High-pressure phase behavior of the binary systems (propane + diamantane) and (ethane + diamantane) / Wim Poot in Industrial & engineering chemistry research, Vol. 47 n°15 (Août 2008)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 47 n°15 (Août 2008) . - p. 5146–5151 Titre : High-pressure phase behavior of the binary systems (propane + diamantane) and (ethane + diamantane) Type de document : texte imprimé Auteurs : Wim Poot, Auteur ; Theo W. de Loos, Auteur Année de publication : 2008 Article en page(s) : p. 5146–5151 Note générale : Bibliogr. p. 5151 Langues : Anglais (eng) Mots-clés : Vapor-liquid equilibria  Solid-fluid Propane + diamantane system  Ethane system Résumé : (Solid + fluid) and (vapor + liquid) equilibria for the binary systems (propane + diamantane) and (ethane + diamantane) were determined according to the synthetic method in the temperature range 360−510 K and in the pressure ranges 0.3−14 and 0.3−200 MPa, respectively. Also, for both systems the high-temperature branch of the three-phase curve (solid diamantane + liquid + vapor) was determined. In both systems, this curve starts at the second critical endpoint where the three-phase curve intersects the vapor—liquid critical curve and runs to higher temperature with a negative slope dP/dT to the triple point of diamantane. Due to a solid—solid transition of pure diamantane, the three-phase curve (solid diamantane + liquid + vapor) of both systems shows an abrupt change in slope at the point where it intersects the solid—solid transition curve of diamantane. This quadruple point SISIILV is found for (propane + diamantane) at T = 442.64 K and P = 4.110 MPa and for (ethane + diamantane) at T = 445.49 K and P = 9.35 MPa. Some vapor—liquid critical points at low mole fractions of diamantane are reported as well. The coordinates of the second critical endpoint of the (solid diamantane + liquid + vapor) curve are T = 416.28 K and P = 22.81 MPa for (ethane + diamantane) and T = 402.46 K and P = 6.265 MPa for (propane + diamantane). En ligne : http://pubs.acs.org/doi/abs/10.1021/ie0712481 [article] High-pressure phase behavior of the binary systems (propane + diamantane) and (ethane + diamantane) [texte imprimé] / Wim Poot, Auteur ; Theo W. de Loos, Auteur . - 2008 . - p. 5146–5151. Bibliogr. p. 5151 Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 47 n°15 (Août 2008) . - p. 5146–5151 Mots-clés : Vapor-liquid equilibria  Solid-fluid Propane + diamantane system  Ethane system Résumé : (Solid + fluid) and (vapor + liquid) equilibria for the binary systems (propane + diamantane) and (ethane + diamantane) were determined according to the synthetic method in the temperature range 360−510 K and in the pressure ranges 0.3−14 and 0.3−200 MPa, respectively. Also, for both systems the high-temperature branch of the three-phase curve (solid diamantane + liquid + vapor) was determined. In both systems, this curve starts at the second critical endpoint where the three-phase curve intersects the vapor—liquid critical curve and runs to higher temperature with a negative slope dP/dT to the triple point of diamantane. Due to a solid—solid transition of pure diamantane, the three-phase curve (solid diamantane + liquid + vapor) of both systems shows an abrupt change in slope at the point where it intersects the solid—solid transition curve of diamantane. This quadruple point SISIILV is found for (propane + diamantane) at T = 442.64 K and P = 4.110 MPa and for (ethane + diamantane) at T = 445.49 K and P = 9.35 MPa. Some vapor—liquid critical points at low mole fractions of diamantane are reported as well. The coordinates of the second critical endpoint of the (solid diamantane + liquid + vapor) curve are T = 416.28 K and P = 22.81 MPa for (ethane + diamantane) and T = 402.46 K and P = 6.265 MPa for (propane + diamantane). En ligne : http://pubs.acs.org/doi/abs/10.1021/ie0712481

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