Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/53831
Title: Vapor-Liquid Equilibria Behavior of Methyl Esters and Propan-2-Ol at 74.66, 101.32 and 127.99 kPa
Authors: Ortega, Juan 
Susial, Pedro 
UNESCO Clasification: 3303 ingeniería y tecnología químicas
Keywords: Vapor Liquid Equilibrium
Methyl Ester
Propan-2-ol
Issue Date: 1993
Publisher: 0021-9592
Journal: Journal of Chemical Engineering of Japan 
Abstract: Isobaric vapor-liquid equilibrium data were measured at 74.66, 101.32 and 127.99 kPa for binary mixtures composed of methyl ethanoate or methyl propanoate and propan-2-ol using a dynamic method. In thermodynamic calcutions using the data, the vapor phase was considered to be non-ideal, and all the systems studied exhibit positive deviations from ideal solution behavior. At 74.66 kPa, the binary system (x1 methyl propanoate + x2 propan-2-ol) presents an azeotrope at x1 = 0.666, T = 340.47 K; as pressure increased, azeotrope concentration decreased quasi-regularly towards regions richer in propan-2-ol. After reduction of the data by fitting with a suitable equation and verification of thermodynamic consistency, various group-contribution models were applied to estimate the isobaric VLE data. The mean error in prediction of the activity coefficients for each system in no case exceeded 7%.
URI: http://hdl.handle.net/10553/46467
ISSN: 0021-9592
DOI: 10.1252/jcej.26.259
Source: Journal of Chemical Engineering of Japan [ISSN 0021-9592],v. 26 (3), p. 259-265
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