Measurements and thermodynamic modeling of liquid-liquid equilibria in ternary system 2-methoxy-2-methylpropane plus p-cresol plus water

被引：15

作者：

Luo, Liejin ^{[1
]}

Liu, Dong ^{[1
]}

Li, Libo ^{[1
]}

Chen, Yun ^{[1
]}

机构：

[1] S China Univ Technol, Sch Chem & Chem Engn, Key Lab Heat Transfer Enhancement & Energy Conser, Minist Educ, Guangzhou 510640, Guangdong, Peoples R China

来源：

CHINESE JOURNAL OF CHEMICAL ENGINEERING | 2016年 / 24卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Liquid-liquid equilibria; Solvent extraction; Waste treatment; NRTL; UNIQUAC; Simulation; PHENOL; BIODEGRADATION; MIXTURES;

D O I：

10.1016/j.cjche.2015.10.011

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Liquid-liquid equilibrium (LLE) data for the ternary system 2-methoxy-2-methylpropane (methyl tert-butyl ether) + p-cresol + water was measured at atmospheric pressure and temperatures of 298.15 K and 313.15 K. From the distribution coefficients and selectivity, it was found that 2-methoxy-2-methylpropane is an efficient solvent to extract p-cresol from waste water. The consistency of the experimental tie-line data was verified with the Hand and Bachman equations. These data were also correlated with the non-random two liquid (NRTL) and universal quasi-chemical correlation activity coefficient (UNIQUAC) models to yield binary interaction parameters for p-cresol extraction process evaluation. Both models agreed with experiments very well, yet the NRTL model showed even smaller average deviation than the UNIQUAC model. (c) 2015 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.

引用

页码：360 / 364

页数：5

共 23 条

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