Vapor pressure measurement and correlation of acetonitrile +1-butyl-3-methylimidazolium chloride, +1-butyl-3-methylimidazolium tetrafluoroborate, and +1-hexyl-3-methylimidazolium chloride

doi:10.1016/j.cjche.2014.11.008

›› 2015, Vol. 23 ›› Issue (2): 412-416.DOI: 10.1016/j.cjche.2014.11.008

Vapor pressure measurement and correlation of acetonitrile +1-butyl-3-methylimidazolium chloride, +1-butyl-3-methylimidazolium tetrafluoroborate, and +1-hexyl-3-methylimidazolium chloride

Qing Yang, Kexia Chen, Changchun He, Changjun Peng, Honglai Liu

State Key Laboratory of Chemical Engineering and Department of Chemistry, East China University of Science and Technology, Shanghai 200237, China

收稿日期:2013-08-05 修回日期:2013-10-02 出版日期:2015-02-28 发布日期:2015-03-01
通讯作者: Changjun Peng
基金资助:
Supported by the National Natural Science Foundation of China (21276073, 21136004), the National Basic Research Program of China (2009CB219902), and the Fundamental Research Funds for the Central Universities of China (222201313001).

Vapor pressure measurement and correlation of acetonitrile +1-butyl-3-methylimidazolium chloride, +1-butyl-3-methylimidazolium tetrafluoroborate, and +1-hexyl-3-methylimidazolium chloride

Qing Yang, Kexia Chen, Changchun He, Changjun Peng, Honglai Liu

State Key Laboratory of Chemical Engineering and Department of Chemistry, East China University of Science and Technology, Shanghai 200237, China

Received:2013-08-05 Revised:2013-10-02 Online:2015-02-28 Published:2015-03-01
Supported by:
Supported by the National Natural Science Foundation of China (21276073, 21136004), the National Basic Research Program of China (2009CB219902), and the Fundamental Research Funds for the Central Universities of China (222201313001).

摘要/Abstract

摘要： Vapor pressures were measured for acetonitrile +1-butyl-3-methylimidazolium chloride ([C₄mim][Cl]), +1-butyl-3-methylimidazolium tetrafluoroborate ([C₄mim][BF₄]) and +1-hexyl-3-methylimidazolium chloride ([C₆mim][Cl]) at temperatures of 313 to 353 K by a quasi-staticmethod. The experimental data for the binary systemswere correlated by the non-randomtwo liquid (NRTL) equationwith an average absolute relative deviation (AARD) of within 1.84%. The results indicate that the three ionic liquids (ILs) can result in a negative deviation from the Raoult's law for the binary solutions containing acetonitrile, and the affinity between ILs and acetonitrile molecules follows the order [C₄mim][BF₄]+acetonitrile > [C₄mim][Cl]+acetonitrile > [C₆mim][Cl]+acetonitrile.

关键词: Acetonitrile, Ionic liquid, Vapor pressure, Non-random two liquid

Abstract: Vapor pressures were measured for acetonitrile +1-butyl-3-methylimidazolium chloride ([C₄mim][Cl]), +1-butyl-3-methylimidazolium tetrafluoroborate ([C₄mim][BF₄]) and +1-hexyl-3-methylimidazolium chloride ([C₆mim][Cl]) at temperatures of 313 to 353 K by a quasi-staticmethod. The experimental data for the binary systemswere correlated by the non-randomtwo liquid (NRTL) equationwith an average absolute relative deviation (AARD) of within 1.84%. The results indicate that the three ionic liquids (ILs) can result in a negative deviation from the Raoult's law for the binary solutions containing acetonitrile, and the affinity between ILs and acetonitrile molecules follows the order [C₄mim][BF₄]+acetonitrile > [C₄mim][Cl]+acetonitrile > [C₆mim][Cl]+acetonitrile.

Key words: Acetonitrile, Ionic liquid, Vapor pressure, Non-random two liquid

Qing Yang, Kexia Chen, Changchun He, Changjun Peng, Honglai Liu. Vapor pressure measurement and correlation of acetonitrile +1-butyl-3-methylimidazolium chloride, +1-butyl-3-methylimidazolium tetrafluoroborate, and +1-hexyl-3-methylimidazolium chloride[J]. , 2015, 23(2): 412-416.

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Vapor pressure measurement and correlation of acetonitrile +1-butyl-3-methylimidazolium chloride, +1-butyl-3-methylimidazolium tetrafluoroborate, and +1-hexyl-3-methylimidazolium chloride

Vapor pressure measurement and correlation of acetonitrile +1-butyl-3-methylimidazolium chloride, +1-butyl-3-methylimidazolium tetrafluoroborate, and +1-hexyl-3-methylimidazolium chloride

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