化学
优等
热力学
非随机双液模型
活度系数
沸点
汽液平衡
UNIFAC公司
硝基乙烷
群贡献法
色谱法
有机化学
相(物质)
相平衡
水溶液
物理
硝基甲烷
作者
Hsu-Chen Ku,Chein-Hsiun Tu
摘要
Vapor−liquid equilibria (VLE) were measured at 101.3 kPa, in a range of temperatures from 350.28 to 387.00 K, for five binary mixtures formed by nitroethane with ethyl acetate, propyl acetate, isopropyl acetate, methyl propionate, and ethyl propionate. Calculations of nonideality of the vapor phase were made with the Soave−Redlich−Kwong equation of state. The thermodynamic consistency of the data was tested via Herington analysis. The experimental VLE data were reduced, and binary parameters for four liquid models, such as van Laar, Wilson, NRTL, and UNIQUAC, were fitted. A comparison of model performances was made by using the criterion of average absolute deviations in boiling point and in vapor-phase composition.
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