Isothermal Vapor-Liquid Equilibrium Data for the Binaries Isobutane-Ethanol, Isobutane-1-Propanol, and Propane-Ethanol

The recovery of alcohols from aqueous solutions by supercritical extraction has received considerable attention during the last decade. Light hydrocarbons appeared to be the most promising near critical fluid solvents for these separations. Vapor-liquid equilibria for the isobutane-ethanol, isobutan...

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Bibliographic Details
Published in:Journal of chemical and engineering data 1994-04, Vol.39 (2), p.214-218
Main Authors: Zabaloy, Marcelo S, Gros, Hernan P, Bottini, Susana B, Brignole, Esteban A
Format: Article
Language:English
Subjects:
10 SYNTHETIC FUELS
100200 - Synthetic Fuels- Production- (1990-)
2-METHYLPROPANE
ALCOHOLS
ALKANES
BINARY MIXTURES
Chemistry
DATA
DISPERSIONS
ETHANOL
Exact sciences and technology
EXPERIMENTAL DATA
EXTRACTION
General and physical chemistry
HYDROCARBONS
HYDROXY COMPOUNDS
INFORMATION
Liquid-vapor equilibria
MIXTURES
NUMERICAL DATA
ORGANIC COMPOUNDS
ORGANIC SOLVENTS
Phase equilibria
PHYSICAL PROPERTIES
PROPANE
PROPANOLS
SEPARATION PROCESSES
SOLVENT EXTRACTION
SOLVENTS
SUPERCRITICAL GAS EXTRACTION
THERMODYNAMIC PROPERTIES
VAPOR PRESSURE
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Summary:The recovery of alcohols from aqueous solutions by supercritical extraction has received considerable attention during the last decade. Light hydrocarbons appeared to be the most promising near critical fluid solvents for these separations. Vapor-liquid equilibria for the isobutane-ethanol, isobutane-1-propanol, and propane-ethanol systems were measured in the temperature range of 308.6--375.1 K and at pressures up to 43.81 bar. The results show azeotrope formation for the isobutane-ethanol system.
ISSN:0021-9568
1520-5134
DOI:10.1021/je00014a005