蒸汽渗透法脱除丙烯中微量水分的研究  

STUDY ON DEHYDRATION OF PROPYLENE VAPOR MIXTURES THROUGH VAPOR PERMEATION

作　　者：王洪军[1] 赵莎莎[1] 王丹[1] 张丽[1] 刘家祺[2] 

机构地区：[1]长春工业大学化工学院,吉林长春130012 [2]天津大学化工学院,天津300072

出　　处：《水处理技术》2010年第4期36-40,共5页Technology of Water Treatment

基　　金：吉林省科技发展计划重大项日(20060407)

摘　　要：采用涂敷法制备了CS/PS、PVA/PS、PVA-CS/PS中空纤维复合膜并用于气相丙烯中微量水分的脱除。研究了PS基膜、原料气湿含量、流速及吹扫气流速等因素对蒸汽渗透分离性能的影响。结果表明,这些复合膜均具有良好的分离性能,其中CS-PVA/PS中空纤维复合膜具有最优的蒸汽渗透性能。The CS/PS, PVA/PS, CS-PVA/PS hollow fiber composite membranes were prepared with coating method. Vapor permeation performance of these membranes for dehydration of propylene vapor mixtures was studied. The PS base membrane ,the feed concentration, flow rate, and the flow rate of the sweeping gas which might affect performances of composite membranes, were studied. The result showed that the properties of these kinds of membranes are better, but the best is PVA-CS/PS membrane. It possesses the biggest productivity.

关 键 词：蒸汽渗透 壳聚糖 聚乙烯醇 聚砜 丙烯 中空纤维复合膜 

分 类 号：TQ028.8[化学工程]