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This article aims to show the prediction of vapor-liquid equilibrium of a not ideal mixture by thermodynamic models such as the Peng Robinson equation to calculate fugacity coefficients of the components in vapor state and Van Laar model to find activity coefficients of components in the liquid state. The results are validated by using the commercial simulator Aspen Plus and online calculator “VLE-Calc”, showing similar results with the experimental values of the binary mixture.

Predicción del equilibrio vapor-líquido de la mezcla acetato de etilo-etanol usando la ecuación de estado de Peng Robinson