Isobaric Vapor-Liquid Equilibrium for Binary System of Benzonitrile Plus Indene

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Abstract

Pure indene is widely used in chemical industry. The most important problem in extracting pure indene is the separation of benzonitrile, because the boiling point of benzonitrile is close to indene. In order to build a method to separate benzonitrile from indene, in this article, a circulating vapor liquid equilibrium device was used to measure the vapor liquid equilibrium data of the binary system of benzonitrile-indene at 22.0, 32.0 and 42.0 kPa. In order to verify the reliability of the experimental data, area test and van Ness point to point test were applied to check the thermodynamic consistency of the experimental data. The results showed that the experimental data passed the thermodynamic consistency tests. Then Wilson NRTL and UNIQUAC models were used to correlate the experimental data and the binary interaction parameters of these three models were obtained. The finally results of these three models agree well with the experimental data.

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	Articles by authors
	Shen Changlin
	Huang Shanyuan
	Li Ye
	Xu Chunjian

Keywords： benzonitrile； indene； vapor-liquid equilibrium

Received 2016-03-21;

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Shen Changlin, Huang Shanyuan, Li Ye, Xu Chunjian.Isobaric Vapor-Liquid Equilibrium for Binary System of Benzonitrile Plus Indene[J] Chemcial Industry and Engineering, 2017,V34(6): 75-80

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