Isobaric vapor-liquid equilibrium of a ternary system of ethyl acetate + propyl acetate + dimethyl sulfoxide and binary systems of ethyl acetate + dimethyl sulfoxide and propyl acetate + dimethyl sulfoxide at 101.3 kPa

Add time:07/22/2019    Source:sciencedirect.com

Isobaric vapor-liquid equilibrium data were measured for three systems, namely, ethyl acetate + dimethyl sulfoxide, propyl acetate + dimethyl sulfoxide and ethyl acetate + propyl acetate + dimethyl sulfoxide at 101.3 kPa in this work. The experimental data were checked by the Van Ness (point-to-point test) and Herington (integral test) methods. The binary systems’ vapor-liquid equilibrium data tested by experiments were fitted well with the NRTL, UNIQUAC and Wilson models. The binary interaction parameters regressed by the three models and experimental data were accepted to predict vapor liquid equilibrium data of a ternary system. The maximum absolute deviations and mean absolute deviations between the experimental and thermodynamic model data were within a reasonable range, indicating that corrected binary interaction parameters can be used to accurately predict vapor-liquid equilibrium data of the ternary system.

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