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Title: Experimental determination of vapor-liquid equilibria. binary systems of methyl acetate, ethyl acetate, and propyl acetate with 1-propanol at 0.6 MPa
Authors: Susial, P. 
García-Vera, D. 
Susial, R.
Castillo, V. D.
Estupiñan, E. J.
Apolinario, J. C.
Rodríguez-Henríquez, J. J.
UNESCO Clasification: 3303 ingeniería y tecnología químicas
Keywords: Mixtures
Ethanol ,
Plus Methanol, et al
Issue Date: 2013
Publisher: 0021-9568
Journal: Journal of Chemical & Engineering Data 
Abstract: Data from isobaric vapor–liquid equilibrium (VLE) for the binary systems methyl acetate, ethyl acetate, and n-propyl acetate with 1-propanol have been determined at 0.6 MPa employing a metal ebulliometer with recirculation of both phases. The thermodynamic consistency of experimental data has been verified with the Van Ness point-to-point test, using the routine in Fortran proposed by Fredenslund et al. The azeotropic point was observed for the binary systems ethyl acetate/1-propanol and propyl acetate/1-propanol. The activity coefficients of the liquid phase were calculated by considering the nonideality of the vapor phase. The binary systems studied show positive deviation from ideal behavior. Predictions obtained from the group contribution models ASOG and different versions of UNIFAC were verified by comparing the values provided by the models with experimental data of VLE.
ISSN: 0021-9568
DOI: 10.1021/je400622g
Source: Journal of Chemical and Engineering Data[ISSN 0021-9568],v. 58, p. 2861-2867
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