Liquid-liquid equilibrium for the ternary systems water+2-methyl-1-propanol + butyl acetate and water+2-methyl-2-propanol + butyl acetate at (298.15 and 323.15) K

被引：25
|
作者：
Xu, Dongmei [1 ]
Wu, Chunxia [2 ]
Zhang, Qing [2 ]
Zhang, Huan [2 ]
Wang, Yinglong [2 ]
Gao, Jun [1 ]
机构：
[1] Shandong Univ Sci & Technol, Coll Chem & Environm Engn, Qingdao 266590, Peoples R China
[2] Qingdao Univ Sci & Technol, Coll Chem Engn, Qingdao 266042, Peoples R China
来源：
FLUID PHASE EQUILIBRIA | 2014年 / 381卷
基金：
中国国家自然科学基金;
关键词：
LLE; Butyl acetate; 2-Methyl-1-propanol; 2-Methyl-2-propanol; IONIC LIQUID; PLUS WATER; ACID PLUS; EXTRACTION; MIXTURES; ETHANOL; HEPTANE;
D O I：
10.1016/j.fluid.2014.08.014
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Liquid-liquid equilibrium (LLE) data for the ternary system water + 2-methyl-1-propanol + butyl acetate and water + 2-methyl-2-propanol + butyl acetate were measured at the temperature T=(298.15 and 323.15) K and under atmospheric pressure, respectively. Both the Othmer-Tobias and Bachman equations were used to test the reliability of the experimental data. Moreover, the NRTL and UNIQUAC activity coefficient models were applied to correlate the determined data, and the result showed that the UNIQUAC and the NRTL models both could correlate the two systems studied well at the same conditions. In addition, distribution ratios and separation factors in the two ternary systems were calculated using the equations from the experimental liquid liquid equilibrium data and discussed in detail. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：60 / 66
页数：7
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