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Combustion and destruction/removal efficiencies of In-use chemical flares in the greater houston area / Ezra C. Wood in Industrial & engineering chemistry research, Vol. 51 N° 39 (Octobre 2012) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 51 N° 39 (Octobre 2012) . - pp. 12685-12696 Titre : Combustion and destruction/removal efficiencies of In-use chemical flares in the greater houston area Type de document : texte imprimé Auteurs : Ezra C. Wood, Auteur ; Scott C. Herndon, Auteur ; Ed C. Fortner, Auteur Année de publication : 2012 Article en page(s) : pp. 12685-12696 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Combustion Résumé : Alkene emissions from the petrochemical industry contribute significantly to ozone production in the greater Houston area but are underestimated in emission inventories. It is not well-known which processes (e.g., fugitive emissions, chemical flare emissions, etc.) are responsible for these underreported emissions. We use fast time response and ground-based mobile measurements of numerous trace gas species to characterize alkene plumes from three identified chemical flares in the greater Houston area. We calculate the combustion efficiency and destruction and removal efficiency (DRE) values of these flares using the carbon balance method. All three flares were operating at DRE values lower than required by regulation. An examination of photochemistry in flare exhaust plumes indicates that the impact of direct formaldehyde emissions from flares on ozone formation is small as compared to the impact of alkene emissions. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26419223 [article] Combustion and destruction/removal efficiencies of In-use chemical flares in the greater houston area [texte imprimé] / Ezra C. Wood, Auteur ; Scott C. Herndon, Auteur ; Ed C. Fortner, Auteur . - 2012 . - pp. 12685-12696. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 39 (Octobre 2012) . - pp. 12685-12696 Mots-clés : Combustion Résumé : Alkene emissions from the petrochemical industry contribute significantly to ozone production in the greater Houston area but are underestimated in emission inventories. It is not well-known which processes (e.g., fugitive emissions, chemical flare emissions, etc.) are responsible for these underreported emissions. We use fast time response and ground-based mobile measurements of numerous trace gas species to characterize alkene plumes from three identified chemical flares in the greater Houston area. We calculate the combustion efficiency and destruction and removal efficiency (DRE) values of these flares using the carbon balance method. All three flares were operating at DRE values lower than required by regulation. An examination of photochemistry in flare exhaust plumes indicates that the impact of direct formaldehyde emissions from flares on ozone formation is small as compared to the impact of alkene emissions. ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=26419223