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Investigation of bulk and interfacial properties for nitrogen and light hydrocarbon binary mixtures by perturbed-chain statistical associating fluid theory combined with density-gradient theory / SongTao Liu in Industrial & engineering chemistry research, Vol. 48 N° 23 (Décembre 2009) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 48 N° 23 (Décembre 2009) . - pp. 10734–10739 Titre : Investigation of bulk and interfacial properties for nitrogen and light hydrocarbon binary mixtures by perturbed-chain statistical associating fluid theory combined with density-gradient theory Type de document : texte imprimé Auteurs : SongTao Liu, Auteur ; Dong Fu, Auteur ; JianYi Lu, Auteur Année de publication : 2010 Article en page(s) : pp. 10734–10739 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Investigation--Bulk--Interfacial--Properties--Nitrogen--  Hydrocarbon--Binary--Mixtures--Perturbed-Chain--Statistical--Associating--Fluid  Theory--Combined--Density-Gradient Résumé : The perturbed-chain statistical associating fluid theory (PC-SAFT) and density-gradient theory (DGT) are used to construct an equation of state (EOS) for the phase behavior of the binary mixtures of nitrogen and light hydrocarbons. With the molecular parameters and influence parameters respectively regressed from bulk properties and surface tensions of pure fluids as input, both the bulk and the interfacial properties for binary mixtures are investigated. The calculated surface tensions of nitrogen−pentane, nitrogen−hexane, nitrogen−heptane, nitrogen−octane, nitrogen−decane, and nitrogen−toluene binary mixtures are satisfactory as compared to the experimental data. Our results show that PC-SAFT combined with DGT is able to describe the interfacial properties of the binary mixtures of nitrogen−light hydrocarbons in wide pressure range and illustrate the influences of temperature, pressure, and bulk properties on the interfacial properties. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie9007437 [article] Investigation of bulk and interfacial properties for nitrogen and light hydrocarbon binary mixtures by perturbed-chain statistical associating fluid theory combined with density-gradient theory [texte imprimé] / SongTao Liu, Auteur ; Dong Fu, Auteur ; JianYi Lu, Auteur . - 2010 . - pp. 10734–10739. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 48 N° 23 (Décembre 2009) . - pp. 10734–10739 Mots-clés : Investigation--Bulk--Interfacial--Properties--Nitrogen--  Hydrocarbon--Binary--Mixtures--Perturbed-Chain--Statistical--Associating--Fluid  Theory--Combined--Density-Gradient Résumé : The perturbed-chain statistical associating fluid theory (PC-SAFT) and density-gradient theory (DGT) are used to construct an equation of state (EOS) for the phase behavior of the binary mixtures of nitrogen and light hydrocarbons. With the molecular parameters and influence parameters respectively regressed from bulk properties and surface tensions of pure fluids as input, both the bulk and the interfacial properties for binary mixtures are investigated. The calculated surface tensions of nitrogen−pentane, nitrogen−hexane, nitrogen−heptane, nitrogen−octane, nitrogen−decane, and nitrogen−toluene binary mixtures are satisfactory as compared to the experimental data. Our results show that PC-SAFT combined with DGT is able to describe the interfacial properties of the binary mixtures of nitrogen−light hydrocarbons in wide pressure range and illustrate the influences of temperature, pressure, and bulk properties on the interfacial properties. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie9007437