Vapour-liquid interfacial tension of water and hydrocarbon mixture at high pressure and high temperature conditions

被引：27
|
作者：
Bahramian, A. [1 ]
Danesh, A.
Gozalpour, F.
Tohidi, B.
Todd, A. C.
机构：
[1] Univ Tehran, Inst Petr Engn, Tehran, Iran
[2] Heriot Watt Univ, Inst Petr Engn, Edinburgh EH14 4AS, Midlothian, Scotland
来源：
FLUID PHASE EQUILIBRIA | 2007年 / 252卷 / 1-2期
关键词：
interfacial tension; liquid-liquid equilibrium; water; methane; decane; cyclohexane; experimental data;
D O I：
10.1016/j.fluid.2006.12.013
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Interfacial tension values of two liquid-liquid-vapour systems, a ternary water-decane-methane and a quaternary water-cyclohexane-decane-methane, were measured using a pendant drop technique at 150 C and high pressures up to 28.1 MPa. The tested ternary mixture showed a maximum liquid-liquid interfacial tension by increasing pressure whereas it only slightly increased liquid-liquid interfacial tension in the quaternary system. The predicted interfacial tension values by some models are compared and the application of liquid-liquid interfacial tension models for predicting the liquid-vapour interfacial tension at high pressure conditions is discussed. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：66 / 73
页数：8
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