Liquid-liquid equilibria for quaternary mixtures of nonane plus undecane plus (benzene or toluene or m-xylene) plus sulfolane at 298.15 and 313.15 K

被引：26
|
作者：
Santiago, Rilvia S. [1 ]
Aznar, Martin [1 ]
机构：
[1] Univ Estadual Campinas, Sch Chem Engn, BR-13081970 Campinas, SP, Brazil
来源：
FLUID PHASE EQUILIBRIA | 2007年 / 253卷 / 02期
基金：
巴西圣保罗研究基金会;
关键词：
liquid-liquid equilibrium; quaternary mixtures; sulfolane;
D O I：
10.1016/j.fluid.2007.02.005
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Liquid-liquid equilibrium (LLE) data were measured for three quaternary systems containing sulfolane, nonane + undecane + benzene + sulfolane, nonane + undecane + toluene + sulfolane and nonane + undecane + m-xylene + sulfolane, at T = 298.15 and 313.15 K and ambient pressure. The experimental quaternary liquid-liquid equilibrium data have been satisfactorily represented by using NRTL and UNIFAC-LLE models for the activity coefficient. The calculated compositions based on the NRTL model were found to in a better agreement with the experiment than those based on the UNIFAC-LLE model. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：137 / 141
页数：5
相关论文
共 50 条
12345