SCI和EI收录∣中国化工学会会刊

中国化学工程学报 ›› 2019, Vol. 27 ›› Issue (12): 2994-2999.DOI: 10.1016/j.cjche.2019.04.016

• Chemical Engineering Thermodynamics • 上一篇    下一篇

Densities and viscosities for ionic liquids [BMIM][BF4] and [BMIM][Cl] and their binary mixtures at various temperatures and atmospheric pressure

Jinlong Li1, Hong Zhu2, Changjun Peng2, Honglai Liu2   

  1. 1 Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology and School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China;
    2 State Key Laboratory of Chemical Engineering and Department of Chemistry, East China University of Science and Technology, Shanghai 200237, China
  • 收稿日期:2019-01-12 修回日期:2019-04-04 出版日期:2019-12-28 发布日期:2020-03-17
  • 通讯作者: Jinlong Li, Changjun Peng
  • 基金资助:
    Supported by the National Basic Research Program of China (2015CB251401) and the National Natural Science Foundation of China (21878025, 21776069, 21476070).

Densities and viscosities for ionic liquids [BMIM][BF4] and [BMIM][Cl] and their binary mixtures at various temperatures and atmospheric pressure

Jinlong Li1, Hong Zhu2, Changjun Peng2, Honglai Liu2   

  1. 1 Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology and School of Petrochemical Engineering, Changzhou University, Changzhou 213164, China;
    2 State Key Laboratory of Chemical Engineering and Department of Chemistry, East China University of Science and Technology, Shanghai 200237, China
  • Received:2019-01-12 Revised:2019-04-04 Online:2019-12-28 Published:2020-03-17
  • Contact: Jinlong Li, Changjun Peng
  • Supported by:
    Supported by the National Basic Research Program of China (2015CB251401) and the National Natural Science Foundation of China (21878025, 21776069, 21476070).

摘要: The density and viscosity of 1-butyl-3-methylimidazolium tetrafluoroborate [BMIM][BF4] and 1-butyl-3-methylimidazolium chloride [BMIM][Cl] and their binary mixtures within the temperatures from 303.15 K to 323.15 K and at ambient pressure were determined in this work. The temperature dependences of density and viscosity were satisfactorily described with the linear model and the Vogel-Tammann-Fulcher type equation, respectively. The molar volume and viscosity of binary IL mixtures were predicted through ideal mixing rules showing that almost null deviations for IL mixtures were observed and their mixing was remarkably close to linear ideal behavior in the molar volumes, while comparatively large errors in viscosity occurred. Additionally, the molar volume of the investigated pure ILs and their mixtures could well be predicted by a predictive model presented by Valderrama et al. (Fluid Phase Equilib., 275 (2009) 145).

关键词: Ionic liquid mixture, Density, Viscosity, Excess property

Abstract: The density and viscosity of 1-butyl-3-methylimidazolium tetrafluoroborate [BMIM][BF4] and 1-butyl-3-methylimidazolium chloride [BMIM][Cl] and their binary mixtures within the temperatures from 303.15 K to 323.15 K and at ambient pressure were determined in this work. The temperature dependences of density and viscosity were satisfactorily described with the linear model and the Vogel-Tammann-Fulcher type equation, respectively. The molar volume and viscosity of binary IL mixtures were predicted through ideal mixing rules showing that almost null deviations for IL mixtures were observed and their mixing was remarkably close to linear ideal behavior in the molar volumes, while comparatively large errors in viscosity occurred. Additionally, the molar volume of the investigated pure ILs and their mixtures could well be predicted by a predictive model presented by Valderrama et al. (Fluid Phase Equilib., 275 (2009) 145).

Key words: Ionic liquid mixture, Density, Viscosity, Excess property