| Abstract: | Isobaric vapour–liquid equilibrium (VLE) measurements for mixtures formed by tetrahydrofuran and isomeric chlorobutanes at 40.0?kPa (except for the mixture containing 2-methyl-2-chloropropane) and 101.3?kPa are reported. The activity coefficients were calculated from experimental data. The mixture containing 2-chlorobutane at 40.0?kPa presents an azeotrope. The VLE measurements have been found thermodynamically consistent according to Van Ness test. Wilson, NRTL, and UNIQUAC equations have been used to correlate the activity coefficients and we have obtained satisfactory results. |
