Modeling of solubility of CO2 in 1-butylpyridinium bis(trifluoromethylsulfonyl)imide ionic liquid using UNIFAC

The solubility of CO2 in 1-butylpyridinium bis(trifluoromethylsulfonyl)imide [C4py][Tf2N] ionic liquid has been determined using Magnetic Suspension Balance instrument at 298.15 K and in the pressures up to about 27 bar. A group contribution method, namely UNIFAC has been used to fit the experiment...

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Bibliographic Details
Main Authors: M Yunus, Normawati, Abdul Mutalib , M I, Murugesan, Thanapalan
Format: Book Section
Language:English
Published: American Institute of Physics 2012
Subjects:
Online Access:http://scholars.utp.edu.my/id/eprint/11215/1/my%20paper.pdf
http://scholars.utp.edu.my/id/eprint/11215/
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Summary:The solubility of CO2 in 1-butylpyridinium bis(trifluoromethylsulfonyl)imide [C4py][Tf2N] ionic liquid has been determined using Magnetic Suspension Balance instrument at 298.15 K and in the pressures up to about 27 bar. A group contribution method, namely UNIFAC has been used to fit the experimental data. The interaction parameters of the model were estimated. The predicted CO2 solubility data by the model shows good agreement with the experimental data.