Effect of temperature on the physical properties of two ionic liquids |
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| Authors: | Ana B. Pereiro,Helena I.M. Veiga,José M.S.S. Esperanç a,Ana Rodrí guez |
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| Affiliation: | aChemical Engineering Department, University of Vigo, P.O. Box 36310, Vigo, Spain;bInstituto de Tecnologia Quimica e Biologica, Universidade Nova de Lisboa, ITQB 2, Apartado 127, 2780-901 Oeiras, Portugal |
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| Abstract: | Density, speed of sound, refractive index, and dynamic viscosity of the ionic liquids (ILs) 1-butyl-1-methylpyrrolidinium bis(trifluoromethylsulfonyl)imide, BMpyr NTf2, and trihexyl(tetradecyl) phosphonium dicyanamide, P66614 dca, were studied as a function of temperature at atmospheric pressure. Thermal expansion coefficient, αp, molecular volumes, and standard entropies of these ILs were calculated from the experimental density values. The solubility of three aromatic components (benzene, toluene, and ethylbenzene) in the selected ILs was carried out at T = 298.15 K and atmospheric pressure and compared with literature values for sulfolane. |
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| Keywords: | Physical properties Ionic liquid BMpyr NTf2 P66614 dca Extraction |
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