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    Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10259/4336

    Título
    Liquid–liquid equilibria for systems glycerol + sardine oil + tert-alcohols
    Autor
    García Solaesa, ÁngelaUBU authority Orcid
    Bucio López, Silvia LilianaUBU authority Orcid
    Sanz Díez, Mª TeresaUBU authority Orcid
    Beltrán Calvo, SagrarioUBU authority Orcid
    Rebolleda Alonso, SaraUBU authority Orcid
    Publicado en
    Fluid Phase Equilibria. 2013, V. 356, 25 October 2013, Pages 284–290
    Editorial
    Elsevier
    Fecha de publicación
    2013-10
    ISSN
    0378-3812
    Abstract
    Monoacylglycerols (MAGs) can be produced by lipase-catalyzed glycerolysis of oils and fats at atmospheric pressure and low temperature. The use of organic solvents as reaction media helps to create a homogeneous reaction system between the immiscible reactants glycerol and oil. In this work liquid–liquid equilibrium at two different temperatures (303.2 and 323.2 K) and at atmospheric pressure has been determined for two solvent-systems in the glycerolysis of fish oil (sardine oil): glycerol + sardine oil + tert-butanol and glycerol + sardine oil + tert-pentanol. From the experimental solubility (binodal) curves and tie-lines, it could be observed that the system mutual solubility does not significantly increase by increasing temperature from 303.2 to 323.2 K. The Othmer–Tobias correlation was used to analyze the consistency of the tie-line data. The experimental liquid–liquid data were correlated satisfactorily by using the NRTL model for the activity coefficient calculation.
    Palabras clave
    Liquid–liquid equilibria
    Fish oil
    Glycerolysis
    Tertiary alcohols
    Materia
    Chemical engineering
    Ingeniería química
    URI
    http://hdl.handle.net/10259/4336
    Versión del editor
    http://dx.doi.org/10.1016/j.fluid.2013.07.026
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