Research on Thermodynamic Properties and Model of Benzophenone

化学工业与工程

Chemcial Industry and Engineering

2019, Vol. 36

Issue (6) :1-8 DOI: 10.13353/j.issn.1004.9533.20191701

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Research on Thermodynamic Properties and Model of Benzophenone

Fang Binbin¹, Hou Baohong^1,2, Huang Xin^1,2, Wang Jingkang^1,2, Bao Ying^1,2, Hao Hongxun^1,2

1. National Engineering Research Center of Industrial Crystallization Technology, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China;
2. Collaborative Innovation Center of Chemical Science of Engineering, Tianjin 300072, China

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Abstract Solubility data of benzophenone in different proportions of methanol-acetonitrile mixtures was measured from 278.15~313.15 K by using a gravimetric method under atmospheric pressure. It was found that the solubility of benzophenone increased monotonically with increasing temperature when the solvent proportion was fixed. While, the cosolvency phenomenon could be observed. Furthermore, the experimental solubility data of benzophenone was fitted using the modified Apelblat equation and λh equation successfully. Finally, the mixing and dissolution thermodynamic properties of benzophenone were calculated and analyzed based on the NRTL model and the experimental solubility data. The solubility data and correlations obtained in this study provide a crucial theoretical basis for crystallization process design and optimize.

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	Fang Binbin
	Hou Baohong
	Huang Xin
	Wang Jingkang
	Bao Ying
	Hao Hongxun

Keywords： benzophenone； solubility； cosolvency； mixing and dissolution thermodynamic properties

Received 2019-07-03;

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Fang Binbin, Hou Baohong, Huang Xin, Wang Jingkang, Bao Ying, Hao Hongxun.Research on Thermodynamic Properties and Model of Benzophenone[J] Chemcial Industry and Engineering, 2019,V36(6): 1-8

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