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1995•JOURNAL OF CHEMICAL ENGINEERING OF JAPANOpen access

Experimental and Predicted Isobaric Vapour-Liquid Equilibrium for the Binary Systems 1,2-Dibromoethane with Isomeric Butanols.

V.D. Rodrı́guez, Carlos Lafuente, Félix M. Royo, José S. Urieta, Alberto Carrión

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Abstract

A dynamic recirculating still was employed to measure isobaric vapour-liquid equilibrium at 40.0 and 101.3 kPa for the binary systems 1,2-dibromoethane with 1-butanol, 2-butanol, 2-methyl-l-propanol and 2-methyl-2-propanol. The experimental data were tested for thermodynamic consistency and correlated with the Margules, Van Laar, Wilson, NRTL and UNIQUAC equations. All the systems show minimum temperature azeotropes, except 1,2-dibromoethane with 2-methyl-2-propanot at 101.3 kPa. Predictions with the UNIFAC method were also obtained.

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A dynamic recirculating still was employed to measure isobaric vapour-liquid equilibrium at 40.0 and 101.3 kPa for the binary systems 1,2-dibromoethane with 1-butanol, 2-butanol, 2-methyl-l-propanol and 2-methyl-2-propanol. The experimental data were tested for thermodynamic consistency and correlated with the Margules, Van Laar, Wilson, NRTL and UNIQUAC equations. All the systems show minimum temperature azeotropes, except 1,2-dibromoethane with 2-methyl-2-propanot at 101.3 kPa. Predictions with the UNIFAC method were also obtained.

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Available abstract

A dynamic recirculating still was employed to measure isobaric vapour-liquid equilibrium at 40.0 and 101.3 kPa for the binary systems 1,2-dibromoethane with 1-butanol, 2-butanol, 2-methyl-l-propanol and 2-methyl-2-propanol. The experimental data were tested for thermodynamic consistency and correlated with the Margules, Van Laar, Wilson, NRTL and UNIQUAC equations. All the systems show minimum temperature azeotropes, except 1,2-dibromoethane with 2-methyl-2-propanot at 101.3 kPa. Predictions with the UNIFAC method were also obtained.

Key concepts: UNIQUAC, Non-random two-liquid model, UNIFAC, Isobaric process, Chemistry, Thermodynamics, Butanol, Activity coefficient

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Experimental and Predicted Isobaric Vapour-Liquid Equilibrium for the Binary Systems 1,2-Dibromoethane with Isomeric Butanols. — Research Paper | ScholarLens