Densities and Viscosities of 1-butyl-3-methylimidazolium Hexafluorophosphate [bmim][PF6]+CO2 Binary System：Determination and Correlation

doi:10.1016/S1004-9541(13)60622-9

Chin.J.Chem.Eng. ›› 2013, Vol. 21 ›› Issue (11): 1284-1290.DOI: 10.1016/S1004-9541(13)60622-9

• CHEMICAL ENGINEERING THERMODYNAMICS • Previous Articles Next Articles

Densities and Viscosities of 1-butyl-3-methylimidazolium Hexafluorophosphate [bmim][PF₆]+CO₂ Binary System：Determination and Correlation

QIAO Yan^1,2, YAN Fangyou², XIA Shuqian², MA Peisheng²

1 Mineral Resources Comprehensive Utilization Institute, School of Mining, Taiyuan University of Technology, Taiyuan 030024, China;
2 Key Laboratory for Green Chemical Technology of the State Education Ministry, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

Received:2012-06-13 Revised:2013-01-10 Online:2013-11-26 Published:2013-11-28
Contact: QIAO Yan
Supported by:
Supported by the Programme of Introducing Talents of Disciplineto Universities (B060006), the National Natural Science Foundation of China (20706040), and the Special/Youth Foundation of Taiyuan University of Technology (2012L025).

Densities and Viscosities of 1-butyl-3-methylimidazolium Hexafluorophosphate [bmim][PF₆]+CO₂ Binary System：Determination and Correlation

乔燕^1,2, 闫方友², 夏淑倩², 马沛生²

1 Mineral Resources Comprehensive Utilization Institute, School of Mining, Taiyuan University of Technology, Taiyuan 030024, China;
2 Key Laboratory for Green Chemical Technology of the State Education Ministry, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China

通讯作者: QIAO Yan
基金资助:
Supported by the Programme of Introducing Talents of Disciplineto Universities (B060006), the National Natural Science Foundation of China (20706040), and the Special/Youth Foundation of Taiyuan University of Technology (2012L025).

Abstract

Abstract: A gas-dissolving device was designed and connected to the falling-body viscometer, which was used to determine the viscosities of liquids in our lab before. The equipment can be used to determine the gas composition, the densities and viscosities of the solution at the same time. The densities and viscosities of [bmim][PF₆] + CO₂ binary system were determined in the temperature range of 313.2 to 413.2 K and pressure range of 5.0 to 25.0 MPa by the equipment. Then the viscosities of [bmim][PF₆] + CO₂ binary system at constant temperature, constant pressure, and different temperature and pressure were correlated, respectively. For the correlation at different temperature and different pressure for different concentration mixtures the average relative deviation ARD is 0.037.

Key words: viscosity, falling-body viscometer, [bmim][PF₆], ionic liquid, carbon dioxide

摘要： A gas-dissolving device was designed and connected to the falling-body viscometer, which was used to determine the viscosities of liquids in our lab before. The equipment can be used to determine the gas composition, the densities and viscosities of the solution at the same time. The densities and viscosities of [bmim][PF₆] + CO₂ binary system were determined in the temperature range of 313.2 to 413.2 K and pressure range of 5.0 to 25.0 MPa by the equipment. Then the viscosities of [bmim][PF₆] + CO₂ binary system at constant temperature, constant pressure, and different temperature and pressure were correlated, respectively. For the correlation at different temperature and different pressure for different concentration mixtures the average relative deviation ARD is 0.037.

关键词: viscosity, falling-body viscometer, [bmim][PF₆], ionic liquid, carbon dioxide

QIAO Yan, YAN Fangyou, XIA Shuqian, MA Peisheng. Densities and Viscosities of 1-butyl-3-methylimidazolium Hexafluorophosphate [bmim][PF₆]+CO₂ Binary System：Determination and Correlation[J]. Chin.J.Chem.Eng., 2013, 21(11): 1284-1290.

乔燕, 闫方友, 夏淑倩, 马沛生. Densities and Viscosities of 1-butyl-3-methylimidazolium Hexafluorophosphate [bmim][PF₆]+CO₂ Binary System：Determination and Correlation[J]. Chinese Journal of Chemical Engineering, 2013, 21(11): 1284-1290.

References

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Densities and Viscosities of 1-butyl-3-methylimidazolium Hexafluorophosphate [bmim][PF₆]+CO₂ Binary System：Determination and Correlation

Densities and Viscosities of 1-butyl-3-methylimidazolium Hexafluorophosphate [bmim][PF₆]+CO₂ Binary System：Determination and Correlation

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