VAPOR-LIQUID-EQUILIBRIUM AT HIGH-PRESSURE IN THE SYSTEM CONTAINING CARBON-DIOXIDE AND PROPYL ACETATE

Vapour-liquid equilibrium data in the carbon dioxide - propyl acetate system were measured isothermally at 303.15 K, 313.15 K, and 323.15 K at pressures ranging from 2 MPa to 9 MPa. The experimental data were f itted to the Soave-Redlich-Kwong equation of state in the modification of Graboski and Daubert with the mixing rules developed by Kwak and M ansoori. Maximum likelihood procedure was adopted and all variables we re assumed to be subject to errors.