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Title: Vapor-liquid equilibria at 101.32 kPa in mixtures formed by the first four butyl alkanoates and butan-2-ol
Authors: González, Eduardo
Ortega, Juan 
Keywords: Unifac Group Contribution
Issue Date: 1996
Publisher: 0378-3812
Journal: Fluid Phase Equilibria 
Abstract: Vapor-liqiuid equilibrium data for the binaries of butyl alkanoates (from methanoate to butanoate) + butan-2-ol were determined at 101.32 kPa in a small-capacity ebulliometer. The four systems studied were found to be thermodynamically consistent by the point-to-point test and they presented a positive deviation from ideality. The activity coefficients and the magnitudes obtained directly from experimentation were correlated using a suitable equation. An azeotrope was found for the mixture x(1)butyl methanoate + x(2)butan-2-ol at x(1) = 0.248, T = 371.0 K. The application of the ASOG and UNIFAC models to predict the isobaric VLE data and the comparison between the different cases considered are also discussed.
ISSN: 0378-3812
Source: Fluid Phase Equilibria[ISSN 0378-3812],v. 124, p. 161-175
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