Abstract
Densities measured at pressures from (20 to 40) MPa and the temperatures (283.15, 298.15, 313.15, and 328.15) K and isobaric (vapor + liquid) equilibrium (VLE) at pressures of (33.33, 66.66, and 101.33) kPa are reported for the mixture {1,8-cineole(1,3,3-trimethyl-2-oxabicycle[2,2,2]octane) + propan-1-ol} in the whole composition range. Excess molar volumes, isobaric thermal expansions, and isothermal compressibilities were calculated from the density data. VLE data were correlated by means of three activity coefficient models [Wilson, nonrandom two-liquid (NRTL), and universal quasichemical activity coefficient (UNIQUAC)], and their thermodynamic consistency was determined. Four equations of state (EOS), namely, the Peng−Robinson, the Patel−Teja, statistical associating fluid theory (SAFT), and perturbed-chain statistical associating fluid theory (PC-SAFT), were used first to predict (interaction parameters, kij, equal to zero) both the density and the VLE behavior of the system and second to correlate t...
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