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Title: Vapour-liquid equilibrium with a new ebulliometer: Ester + alcohol system at 0.5 MPa
Authors: Sosa-Rosario, A. 
Rios-Santana, R. 
Susial, P. 
UNESCO Clasification: 3303 ingeniería y tecnología químicas
Keywords: Vapor-liquid equilibrium
Vapor-liquid equilibrium apparatus
Vapor pressure
Issue Date: 2010
Publisher: 1004-9541
Journal: Chinese Journal of Chemical Engineering 
Abstract: A new dynamic ebulliometer is used to determine vapor-liquid equilibrium (VLE) data experimentally. In the equipment, both phases are recirculated. Its operation is a consequence of the Cotrell pump effect produced when the mixture is heated in a double-walled inverted vessel. The reliability of the apparatus is tested with the mixtures studied previously by various authors. VLE data for the binary systems of methyl acetate + methanol and the methyl acetate + ethanol at 0.5 MPa are determined. The experimental data are confirmed with the point-to-point test of van Ness, applying the Fortran program of Frendslund et al. In addition, the experimental results are compared with the UNIFAC (including different versions) and ASOG prediction models.
ISSN: 1004-9541
DOI: 10.1016/S1004-9541(09)60159-2
Source: Chinese Journal Of Chemical Engineering[ISSN 1004-9541],v. 18 (6), p. 1000-1007
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