Liquid-liquid equilibria for toluene/heptane plus phenol/cresols plus ethylene glycol system

被引：11
|
作者：
Dai, Fangfang [1 ,2 ]
He, Gaoyin [1 ]
Xin, Kun [1 ]
Shi, Midong [1 ]
Li, Jun [3 ]
Li, Qingsong [1 ]
机构：
[1] China Univ Petr East China, Coll Chem Engn, State Key Lab Heavy Oil Proc, Qingdao 266580, Shandong, Peoples R China
[2] Shaanxi Univ Sci & Technol, Minist Educ, Key Lab Auxiliary Chem & Technol Chem Ind, Xian 710021, Shaanxi, Peoples R China
[3] China Univ Petr East China, Coll Chem Engn, Dept Chem Engn, Qingdao 266580, Shandong, Peoples R China
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 2017年 / 115卷
关键词：
Liquid-liquid equilibria; Coal tar; Toluene; Phenols; Ethylene glycol; TERNARY-SYSTEMS; PHASE-EQUILIBRIA; MIXTURES; EXTRACTION; BINARY; UNCERTAINTY; PHENOL; WATER; ACID; COAL;
D O I：
10.1016/j.jct.2017.07.029
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Liquid-liquid equilibria data for the mixture of toluene/heptane + phenol, o-, m-or p-cresol + ethylene glycol were studied at 323.15 K and at 101.3 kPa. The tie lines in ternary phase diagrams indicate phenols are more soluble in ethylene glycol than in toluene/heptane. The distribution coefficient and selectivity were calculated according to the LLE data. The calculation results suggest that ethylene glycol is an available solvent for the extraction application. The root-mean-square deviation (RMSD) values of the NRTL and UNIQUAC models demonstrate that both of the two models can fit the experimental data very well. (C) 2017 Published by Elsevier Ltd.
引用
收藏
页码：91 / 97
页数：7
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