2024-03-29T15:58:23Zhttps://riubu.ubu.es/oai/requestoai:riubu.ubu.es:10259/42712021-11-10T09:38:20Zcom_10259_4244com_10259_5086com_10259_2604col_10259_4245
Liquid–liquid equilibrium for ethanolysis systems of fish oil
Bucio López, Silvia Liliana
García Solaesa, Ángela
Sanz Díez, Mª Teresa
Beltrán Calvo, Sagrario
Melgosa Gómez, Rodrigo
Liquid-liquid equilibria
fish oil
ethanolysis
organic solvents
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.
2016-11-17
2016-11-17
2013-07
info:eu-repo/semantics/article
0021-9568
http://hdl.handle.net/10259/4271
10.1021/je400573u
eng
Journal of chemical and engineering data. 2013, V. 58, n. 11, p. 3118–3124
http://dx.doi.org/10.1021/je400573u
info:eu-repo/grantAgreement/MINECO/CTQ2012-39131-C02-01
info:eu-repo/grantAgreement/CDTI/IDI-20111225
info:eu-repo/semantics/openAccess
American Chemical Society