Effects of reaction conditions on elemental mercury oxidation in simulated flue gas by DC nonthermal plasma / Meiyan Wang in Industrial & engineering chemistry research, Vol. 50 N° 10 (Mai 2011)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 50 N° 10 (Mai 2011) . - pp. 5914-5919 Titre : Effects of reaction conditions on elemental mercury oxidation in simulated flue gas by DC nonthermal plasma Type de document : texte imprimé Auteurs : Meiyan Wang, Auteur ; Tianle Zhu, Auteur ; Hongjing Luo, Auteur Année de publication : 2011 Article en page(s) : pp. 5914-5919 Note générale : Chimie industrielle Langues : Anglais (eng) Mots-clés : Non thermal plasma Gaseous effluent Oxidation Zerovalent metal Résumé : The effects of discharge polarity, discharge electrode configuration, O2/CO2 ratio, and water vapor on the elemental mercury (Hg0) oxidation in simulated flue gas were investigated in a wire-cylinder plasma reactor energized by DC power. The Hg0 oxidation efficiency increases with the increase of specific energy density (SED). Compared with the glow corona discharge energized by negative DC high voltage, the streamer corona discharge induced by positive DC high voltage exhibits a much higher Hg0 oxidation efficiency under identical SED. The discharge electrode configuration significantly influences the energy density in the plasma reactor, but hardly affects Hg0 oxidation for a fixed SED. The increase of O2/CO2 ratio in simulated flue gas obviously enhances Hg0 oxidation. However, with the addition of H2O, Hg0 oxidation is remarkably restrained due to the decrease of O3 formation. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=24158887 [article] Effects of reaction conditions on elemental mercury oxidation in simulated flue gas by DC nonthermal plasma [texte imprimé] / Meiyan Wang, Auteur ; Tianle Zhu, Auteur ; Hongjing Luo, Auteur . - 2011 . - pp. 5914-5919. Chimie industrielle Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 50 N° 10 (Mai 2011) . - pp. 5914-5919 Mots-clés : Non thermal plasma Gaseous effluent Oxidation Zerovalent metal Résumé : The effects of discharge polarity, discharge electrode configuration, O2/CO2 ratio, and water vapor on the elemental mercury (Hg0) oxidation in simulated flue gas were investigated in a wire-cylinder plasma reactor energized by DC power. The Hg0 oxidation efficiency increases with the increase of specific energy density (SED). Compared with the glow corona discharge energized by negative DC high voltage, the streamer corona discharge induced by positive DC high voltage exhibits a much higher Hg0 oxidation efficiency under identical SED. The discharge electrode configuration significantly influences the energy density in the plasma reactor, but hardly affects Hg0 oxidation for a fixed SED. The increase of O2/CO2 ratio in simulated flue gas obviously enhances Hg0 oxidation. However, with the addition of H2O, Hg0 oxidation is remarkably restrained due to the decrease of O3 formation. DEWEY : 660 ISSN : 0888-5885 En ligne : http://cat.inist.fr/?aModele=afficheN&cpsidt=24158887

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