A local composition model obtained from Monte Carlo simulation of molecular fluid mixtures is embedded in the Soave, Patel-Teja, and Cubic Chain-of-Rotators equations of state. Representation of vapor-liquid equilibrium with the embedded equations is investigated at high pressures as well as low pressures for diverse, strongly nonideal, polar mixture systems including the aqueous, nonaqueous, hydrogen-bonded, and non-hydrogen-bonded systems.
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