Modeling the vapor-liquid equilibria and water activity coefficients of alternative refrigerant-absorbent ionic liquid-water pairs for absorption systems
Journal article published in 2016 by
M. B. Oliveira,
E. A. Crespo,
F. Llovell 
,
L. F. Vega,
J. A. P. Coutinho
,
L. F. Vega,
J. A. P. Coutinho
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Abstract
The aim of this study is to describe the phase equilibrium behavior of aqueous solutions of selected ionic liquids (ILs) as new potential pairs of absorption cooling systems. The ILs under study have a shared cation, 1-butyl-3-methylimidiazolium, [C4mim]+, and the following anions: methanesulfonate, [CH3SO3]−, trifluoromethanesulfonate, [CF3SO3]−, acetate, [CH3CO2]−, trifluoroacetate, [CF3CO2]−, tosylate, [TOS]−, bromide, [Br]−, and thiocyanate, [SCN]−.