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Research on azeotropic or near-azeotropic mixtures of halogenated alkanes for replacing CFCs in refrigerating machines, and calculation of their thermodynamic properties.

Recherche de mélanges azéotropiques ou quasi azéotropiques d'alcanes halogénés pour la substitution des CFC dans les machines frigorifiques et calcul de leurs propriétés thermodynamiques.

Author(s) : JADOT R.

Type of article: Article

Summary

The author describes the methodology he uses to study the possibilities of obtaining azeotropic or near-azeotropic mixtures, with a view to replacing CFCs. With the data on liquid-vapour equilibrium of the components, a simulation model of molecular interactions (UNIFAC) can be used to predict those of the mixture and, hence, the equation-of-state parameters. The method is valid to within 5% for any mixture of halogenated derivates of saturated alkanes.

Details

  • Original title: Recherche de mélanges azéotropiques ou quasi azéotropiques d'alcanes halogénés pour la substitution des CFC dans les machines frigorifiques et calcul de leurs propriétés thermodynamiques.
  • Record ID : 1994-2121
  • Languages: French
  • Source: Chal. Climats/Warmte Klim. - n. 640
  • Publication date: 1993/05
  • Document available for consultation in the library of the IIR headquarters only.

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