Liquid-Liquid Equilibria for Acetone plus Several Citrates Aqueous Two-phase Systems at Different Temperatures

被引：0
|
作者：
Hu, Shiping [1 ]
Han, Juan [1 ]
Yan, Yongsheng [1 ]
Hu, Yutao [1 ]
机构：
[1] Jiangsu Univ, Sch Chem & Chem Engn, Zhenjiang 212013, Peoples R China
来源：
CHEMICAL ENGINEERING AND MATERIAL PROPERTIES II | 2012年 / 549卷
关键词：
Liquid-liquid equilibria; Acetone; aqueous two-phase system; EXTRACTION; WATER;
D O I：
10.4028/www.scientific.net/AMR.549.30
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Liquid-liquid equilibria for the three kinds of the ternary systems acetone + ammonium, sodium or potassium citrate + water have been determined at T= (273.15, 283.15, and 298.15) K. Binodal curves, tie-lines, and integrated phase diagrams for the ternary systems are given. The data of the experimental bimodal curve are described with a four-parameter equation. The result also shows the temperature has little influence on the liquid-liquid equilibrium within the investigated range. The tie-line data calculated according to the bimodal data fitting equation and the lever arm rule were satisfactorily described by using the Othmer-Tobias and Bancroft equations, and the result conform the reliability of the calculation method and corresponding tie-line data.
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页码：30 / 35
页数：6
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