Determination and Correlation of Liquid-Liquid Equilibrium Data for the Systems Toluene-n-Heptane-Sulpholane and Sulpholane-n-Heptane-Water

刘伊芙; 谢荣锦; 葛坚勇; 王保璟

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Determination and Correlation of Liquid-Liquid Equilibrium Data for the Systems Toluene-n-Heptane-Sulpholane and Sulpholane-n-Heptane-Water

更新时间：2025-12-16

- Determination and Correlation of Liquid-Liquid Equilibrium Data for the Systems Toluene-n-Heptane-Sulpholane and Sulpholane-n-Heptane-Water
- CIESC Journal Issue 4, (1985)
- 作者机构：
  
  浙江大学,浙江大学,浙江大学,大连工学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 December 1985，
  
  Published：25 December 1985
- 稿件说明：
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刘伊芙, 谢荣锦, 葛坚勇, et al. Determination and Correlation of Liquid-Liquid Equilibrium Data for the Systems Toluene-n-Heptane-Sulpholane and Sulpholane-n-Heptane-Water[J]. CIESC Journal, 1985, (4).
DOI：

刘伊芙, 谢荣锦, 葛坚勇, et al. Determination and Correlation of Liquid-Liquid Equilibrium Data for the Systems Toluene-n-Heptane-Sulpholane and Sulpholane-n-Heptane-Water[J]. CIESC Journal, 1985, (4). DOI：

摘要

本文测定了甲苯-正庚烷-环丁砜三元体系在30℃和50℃下的液液分层曲线和结线数据

采用了以液液分层曲线和体系物性相结合的分析方法

获得了可靠的数据.本文还测定了环丁砜—正庚烷-水三元体系在50℃下的液液分层曲线

作出了结线.对前一休系的数据进行了热力学关联

求出30℃及50℃时UNIQUAC方程参数.对两个体系均用UNIFAC方法进行预测.计算所得结果相当满意.

Abstract

Binodal curves and conjugate the lines were determined for the toluene -n-heptane-sulpholane ternary system at 30℃ and 50℃

and for the sul-oholane-n-heptane-water ternary system at 50℃. From these curves andany of the physical properties of the saturated solutions

such as refractive index or density

the equilibrium liquid-liquid compositions of the two ternary systems were found. The UNIQUAC equation was used to correlate the liquid-liquid equilibrium data of the first ternary system

including the UNIQUAC parameters at 30℃ and 50℃

and the UNIFAC method was used to predict the liquid-liquid equilibrium data of both ternary systems. Agreement between calculated and experimental data is satisfactory.

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