渗透蒸发分离水—乙醇研究──Ⅰ．乙醇水溶液与多元反应体系分离特征  

SEPARATION OF WATER-ETBANOL BY PERVAPORATION──Ⅰ. SEPARATION CHARACTERISTICS OF ETHANOL AQUEOUS SOLUTION AND MULTICOMPONENT REACTING SYSTEM

作　　者：倪秀元[1] 许振良[1] 施亚钧 胡钺芳 

机构地区：[1]华东理工大学

出　　处：《水处理技术》1994年第5期271-277,共7页Technology of Water Treatment

基　　金：国家化学工程重点实验室资助

摘　　要：以聚酰胺羧酸为膜材料，考察了制膜条件、化学改性对膜亲水性及水－乙醇分离性能的影响；针对戊酸与乙醇的酯化反应，测定了改性膜对多元反应体系的分性能，并初步分析了膜分离过程对酯化反应的影响。Based on polyamide acid material, the homogeneous membranes were prepared, and the effects of the conditions for membrane preparation and chemical modification on the membranes'hydrophilicity and separation properties were showed here. For the multicomponent esterification reacting system of valeric acid with ethanol, the pervaporation experiments with the modified membrane were investigated, and the influence of pervaporation separation on the esterification process was also analysed.

关 键 词：渗透蒸发 膜材料 聚酰胺羧酸 水 乙醇 膜分离 

分 类 号：TQ028.8[化学工程]