Measurement and Correlation of Vapor-Liquid Equilibria for Hexamethyl Disiloxane + Vinyl Acetate System at 101.3 kPa

doi:10.1016/S1004-9541(14)60043-4

Chin.J.Chem.Eng. ›› 2014, Vol. 22 ›› Issue (2): 177-180.DOI: 10.1016/S1004-9541(14)60043-4

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Measurement and Correlation of Vapor-Liquid Equilibria for Hexamethyl Disiloxane + Vinyl Acetate System at 101.3 kPa

ZHANG Wenlin¹, DU Wei¹, MENG Nan¹, SUN Ruyi^1,2, LI Chunli¹

1 School of Chemical Engineering, Hebei University of Technology, Tianjin 300130, China;
2 Shijiazhuang Newthreetalent Engineering, Co., Ltd, Shijiazhuang 050000, China

Received:2012-07-12 Revised:2012-11-23 Online:2014-01-28 Published:2014-02-05
Contact: ZHANG Wenlin

Measurement and Correlation of Vapor-Liquid Equilibria for Hexamethyl Disiloxane + Vinyl Acetate System at 101.3 kPa

张文林¹, 杜威¹, 孟楠¹, 孙如意^1,2, 李春利¹

1 School of Chemical Engineering, Hebei University of Technology, Tianjin 300130, China;
2 Shijiazhuang Newthreetalent Engineering, Co., Ltd, Shijiazhuang 050000, China

通讯作者: ZHANG Wenlin

Abstract

Abstract: Vapor-liquid equilibrium data of hexamethyl disiloxane + vinyl acetate system at 101.3kPa were measured by using double circulating vapor-liquid equilibrium still. The thermodynamic consistency of the VLE data was examined by Herrington method. Experimental data was correlated by non-random two-liquid (NRTL), Wilson and universal quasichemical (UNIQUAC) parameter models. All the models satisfactorily correlated with the VLE data. The result showed that the NRTL model was the most suitable one to represent experimental data satisfactorily. The system had a minimum temperature azeotrope at 345.71 K and the mole azeotropic composition was 0.0541.

Key words: vapor-liquid equilibria, vinyl acetate, hexamethyl disiloxane, determination, correlation

摘要： Vapor-liquid equilibrium data of hexamethyl disiloxane + vinyl acetate system at 101.3kPa were measured by using double circulating vapor-liquid equilibrium still. The thermodynamic consistency of the VLE data was examined by Herrington method. Experimental data was correlated by non-random two-liquid (NRTL), Wilson and universal quasichemical (UNIQUAC) parameter models. All the models satisfactorily correlated with the VLE data. The result showed that the NRTL model was the most suitable one to represent experimental data satisfactorily. The system had a minimum temperature azeotrope at 345.71 K and the mole azeotropic composition was 0.0541.

关键词: vapor-liquid equilibria, vinyl acetate, hexamethyl disiloxane, determination, correlation

ZHANG Wenlin, DU Wei, MENG Nan, SUN Ruyi, LI Chunli. Measurement and Correlation of Vapor-Liquid Equilibria for Hexamethyl Disiloxane + Vinyl Acetate System at 101.3 kPa[J]. Chin.J.Chem.Eng., 2014, 22(2): 177-180.

张文林, 杜威, 孟楠, 孙如意, 李春利. Measurement and Correlation of Vapor-Liquid Equilibria for Hexamethyl Disiloxane + Vinyl Acetate System at 101.3 kPa[J]. Chinese Journal of Chemical Engineering, 2014, 22(2): 177-180.

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Measurement and Correlation of Vapor-Liquid Equilibria for Hexamethyl Disiloxane + Vinyl Acetate System at 101.3 kPa

Measurement and Correlation of Vapor-Liquid Equilibria for Hexamethyl Disiloxane + Vinyl Acetate System at 101.3 kPa

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