Liquid-liquid equilibria of three ternary systems: 2-propanone-glycerol-methanol, 2-butanone-glycerol-ethanol, and 2-butanone-glycerol-2-propanol in the range of 283.15 to 303.15 K

被引：13

作者：

Katayama, H ^{[1
]}

Hayakawa, T ^{[1
]}

Kobayashi, T ^{[1
]}

机构：

[1] Hosei Univ, Dept Chem Mat, Koganei, Tokyo 184, Japan

来源：

FLUID PHASE EQUILIBRIA | 1998年 / 144卷 / 1-2期

关键词：

experimental method; mixture; liquid-liquid equilibria; 2-propanone; 2-butanone; glycerol;

D O I：

10.1016/S0378-3812(97)00254-9

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Liquid-liquid equilibria (LLE) of two binary systems 2-propanone-glycerol and 2-butanone-glycerol were measured in the range of 283.15 to 303.15 K at 5 K intervals. The three ternary systems: 2-propanone-glycerol-methanol, 2-butanone-glycerol-ethanol, and 2-butanone-glycerol-2-propanol were also measured at 283.15, 293.15 and 303.15 K. Since the binary systems, 2-propanone-methanol, 2-butanone-ethanol and 2-butanone-2-propanol, make azeotropes at atmospheric pressure, they cannot be separated to each component by an ordinary distillation. Glycerol, which is partially miscible to 2-propanone and 2-butanone, was found to be one of very interesting solvents in separating the mixtures of 2-propanone-methanol and 2-butanone-2-propanol by liquid extraction. Results were successfully correlated with the UNIQUAC model. (C) 1998 Elsevier Science B.V.

引用

页码：157 / 167

页数：11

共 11 条

[1] STATISTICAL THERMODYNAMICS OF LIQUID-MIXTURES - NEW EXPRESSION FOR EXCESS GIBBS ENERGY OF PARTLY OR COMPLETELY MISCIBLE SYSTEMS [J].