Vapor-liquid equilibria in the systems ethyl lactate plus ethanol and ethyl lactate plus water

被引：52
|
作者：
Vu, Dung T. [1 ]
Lira, Carl T. [1 ]
Asthana, Navinchandra S. [1 ]
Kolah, Aspi K. [1 ]
Miller, Dennis J. [1 ]
机构：
[1] Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA
来源：
JOURNAL OF CHEMICAL AND ENGINEERING DATA | 2006年 / 51卷 / 04期
关键词：
D O I：
10.1021/je050537y
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A simple vapor-liquid equilibrium (VLE) apparatus has been constructed to successfully measure the VLE of binary ethyl lactate systems that have relatively high differences in volatility (P-2(sat)/P-1(sat) similar to 7.0). Degassing is done in situ, reducing the experimental time considerably. Isothermal VLE of the ethyl lactate + ethanol system was measured at (40.0, 60.1, and 80.2)degrees C, and the isothermal VLE of the ethyl lactate + water system was measured at (40.0 and 60.0)degrees C. The ethyl lactate + ethanol system is slightly nonideal, and the ethyl lactate + water system forms a minimum boiling azeotrope. Isothermal data for ethanol + water were measured at 40.0 degrees C to demonstrate reliability of the apparatus.
引用
收藏
页码：1220 / 1225
页数：6
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