Separation of ternary system (1,2-ethanediol+1,3-butanediol+1,3-propanediol) by distillation

被引：3
|
作者：
Qu, Xinchuan [1 ]
Wu, Yanyang [1 ]
Zhu, Jiawen [1 ]
Chen, Kui [1 ]
Wu, Bin [1 ]
Ji, Lijun [1 ]
机构：
[1] East China Univ Sci & Technol, Chem Engn Res Ctr, Shanghai 200237, Peoples R China
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2018年 / 53卷 / 15期
关键词：
Diols; vapor-liquid equilibria; distillation; VAPOR-LIQUID-EQUILIBRIUM; ETHYLENE-GLYCOL; BINARY-MIXTURES; MOLAR VOLUMES; 1,2-PROPANEDIOL; ENERGY; 1,3-PROPANEDIOL; EXPRESSION; WATER;
D O I：
10.1080/01496395.2018.1446985
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A study on separation of system (1,2-ethanediol (1,2-EG) + 1,3-butanediol (1,3-BD) + 1,3-propanediol (1,3-PG)) was conducted in the article. Vapor-liquid equilibria (VLE) behaviors of systems (1,2-EG + 1,3-BD), (1,2-EG + 1,3-PG), (1,2-EG + 1,3-BD + 1,3-PG) were studied at 101.3 kPa. A two-column (column C1 and column C2) sequence distillation process at normal pressure was designed and optimized to separate the ternary mixture. The results have shown Wilson model is the most appropriate one to describe the ternary system; product amounts of 1,2-EG, 1,3-BD, and 1,3-PG can be up to 0.970, 0.945, and 0.980, respectively, under optimized conditions.
引用
收藏
页码：2435 / 2443
页数：9
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