Mineralization of trace nitro/chloro/methyl/amino-aromatic contaminants in wastewaters by advanced oxidation processes / Wenjuan Huang in Industrial & engineering chemistry research, Vol. 49 N° 13 (Juillet 2010)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 49 N° 13 (Juillet 2010) . - pp. 6243–6249 Titre : Mineralization of trace nitro/chloro/methyl/amino-aromatic contaminants in wastewaters by advanced oxidation processes Type de document : texte imprimé Auteurs : Wenjuan Huang, Auteur ; Yuanhui Ji, Auteur ; Zhuhong Yang, Auteur Année de publication : 2010 Article en page(s) : pp. 6243–6249 Note générale : chamical angineering Langues : Anglais (eng) Mots-clés : Aromatic contaminants Mineralization Résumé : It has great significance to investigate the degradation of aromatic contaminants as they are highly carcinogenic and nondegradable pollutants in drinking water. In this paper, the mineralization orders of the representative nitro/chloro/methyl/amino-aromatic contaminants with oxidants (·OH, H2O2, ·O−, O2,O3) in advanced oxidation processes (AOPs) are investigated based on the calculated standard molar Gibbs free energy changes of reaction (ΔrGm0) and the results are consistent with those from previous experimental results, electrophilic substitution orientation rules of the Hammett equation, and predicted results with a quantitative structure−activity relationship (QSAR). In addition, the quantitative function relationship between the degradation rate (r) of the aromatic contaminants and the thermodynamic driving force (ΔrGm0) is analyzed in order to investigate the degradation kinetics more rigorously. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie100116c [article] Mineralization of trace nitro/chloro/methyl/amino-aromatic contaminants in wastewaters by advanced oxidation processes [texte imprimé] / Wenjuan Huang, Auteur ; Yuanhui Ji, Auteur ; Zhuhong Yang, Auteur . - 2010 . - pp. 6243–6249. chamical angineering Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 49 N° 13 (Juillet 2010) . - pp. 6243–6249 Mots-clés : Aromatic contaminants Mineralization Résumé : It has great significance to investigate the degradation of aromatic contaminants as they are highly carcinogenic and nondegradable pollutants in drinking water. In this paper, the mineralization orders of the representative nitro/chloro/methyl/amino-aromatic contaminants with oxidants (·OH, H2O2, ·O−, O2,O3) in advanced oxidation processes (AOPs) are investigated based on the calculated standard molar Gibbs free energy changes of reaction (ΔrGm0) and the results are consistent with those from previous experimental results, electrophilic substitution orientation rules of the Hammett equation, and predicted results with a quantitative structure−activity relationship (QSAR). In addition, the quantitative function relationship between the degradation rate (r) of the aromatic contaminants and the thermodynamic driving force (ΔrGm0) is analyzed in order to investigate the degradation kinetics more rigorously. En ligne : http://pubs.acs.org/doi/abs/10.1021/ie100116c

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