolite membrane reached more than 1 000 h. The separation selectivity and stability were kept at a high value, and the separation factor and flux at 120℃ were 10 000 and 10 kg · m^-2 · h^-1 respectively.

关 键 词：A型分子筛膜 乙二醇 渗透气化 

分 类 号：TQ223[化学工程—有机化工]