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Evaluation of methane emissions from polyethylene gas distribution systems at medium pressure / Jorge Barroso in Journal of natural gas science and engineering, Vol. 1 N° 4-5 (Novembre 2009) 

Public ISBD [article]  in Journal of natural gas science and engineering > Vol. 1 N° 4-5 (Novembre 2009) . - pp. 144-153 Titre : Evaluation of methane emissions from polyethylene gas distribution systems at medium pressure Type de document : texte imprimé Auteurs : Jorge Barroso, Auteur ; Juan M. Solis, Auteur ; Javier Ballester, Auteur Article en page(s) : pp. 144-153 Note générale : Génie Chimique Langues : Anglais (eng) Mots-clés : Gas  distribution  Methane  emissions  Leakage Index. décimale : 665.7 Résumé : This paper presents new results on the characterisation of leak rates in polyethylene gas distribution systems. The work was motivated by the need to update the emission factors used to estimate methane emissions in Spanish networks. There are included a survey of the emission factors accepted in other countries as well as a detailed characterisation of the leak rates in polyethylene medium pressure mains. The pressure variation method was selected for the field tests, which were fulfilled in 51 Spanish and 13 Mexican sites. The results obtained confirm that the average emission factor for polyethylene gas distribution networks working at medium pressure is 0.46 ± 0.15 Nm3 year−1 m−1. Based on the results of this study, a new calculation methodology has been developed. On the other hand, the experimental data reported here are thought to be representative of polyethylene medium pressure distribution lines in other countries, and might be useful to check existing leak calculation methods. DEWEY : 665.7 ISSN : 1875-5100 En ligne : http://www.sciencedirect.com/science?_ob=PublicationURL&_tockey=%23TOC%2356453%2 [...] [article] Evaluation of methane emissions from polyethylene gas distribution systems at medium pressure [texte imprimé] / Jorge Barroso, Auteur ; Juan M. Solis, Auteur ; Javier Ballester, Auteur . - pp. 144-153. Génie Chimique Langues : Anglais (eng) in Journal of natural gas science and engineering > Vol. 1 N° 4-5 (Novembre 2009) . - pp. 144-153 Mots-clés : Gas  distribution  Methane  emissions  Leakage Index. décimale : 665.7 Résumé : This paper presents new results on the characterisation of leak rates in polyethylene gas distribution systems. The work was motivated by the need to update the emission factors used to estimate methane emissions in Spanish networks. There are included a survey of the emission factors accepted in other countries as well as a detailed characterisation of the leak rates in polyethylene medium pressure mains. The pressure variation method was selected for the field tests, which were fulfilled in 51 Spanish and 13 Mexican sites. The results obtained confirm that the average emission factor for polyethylene gas distribution networks working at medium pressure is 0.46 ± 0.15 Nm3 year−1 m−1. Based on the results of this study, a new calculation methodology has been developed. On the other hand, the experimental data reported here are thought to be representative of polyethylene medium pressure distribution lines in other countries, and might be useful to check existing leak calculation methods. DEWEY : 665.7 ISSN : 1875-5100 En ligne : http://www.sciencedirect.com/science?_ob=PublicationURL&_tockey=%23TOC%2356453%2 [...]