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The statistical associating fluid theory (SAFT) Boublík Alder Chen Kreglewshi(BACK) equation of state is employed to correlate vapor liquid equilibria of 16 binary mixtures composed of supercritical fluids with other fluids at elevated pressures. The van der Waals mixing rules are used and the binary parameters are adjusted to experimental data. The SAFT BACK equation of state provides a better correlation of vapor liquid equilibrium than the original BACK equation. Consequently, the binary parameters computed from the data sets can be used to accurately predict the saturated densities of the vapor and liquid phases.
The statistical associating fluid theory (SAFT) Boublík Alder Chen Kreglewshi (BACK) equation of state is employed to correlate vapor liquid equilibria of 16 binary mixtures composed of supercritical fluids with other fluids at elevated pressures. The van der Waals mixing rules are used and the The SAFT BACK equation of state provides a better correlation of vapor liquid equilibrium than the original BACK equation. The SAFT BACK equation of state provides a better correlation of vapor liquid equilibrium than the original BACK equation. and liquid phases.