渗透气化膜分离技术在乙醇-水体系中的应用  

Application of Pervaporation Membrane Separation Technique in Ethanol/water Mixtures

作　　者：蒋丽芬[1] 林木森[1] 石荣荣[1] 

机构地区：[1]南京化工职业技术学院,江苏南京210048

出　　处：《化工时刊》2011年第5期34-37,共4页Chemical Industry Times

摘　　要：渗透气化是一种新型的膜分离技术,因其具有独特的优势已被广泛应用于乙醇-水的分离。从渗透气化的原理和特点出发,介绍了渗透气化膜材料以及渗透气化与精馏、化学反应耦合等技术,并概述了国内外渗透气化膜分离技术在乙醇-水分离中的应用现状。Being a new membrane separation technique,pervaporation has great advantages in ethanol and water separation.The characteristics and principles of pervaporation,membrane materials,and techniques of pervaporation integrated with fine distillation and reaction were introduced in this paper.In the end,the present status of pervaporation in ethanol industrial application was also summarized.

关 键 词：渗透气化膜技术 乙醇 精馏 

分 类 号：TQ028.8[化学工程]