Isobaric vapor-liquid and vapor-liquid-liquid equilibrium data for the system water plus ethanol plus cyclohexane

被引：39
|
作者：
Gomis, V [1 ]
Font, A [1 ]
Pedraza, R [1 ]
Saquete, MD [1 ]
机构：
[1] Univ Alicante, Dept Ingn Quim, E-03080 Alicante, Spain
来源：
FLUID PHASE EQUILIBRIA | 2005年 / 235卷 / 01期
关键词：
water; ethanol; cyclohexane; vapor-liquid-liquid equilibrium; experimental data;
D O I：
10.1016/j.fluid.2005.07.015
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Isobaric vapor-liquid (VLE) and vapor-liquid-liquid equilibria (VLLE) were measured for the ternary system water + ethanol + cyclohexane at 101.3 kPa. The experimental determination was carried out in a dynamic equilibrium still with circulation of both the vapor and liquid phases, equipped with an ultrasonic homogenizer. The experimental data demonstrated the existence of a ternary heterogeneous azeotrope at 335.6 K with a composition of 0.188, 0.292, 0.520 mole fraction of water, ethanol and cyclohexane, respectively. The experimental data were compared with those obtained using UNIFAC and NRTL models with parameters taken from literature. (c) 2005 Elsevier B.V. All rights reserved.
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页码：7 / 10
页数：4
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