Abstract

Vapor−liquid equilibrium (VLE), excess enthalpy (HE), and vapor pressure (Pis) data for eight binary systems containing cis-1-chloropropene, trans-1-chloropropene, 1,2-dichloropropane, 1,2-propanediol, 1,2-propylene glycol diacetate, propylene oxide, and water are presented in a temperature range from 276 to 368 K. The VLE and vapor pressure data were obtained by means of a computer-controlled static apparatus, and the heat of mixing data were measured using an isothermal flow calorimeter. Temperature-dependent NRTL interaction parameters were regressed by a simultaneous correlation of the experimental VLE and HE data. These parameters are required for a proper simulation of the different separation steps in the chlorohydrin process for the production of propylene oxide.

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