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Título : Liquid–liquid equilibrium for ethanolysis systems of fish oil
Autor : Bucio López, Silvia Liliana
García Solaesa, Ángela
Sanz Díez, Mª Teresa
Beltrán Calvo, Sagrario
Melgosa Gómez, Rodrigo
Publicado en: Journal of chemical and engineering data. 2013, V. 58, n. 11, p. 3118–3124
Editorial : American Chemical Society
Fecha de publicación : jul-2013
ISSN : 0021-9568
DOI: 10.1021/je400573u
Resumen : Enzymatic alcoholysis of fish oil can produce monoacylglycerols rich in polyunsaturated fatty acids at atmospheric pressure and low temperature. Biocatalysis in organic solvents helps to create a homogeneous reaction system for the reactants, ethanol and fish oil. This work presents liquid–liquid equilibrium at two different temperatures (303.2 K and 323.2 K) and at atmospheric pressure for two solvent-systems in the ethanolysis of fish oil: ethanol + oil + tert-pentanol and ethanol + oil + hexane. Experimental solubility (binodal) curves were obtained by the cloud point method and tie-line composition was obtained by density and high-temperature gas chromatography. The consistency of experimental tie-line data was checked by using the Othmer–Tobias equation. The experimental liquid–liquid data were correlated satisfactorily by the nonrandom two liquid model for activity coefficient calculations.
Palabras clave: Liquid-liquid equilibria
fish oil
ethanolysis
organic solvents
Materia: Ingeniería química
Chemical engineering
URI : http://hdl.handle.net/10259/4271
Versión del editor: http://dx.doi.org/10.1021/je400573u
Aparece en las colecciones: Artículos BIOIND

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