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Formation of H2 and H2O2 in a water - spray gliding arc nonthermal plasma reactor / R. Burlica in Industrial & engineering chemistry research, Vol. 49 N° 14 (Juillet 2010) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 49 N° 14 (Juillet 2010) . - pp. 6342–6349 Titre : Formation of H2 and H2O2 in a water - spray gliding arc nonthermal plasma reactor Type de document : texte imprimé Auteurs : R. Burlica, Auteur ; K.-Y. Shih, Auteur ; B. R. Locke, Auteur Année de publication : 2010 Article en page(s) : pp. 6342–6349 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Plasma  Reactor  nonthermal Résumé : The formation rates and energy yields of H2 and H2O2 from pure water exposed to a nonthermal pulsed plasma-gliding arc reactor equipped with a spray nozzle were determined. Both H2 and H2O2 formation rates were the highest with the argon carrier where the maximum energy yields were 13 and 81 g/kWh, respectively. Both H2O2 and H2 were suppressed with carrier gases (air and nitrogen) where significant amounts of nitrates are formed. The energy yields of H2 and H2O2 with the argon carrier gas in the present work are higher than previously reported microwave plasma, corona, and AC gliding arc. The results for H2 are very close to an ideal quenching limit of 45% of thermodynamic limitations, thereby suggesting that the presence of water droplets in the plasma enhance energy yield through enhanced quenching of radicals and reactions that destroy the desired molecular products. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie100038g [article] Formation of H2 and H2O2 in a water - spray gliding arc nonthermal plasma reactor [texte imprimé] / R. Burlica, Auteur ; K.-Y. Shih, Auteur ; B. R. Locke, Auteur . - 2010 . - pp. 6342–6349. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 49 N° 14 (Juillet 2010) . - pp. 6342–6349 Mots-clés : Plasma  Reactor  nonthermal Résumé : The formation rates and energy yields of H2 and H2O2 from pure water exposed to a nonthermal pulsed plasma-gliding arc reactor equipped with a spray nozzle were determined. Both H2 and H2O2 formation rates were the highest with the argon carrier where the maximum energy yields were 13 and 81 g/kWh, respectively. Both H2O2 and H2 were suppressed with carrier gases (air and nitrogen) where significant amounts of nitrates are formed. The energy yields of H2 and H2O2 with the argon carrier gas in the present work are higher than previously reported microwave plasma, corona, and AC gliding arc. The results for H2 are very close to an ideal quenching limit of 45% of thermodynamic limitations, thereby suggesting that the presence of water droplets in the plasma enhance energy yield through enhanced quenching of radicals and reactions that destroy the desired molecular products. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie100038g