Vapor–liquid equilibria and excess volumes of the binary systems ethanol + ethyl lactate, isopropanol + isopropyl lactate and n-butanol + n-butyl lactate at 101.325 kPa |
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Authors: | Susana Pe a-Tejedor, Ruth Murga, Maria Teresa Sanz,Sagrario Beltr n |
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Affiliation: | Departamento de Ingeniería Química. Universidad de Burgos, Plaza Misael Bañuelos s/n, 09001 Burgos, Spain |
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Abstract: | Isobaric vapor–liquid equilibrium data have been experimentally determined at 101.3 kPa for the binary systems ethanol + ethyl lactate, isopropanol + isopropyl lactate and n-butanol + n-butyl lactate. No azeotrope was found in any of the systems. All the experimental data reported were thermodynamically consistent according to the point-to-point method of Fredenslund. The activity coefficients were correlated with the NRTL and UNIQUAC liquid-phase equations and the corresponding binary interaction parameters are reported. The densities and derived excess volumes for the three mixtures are also reported at 298.15 K. |
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Keywords: | Experimental data Vapor–liquid equilibrium Alcohols Lactates Excess volumes |
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