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Reduction of nitrite by ultrasound-dispersed nanoscale zero-valent iron particles / Feng Liang ; Jing Fan ; Yanhui Guo in Industrial & engineering chemistry research, Vol. 47 n°22 (Novembre 2008) 

Public ISBD [article]  in Industrial & engineering chemistry research > Vol. 47 n°22 (Novembre 2008) . - p. 8550–8554 Titre : Reduction of nitrite by ultrasound-dispersed nanoscale zero-valent iron particles Type de document : texte imprimé Auteurs : Feng Liang, Auteur ; Jing Fan, Auteur ; Yanhui Guo, Auteur Année de publication : 2008 Article en page(s) : p. 8550–8554 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Nitrite  Ultrasound  Iron Résumé : This research focuses on the removal of nitrite by ultrasound-dispersed nanoscale zerovalent iron (NZVI) particles. The factors affecting the removal of nitrite, namely, the length of ultrasonication time, the dosage of NZVI, the initial nitrite concentration, the temperature, and the solution pH, were investigated. Kinetics studies revealed that the denitrification process is a pseudo-first-order reaction with respect to the concentration of nitrite under the given experimental conditions. The derived activation energy of NZVI-based nitrite reduction is 31.44 kJ·mol−1. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8003946 [article] Reduction of nitrite by ultrasound-dispersed nanoscale zero-valent iron particles [texte imprimé] / Feng Liang, Auteur ; Jing Fan, Auteur ; Yanhui Guo, Auteur . - 2008 . - p. 8550–8554. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 47 n°22 (Novembre 2008) . - p. 8550–8554 Mots-clés : Nitrite  Ultrasound  Iron Résumé : This research focuses on the removal of nitrite by ultrasound-dispersed nanoscale zerovalent iron (NZVI) particles. The factors affecting the removal of nitrite, namely, the length of ultrasonication time, the dosage of NZVI, the initial nitrite concentration, the temperature, and the solution pH, were investigated. Kinetics studies revealed that the denitrification process is a pseudo-first-order reaction with respect to the concentration of nitrite under the given experimental conditions. The derived activation energy of NZVI-based nitrite reduction is 31.44 kJ·mol−1. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie8003946