Determination and correlation of liquid-liquid equilibria for four binary N,N-dimethylformamide plus hydrocarbon systems

被引：22
|
作者：
Matsuda, Hiroyuki [1 ]
Taniguchi, Daisuke [1 ]
Hashimoto, Junichi [1 ]
Kurihara, Kiyofumi [1 ]
Ochi, Kenji [1 ]
Kojima, Kazuo [1 ]
机构：
[1] Nihon Univ, Dept Mat Appl Chem, Tokyo 101, Japan
来源：
FLUID PHASE EQUILIBRIA | 2007年 / 260卷 / 01期
关键词：
experimental; liquid-liquid equilibria; N; N-dimethylformamide; activity coefficient model; modified UNIFAC;
D O I：
10.1016/j.fluid.2007.03.010
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Liquid-liquid equilibrium measurements for four binary N,N-dimethylformamide + hydrocarbon (hexane, heptane, octane, and cyclohexane) systems were performed using a laser scattering technique. The experimentally determined cloud points were satisfactorily correlated with two local composition models (NRTL, and Tsuboka-Katayama's modification of the Wilson equation). In addition, the prediction of LLE by means of the modified UNIFAC (Dortmund) model was also tested. (c) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：81 / 86
页数：6
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