Liquid-liquid equilibrium of binary and ternary systems composed by palm oil or palm oil fractions with methanol/ethanol and water

被引：16

作者：

Huang, Xin ^{[1
,2
]}

Bi, Jingtao ^{[1
]}

Wang, Jingkang ^{[1
,2
]}

Ouyang, Jinbo ^{[1
]}

Xiao, Yan ^{[1
]}

Hao, Hongxun ^{[1
,2
]}

Bao, Ying ^{[1
,2
]}

Wang, Yongli ^{[1
,2
]}

Yin, Qiuxiang ^{[1
,2
]}

机构：

[1] Tianjin Univ, State Key Lab Chem Engn, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China

[2] Collaborat Innovat Ctr Chem Sci & Chem Engn, Tianjin 300072, Peoples R China

来源：

FLUID PHASE EQUILIBRIA | 2015年 / 404卷

基金：

中国国家自然科学基金;

关键词：

Palm oil; Liquid-liquid equilibrium; NRTL model; UNIFAC model; MODIFIED UNIFAC MODEL; VEGETABLE-OILS; SOYBEAN OIL; ANHYDROUS ETHANOL; BIODIESEL; TRANSESTERIFICATION; MIXTURES; ESTERS; PREDICTION; PRESSURE;

D O I：

10.1016/j.fluid.2015.06.028

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The liquid-liquid equilibrium (LLE) of systems containing palm oil or palm oil fractions, short chain alcohols (methanol/ethanol) and water were experimentally determined in the temperature range from (293.15 to 333.15) K under atmospheric pressure. It was found that the mutual solubility of palm oil and short chain alcohols increased with the increasing of temperature. The inclusion of water in the solvents decreased the mutual solubility of the systems. Two thermodynamic models (NRTL and UNIFAC) were employed to correlate the experimental liquid-liquid equilibrium data by treating palm oil as a single triacylglycerol with average molar mass. The calculated results showed that the NRTL model can give better correlation results than the UNIFAC model. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：17 / 25

页数：9

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