Vapor-Liquid Equilibria of Systems Containing Acetic Acid and Gaseous Components. Measurements and Calculations by a Cubic Equiation of State

Ari Jonas Jonasson, Ole Hilding Persson, Peter Rasmussen, Giorgio S. Soave

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Abstract

Isothermal pressure-composition VLE data have been measured for four systems containing acetic acid and a gaseous component. The gaseous components are carbon monoxide, carbon dioxide, hydrogen and methane. The measurements were made in a static cell and the compositions of the gas and the liquid phases were measured by a gas chromatograph.A new model (ACE, Association + Cubic Equation of state) was developed. It is based on a cubic equation of state and a model for the dimerization of acetic acid. It was applied to correlate the experimental VLE data with good results.
Original languageEnglish
JournalFluid Phase Equilibria
Volume152
Pages (from-to)67-94
ISSN0378-3812
Publication statusPublished - 1998

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