Liquid-Liquid Equilibrium of (Water + Pentane-2,4-dione + Ethyl Ethanoate) and (Water + Pentane-2,4-dione + Cyclohexane) at (298.15 and 313.15) K

被引：0
|
作者：
Yang, Zhidong [1 ]
Zhu, Jiawen [1 ]
Wu, Bin [1 ]
Chen, Kui [1 ]
Ye, Xiaohe [2 ]
机构：
[1] E China Univ Sci & Technol, Chem Engn Res Ctr, Shanghai 200237, Peoples R China
[2] Shanghai Wujing Chem Corp Ltd, Shanghai 200241, Peoples R China
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2010年 / 55卷 / 12期
关键词：
MIXTURES; SYSTEMS;
D O I：
10.1021/je100704j
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Liquid-liquid equilibrium (LLE) data of the solubility curves for ternary systems of water + pentane-2,4-dione + ethyl ethanoate and tie-line compositions for both of the ternary systems of water + pentane-2,4-dione + ethyl ethanoate and water + pentane-2,4-dione + cyclohexane were determined at (298.15 and 313.15) K and at a pressure of 101.3 kPa. Distribution coefficients were evaluated for the immiscible region. The reliability of the experimental tie-lines has been confirmed by using the Othmer - Tobias correlation. The experimental data were fitted using the nonrandom two-liquid (NRTL) and universal quasichemical activity coefficient (UNIQUAC) equations; parameters of these two models were regressed.
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页码：5745 / 5750
页数：6
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