Abstract
In this work, experimental values of gas solubility of hydrofluorocarbons (CHF3, CH2F2 and CH3F) in three room-temperature ionic liquids (RTILs) were determined within the temperature range 288K to 308K and at atmospheric pressure. The RTILs used were trihexyltetradecylphosphonium chloride ([P6,6,6,14][Cl]), tributyl(methyl)phosphonium methylsulfate ([P4,4,4,1][C1SO4]), and tributyl(ethyl)phosphonium diethylphosphate ([P4,4,4,2][(C2)2PO4]). The data gathered have been modelled using two approaches: the Cubic plus Association equation of state (CPA EoS) and the regular-solution theory (RST). The experimental measurements were then discussed critically and the modelling results compared.
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