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Vapor−Liquid Equilibria of 2-Methoxy-2-methylbutane + Methanol + Water at 101.32 kPa

Alberto Arce, Antonio Blanco, José Martı́nez-Ageitos, Ana Soto

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Abstract

Isobaric vapor−liquid equilibrium data for the system 2-methoxy-2-methylbutane + methanol + water were determined at 101.32 kPa using a distillation apparatus recycling both liquid and vapor phases. The VLE data were satisfactorily correlated using the Wilson, NRTL, and UNIQUAC equations for liquid phase activity coefficients and adequately predicted using the ASOG-KT, UNIFAC, UNIFAC−Dortmund, and UNIFAC−Lyngby group contribution methods.

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What this paper is about

Isobaric vapor−liquid equilibrium data for the system 2-methoxy-2-methylbutane + methanol + water were determined at 101.32 kPa using a distillation apparatus recycling both liquid and vapor phases. The VLE data were satisfactorily correlated using the Wilson, NRTL, and UNIQUAC equations for liquid phase activity coefficients and adequately predicted using the ASOG-KT, UNIFAC, UNIFAC−Dortmund, and UNIFAC−Lyngby group contribution methods.

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Available abstract

Isobaric vapor−liquid equilibrium data for the system 2-methoxy-2-methylbutane + methanol + water were determined at 101.32 kPa using a distillation apparatus recycling both liquid and vapor phases. The VLE data were satisfactorily correlated using the Wilson, NRTL, and UNIQUAC equations for liquid phase activity coefficients and adequately predicted using the ASOG-KT, UNIFAC, UNIFAC−Dortmund, and UNIFAC−Lyngby group contribution methods.

Key concepts: UNIFAC, UNIQUAC, Non-random two-liquid model, Isobaric process, Chemistry, Thermodynamics, Group contribution method, Methanol

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