VLLE measurements and correlation for the pentafluoroethane (R125) + n-butane (R600) system (Articolo in rivista)

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Label
  • VLLE measurements and correlation for the pentafluoroethane (R125) + n-butane (R600) system (Articolo in rivista) (literal)
Anno
  • 2004-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.fluid.2004.06.011 (literal)
Alternative label
  • Fedele L.; Bobbo S.; Camporese R.; Stryjek R. (2004)
    VLLE measurements and correlation for the pentafluoroethane (R125) + n-butane (R600) system
    in Fluid phase equilibria; ELSEVIER SCIENCE BV, PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS, AMSTERDAM (Paesi Bassi)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Fedele L.; Bobbo S.; Camporese R.; Stryjek R. (literal)
Pagina inizio
  • 283 (literal)
Pagina fine
  • 289 (literal)
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  • http://www.sciencedirect.com/science/article/pii/S0378381204002407 (literal)
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  • 222-223 (literal)
Rivista
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  • 7 (literal)
Note
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1-3 : Consiglio Nazionale delle Ricerche, Istituto per le Tecnologie della Costruzione, Sede di Padova, Corso Stati Uniti 4, 35127 Padova, Italy / 4 : Polish Acad Sci, Inst Phys Chem, PL-01224 Warsaw, Poland (literal)
Titolo
  • VLLE measurements and correlation for the pentafluoroethane (R125) + n-butane (R600) system (literal)
Abstract
  • Hydrocarbon and hydrofluorocarbon mixtures are possible substitutes for chlorinated refrigerants. This family of mixtures, as pointed out in our studies on VLLE for the difluoromethane (R32) + propane (R290) and (R32) + n-butane (R600) systems, shows the possibility of liquid-liquid phase splitting. In this work, the liquid immiscibility of the pentafluoroethane (R125) + (R600) system has been measured with the cloud-point method down to 200K in a sealed glass cell of about 30 cm3 and equipped with magnetic stirrers. The temperature is maintained at ±3mK and measured to within ±0.1 K. Uncertainty in pressure is estimated to be within ±4 kPa. The bulk composition is gravimetrically measured with an uncertainty of ±0.005 in mole fraction. Having measuredP-T-x data, theVLLEparameters are derived using the Redlich-Kwong-Soave (RKS) and Peng-Robinson (PR) equations of state (EoS), both with the Huron-Vidal mixing rule with the NRTL equation for the excess Gibbs free energy at infinite pressures. (literal)
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