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Fluid-phase-equilibrium prediction of fluorocompound-containing binary systems with the predictive E-PPR78 model.

Author(s) : QIAN J. W., PRIVAT R., JAUBERT J-N., et al.

Type of article: Article, IJR article

Summary

In order to reduce the overall emissions of greenhouse gases and to be in compliance with the current environmental regulations, a new class of refrigerants has appeared. Such refrigerants are generally multi-component systems that contain a fluorocompound mixed with CO2 and/or an alkane. In order to design processes involving such blends or to implement a product-design approach aimed at identifying new refrigerant mixtures, an equation of state (EoS) able to predict the properties of fluorocompound-containing systems is required. In order to reach this goal, it was decided in this study to add six fluorinated groups to the Enhanced-PPR78 model which combines the Peng–Robinson EoS and a group contribution method aimed at estimating the binary interaction parameters, kij(T), involved in Van der Waals one-fluid mixing rules.

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Pages: 65-90

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Details

  • Original title: Fluid-phase-equilibrium prediction of fluorocompound-containing binary systems with the predictive E-PPR78 model.
  • Record ID : 30019834
  • Languages: English
  • Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 73
  • Publication date: 2017/01

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