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Equation de Gibbs pour les solutions aqueuses de LiBr.

A Gibbs energy equation for LiBr aqueous solutions.

Auteurs : KIM D. S., INFANTE FERREIRA C. A.

Type d'article : Article, Article de la RIF

Résumé

The LiBr aqueous solution has been the most popular choice in the absorption cooling industry. As increasing interest is paid to the exploitation of its unconventional working range for various new applications, and the need of a wide-ranging thermodynamic description of the solution has been growing. In order to meet the observed need, this paper presents a Gibbs energy equation valid for the solutions in the concentration range from 0 to 70 LiBr wt% and the temperatures from 0 to 210 °C with the equilibrium pressures ranging from 74 to 1 MPa. The osmotic coefficients were determined for 405 experimental densities and 487 vapour pressure data collected from the literature. A function for the partial molar enthalpy of infinitely dilute solution has been developed and the resulting enthalpy and entropy values are evaluated.

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Format PDF

Pages : 36-46

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Détails

  • Titre original : A Gibbs energy equation for LiBr aqueous solutions.
  • Identifiant de la fiche : 2006-0737
  • Langues : Anglais
  • Source : International Journal of Refrigeration - Revue Internationale du Froid - vol. 29 - n. 1
  • Date d'édition : 01/2006

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