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A Dvorak-Boublik equilibrium recirculation apparatus has been used to measure isothermal vapor-liquid equilibrium (VLE) data for 10 different binary systems: diisopropyl ether + 2-methoxyethanol, trichloroethylene + 2-methoxyethanol, 1,2-epoxybutane + n-hexane, 1,2-epoxyhexane + n-heptane, 1,2-epoxybutane + n-heptane, 1,2-epoxybutane + 1-hexene, 1,2-epoxybutane + 1-octene, 1,2-epoxybutane + 1-chlorobutane, 1,2-epoxybutane + 2-chlorobutane, and epichlorohydrin (l-chloro-2,3-epoxypropane) + 2-chlorobutane. For each system except the last one, two isothermal sets of VLE data at pressures ranging from 7 to 102 kPa have been measured. Computer programs, using a numerical routine based on the maximum likelihood principle, have been used to test the data for thermodynamic consistency and to calculate group interaction parameters (formerly not available) for the UNIFAC model.

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Isothermal pressure-composition data were measured for three binary systems: carbon monoxide + dichloromethane; propene + dichloromethane; 1-butene + dichloromethane. Each system was measured at three temperatures (30.0, 60.0, and 90.0 °C) and pressures up to 70 bar. The experimental data were correlated with the SRK equation of state using the MHV2 mixing rule and the UNIQUAC method for the expression of the excess Gibbs energy.