Figure 1
2D structure of 1-ethyl-3-methylimidazolium trifluoromethanesulfonate.
Figure 2
Association scheme modified from Chapman et al. (1990)Chapman, W.G., Gubbins, K.E., Jackson, G., Radosz, M., New Reference Equation of State for Associating Liquids. Industrial & Engineering Chemistry Research, 29, No. 8 1709-1721 (1990)..
Figure 3
Different association schemes: [emim][TfO](2B) + Methanol (2B) (solid line) and [emim][TfO] + Methanol(2B) CPA EoS (dashed line). Experimental data (■) (Garcia-Miaja et. al., 2009García-Miaja, G., Troncoso, J., Romaní, L., Excess enthalpy, density, and heat capacity for binary systems of alkylimidazolium-based ionic liquids + water. The Journal of Chemical Thermodynamics, 41, No. 2 161-166 (2009).; Vercher et al., 2007Vercher, E., Orchillés, A. V., Miguel, P.J., Martínez-Andreu, A., Volumetric and ultrasonic studies of 1-ethyl-3-methylimidazolium trifluoromethanesulfonate ionic liquid with methanol, ethanol, 1-propanol, and water at several temperatures. Journal of Chemical and Engineering Data, 52, No. 4 1468-1482 (2007).).
Figure 4
Different association schemes: [emim][TfO] (2B) + Acetone(2B) (solid line) and [emim][TfO] + Acetone CPA EoS (dashed line). Experimental data (■) (Orchillés et al., 2007Orchillés, A. V., Miguel, P. J., Vercher, E., Martínez-Andreu, A., Ionic liquids as entrainers in extractive distillation: isobaric vapor-liquid equilibria for acetone + methanol + 1-ethyl-3-methylimidazolium trifluoromethanesulfonate. Journal of Chemical Engineering Data, 52, No. 25 141-147 (2007).).
Figure 5
Different association schemes: [emim][TfO] (2B) + Methanol (2B) (solid line) and [emim][TfO] + Methanol(2B) CPA EoS (dashed line). Experimental data (■) (Orchillés et al., 2007Orchillés, A. V., Miguel, P. J., Vercher, E., Martínez-Andreu, A., Ionic liquids as entrainers in extractive distillation: isobaric vapor-liquid equilibria for acetone + methanol + 1-ethyl-3-methylimidazolium trifluoromethanesulfonate. Journal of Chemical Engineering Data, 52, No. 25 141-147 (2007).)
Figure 6
VLE for Acetone + Methanol + [emim][TfO]. Experimental data (Orchillés et. al., 2007Orchillés, A. V., Miguel, P. J., Vercher, E., Martínez-Andreu, A., Ionic liquids as entrainers in extractive distillation: isobaric vapor-liquid equilibria for acetone + methanol + 1-ethyl-3-methylimidazolium trifluoromethanesulfonate. Journal of Chemical Engineering Data, 52, No. 25 141-147 (2007).) for X[emim][TfO]: (♦) 0.055; (▲) 0.125; (■) 0.165; (x) 0.250 and (+) 0.360. PRWS-NRTL EoS for X[emim][TfO]: 0.30 (dotted line); 0.40 (dashed line); all the other compositions (solid line).
Figure 7
VLE Acetone + Methanol + [emim][TfO]. Experimental data (Orchillés et. al., 2007Orchillés, A. V., Miguel, P. J., Vercher, E., Martínez-Andreu, A., Ionic liquids as entrainers in extractive distillation: isobaric vapor-liquid equilibria for acetone + methanol + 1-ethyl-3-methylimidazolium trifluoromethanesulfonate. Journal of Chemical Engineering Data, 52, No. 25 141-147 (2007).) for X[emim][TfO]: (♦) 0.055; (▲) 0.125; (■) 0.165; (x) 0.250 and (+) 0.360. PRWS-UNIQUAC EoS (solid line).
Figure 8
Acetone (2B) + Methanol(2B) + [emim][TfO](2B). VLE Experimental data (Orchillés et al., 2007Orchillés, A. V., Miguel, P. J., Vercher, E., Martínez-Andreu, A., Ionic liquids as entrainers in extractive distillation: isobaric vapor-liquid equilibria for acetone + methanol + 1-ethyl-3-methylimidazolium trifluoromethanesulfonate. Journal of Chemical Engineering Data, 52, No. 25 141-147 (2007).) for X[emim][TfO]: (●) 0.0; (♦) 0.055; (■) 0.165; (x) 0.250 and (+) 0.360. CPA EoS (solid line).
Figure 9
Acetone + Methanol (2B) + [emim][TfO]. VLE Experimental data (Orchillés et al., 2007Orchillés, A. V., Miguel, P. J., Vercher, E., Martínez-Andreu, A., Ionic liquids as entrainers in extractive distillation: isobaric vapor-liquid equilibria for acetone + methanol + 1-ethyl-3-methylimidazolium trifluoromethanesulfonate. Journal of Chemical Engineering Data, 52, No. 25 141-147 (2007).) for X[emim][TfO]: (●) 0.0; (♦) 0.055; (■) 0.165; (x) 0.250 and (+) 0.360. CPA EoS (solid line).
Figure 10
Different association strategies: [emim][TfO] (2B)+Ethanol(2B) (solid line) and [emim][TfO] + Ethanol. CPA EoS (dashed line). Experimental data (■) (Orchillés et al., 2010Orchillés, A. V., Miguel, P. J., Vercher, E., Martínez-Andreu, A., Using-Ethyl-3-methylimidazolium rifluoromethanesulfonate as an Entrainer for the Extractive Distillation of Ethanol + Water Mixtures. Journal of Chemical Engineering Data, 55, No. 4 1669-1674 (2010).).
Figure 11
Different association schemes: [emim][TfO] (2B) + Water (4C) (solid line) and [emim][TfO] + Water(4C) CPA EoS (dashed line). Experimental data (■) (Orchillés et al., 2010Orchillés, A. V., Miguel, P. J., Vercher, E., Martínez-Andreu, A., Using-Ethyl-3-methylimidazolium rifluoromethanesulfonate as an Entrainer for the Extractive Distillation of Ethanol + Water Mixtures. Journal of Chemical Engineering Data, 55, No. 4 1669-1674 (2010).).
Figure 12
Ethanol (2B) +Water (4C) + [emim][TfO]. VLE Experimental data (Orchillés et al., 2010Orchillés, A. V., Miguel, P. J., Vercher, E., Martínez-Andreu, A., Using-Ethyl-3-methylimidazolium rifluoromethanesulfonate as an Entrainer for the Extractive Distillation of Ethanol + Water Mixtures. Journal of Chemical Engineering Data, 55, No. 4 1669-1674 (2010).) for X[emim][TfO]: (●) 0.0; (♦) 0.055; (■) 0.1 and (x) 0.215. CPA EoS (solid line).
Figure 13
Ethanol (2B) +Water (4C) + [emim][TfO] (2B). VLE Experimental data (Orchillés et al., 2010Orchillés, A. V., Miguel, P. J., Vercher, E., Martínez-Andreu, A., Using-Ethyl-3-methylimidazolium rifluoromethanesulfonate as an Entrainer for the Extractive Distillation of Ethanol + Water Mixtures. Journal of Chemical Engineering Data, 55, No. 4 1669-1674 (2010).) for X[emim][TfO]: (●) 0.0; (♦) 0.055; (■) 0.1 and (x) 0.215. CPA EoS (solid line).