Methylpyrrolidonium Trifluoroacetate Protic Ionic Liquid: Distillation Boundary in the Ethyl Trifluoroacetate–Trifluoroacetic Acid–N-Methyl-2-pyrrolidone System
Andrei V. Polkovnichenko,
Egor V. Lupachev,
Nikolai N. Kulov
et al.
Abstract:Experimental data on the distillation boundary in the
ethyl trifluoroacetate
(EtTFA)–trifluoroacetic acid (TFA)–N-methyl-2-pyrrolidone (NMP) azeotropic (Az) system are considered.
Theoretical qualitative model of the distillation map of the EtTFA–TFA–NMP
mixture at atmospheric pressure supposes two distillation areas with
TFA or EtTFA having lower volatility and vice versa, and they are
split by the separatrix AzEtTFA/TFA–protic ionic
liquid (PIL). From the experimental data, for the liquid phase that
is locat… Show more
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