醇-水体系汽液相平衡的盐效应及其在精馏过程的应用  

Salt Effect of Alcohol-Water System Vapor-Liquid Equilibrium and its Application in Distillation Process

作　　者：刘宝勇[1] 魏绪玲 张斌[1] 王良成[1] 杨西[1] 

机构地区：[1]兰州交通大学化学与生物工程学院,甘肃兰州730070 [2]中国石油石油化工研究院兰州化工研究中心,甘肃兰州730060

出　　处：《化工技术与开发》2014年第7期35-38,44,共5页Technology & Development of Chemical Industry

基　　金：甘肃省自然科学基金项目(213225);兰州交通大学青年科学基金项目(2013011)

摘　　要：加盐精馏是一种新型分离技术。本文讨论了盐对醇-水体系汽液相平衡的影响,并在理论上进行了探讨。进而论述了加盐精馏在醇-水体系分离过程的应用,包括溶盐精馏、加盐萃取精馏和加盐反应萃取精馏等,并讨论了它们的优缺点。最后,展望了加盐精馏分离醇-水体系的发展。Salt distillation was a new kind of separation technologies. In this paper, salt effect of alcohol-water system vapor-liquid equilibrium was summarized. And theories of salt effect were outlined. Then applications of salt distillation in alcohol-water system separation were discussed in detail, including distillation with soluble salt, extractive distillation with salt, extractive and reactive distillation with salt. At the same time, their advantages and disadvantages were also introduced. At last, future research of salt distillation for alcohol-water system was forecased.

关 键 词：醇-水体系 盐效应 加盐精馏 加盐萃取精馏 

分 类 号：TQ028[化学工程]