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Application of predictive equations of state in calculating natural gas phase envelopes and critical points / F. Farshchi Tabrizi in Journal of natural gas science and engineering, Vol. 2 N° 1 (Mars 2010) 

Public ISBD [article]  in Journal of natural gas science and engineering > Vol. 2 N° 1 (Mars 2010) . - pp. 21–28 Titre : Application of predictive equations of state in calculating natural gas phase envelopes and critical points Type de document : texte imprimé Auteurs : F. Farshchi Tabrizi, Auteur ; Kh. Nasrifar, Auteur Année de publication : 2010 Article en page(s) : pp. 21–28 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Natural  gas  VLE  Critical  point  Equation  of  state  Binary  interaction  parameter Résumé : The phase equilibria and critical points of natural gas mixtures are calculated from two predictive equations of state. One of the predictive equations of state is introduced in this work. This model takes the advantages of a pressure–volume–temperature relationship that accurately describes the supercritical fugacity of methane and a group contribution method that suitably estimates the binary interaction parameters per pair of natural gas constituents. As a result, this model accurately predicts the vapor–liquid equilibria of natural gas mixtures. It also satisfactorily predicts the critical points of natural gas mixtures. Comparisons with experimental data and the other predictive method are presented. DEWEY : 665.7 ISSN : 1875-5100 En ligne : http://www.sciencedirect.com/science/article/pii/S1875510009000766 [article] Application of predictive equations of state in calculating natural gas phase envelopes and critical points [texte imprimé] / F. Farshchi Tabrizi, Auteur ; Kh. Nasrifar, Auteur . - 2010 . - pp. 21–28. Génie Chimique Langues : Anglais (eng) in Journal of natural gas science and engineering > Vol. 2 N° 1 (Mars 2010) . - pp. 21–28 Mots-clés : Natural  gas  VLE  Critical  point  Equation  of  state  Binary  interaction  parameter Résumé : The phase equilibria and critical points of natural gas mixtures are calculated from two predictive equations of state. One of the predictive equations of state is introduced in this work. This model takes the advantages of a pressure–volume–temperature relationship that accurately describes the supercritical fugacity of methane and a group contribution method that suitably estimates the binary interaction parameters per pair of natural gas constituents. As a result, this model accurately predicts the vapor–liquid equilibria of natural gas mixtures. It also satisfactorily predicts the critical points of natural gas mixtures. Comparisons with experimental data and the other predictive method are presented. DEWEY : 665.7 ISSN : 1875-5100 En ligne : http://www.sciencedirect.com/science/article/pii/S1875510009000766