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Estudio teórico de algunas propiedades termodinámicas de los ácidos grasos obtenidos como destilados en la desodorización de aceites comestibles

Authors: Prieto González, María Manuela; Bada Gancedo, Juan Carlos; Lombardía Prendes, María Isabel; Graciani Constante, Enrique;

Estudio teórico de algunas propiedades termodinámicas de los ácidos grasos obtenidos como destilados en la desodorización de aceites comestibles

Abstract

[EN]Nowadays the feasibility of a change of technology in the deodorization stage of edible vegetable oil refining is being investigated. The proposed technology involves a modification in the composition of the distillates coming from the deodorization stage and their further treatment. To design the apparatus which are required by the proposed technology it is necessary to study the physical properties of the distillates. The thermodynamic properties of the fatty acids: palmitic, stearic, oleic and linoleic, which are the principal components produced at the deodorization stage have been studied. The properties that have been studied were those corresponding to the critical point (critical temperature, pressure and volume), the vapour pressure-temperature relation and the latent heat of vaporisation. Different methods to estimate the above mentioned properties and some experimental published data have been compared

[ES]Actualmente se investiga la viabilidad de un cambio en la tecnología de la desodorización de aceites comestibles que afecta a la composición de los destilados que se obtienen en el proceso y al tratamiento de los mismos. El diseño de los equipos que conlleva este cambio de tecnología requiere el estudio de propiedades físicas de los destilados. Se han estudiado algunas propiedades termodinámicas de los ácidos palmítico, esteárico, oleico y linoleico, componentes mayoritarios resultantes del proceso de desodorización. Las propiedades estudiadas han sido las correspondientes al punto crítico (temperatura, presión y volumen críticos), las curvas de presión de vapor en función de la temperatura y el calor latente de vaporización. Se han recogido distintos métodos de estimación de las mencionadas propiedades y algunos datos experimentales, y se han comparado los resultados obtenidos

Los autores hacen constar su agradecimiento a La Comisión Interministerial de Ciencia y Tecnología, por las ayudas recibidas para la realización de este trabajo: ALI 91 0720, PTR 93 0061, ALI 94 0716 y ALI 95 0517.

Peer reviewed

Keywords

Thermodynamic properties, Latent heat, Vaporization, Calor latente, Propiedad termodinámica, Fatty acids, Vaporización, Ácidos grasos

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green