Isobaric Vapor-Liquid-Liquid Equilibria for the Ternary Systems Ethanol plus Water plus Propyl Acetate and 1-Propanol + Water plus Propyl acetate

被引：19

作者：

Pla-Franco, Jordi ^{[1
]}

Lladosa, Estela ^{[1
]}

Loras, Sonia ^{[1
]}

Monton, Juan B. ^{[1
]}

机构：

[1] Univ Valencia, Escuela Tecn Super Ingn, Dept Ingn Quim, E-46100 Valencia, Spain

来源：

JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2014年 / 59卷 / 06期

关键词：

EXTRACTIVE DISTILLATION; N-HEXANE; MIXTURES; BINARY; DEHYDRATION; SEPARATION; ADSORPTION; SIMULATION; PERVAPORATION; OPTIMIZATION;

D O I：

10.1021/je500191j

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In order to break azeotropes appearing in mixtures of water and either ethanol or 1-propanol, an azeotropic distillation process is proposed using propyl acetate as entrainer. Therefore, isobaric vapor-liquid-liquid equilibrium (VLLE) data at atmospheric pressure have been obtained for the ternary systems ethanol + water + propyl acetate and 1-propanol + water + propyl acetate. Data correlation has been carried out in four different ways and a comparison between the results obtained in each correlation has been done. The set of parameters obtained from the best correlation has been used in the VLLE estimation. Effects of using propyl acetate as entrainer in the azeotropic distillation have been discussed, and a three-column distillation sequence to separate 1-propanol and water has been proposed.

引用

页码：2054 / 2064

页数：11

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