Synergy of electrochemical / O3 process with aluminum electrodes in industrial wastewater treatment / Carlos Barrera-Díaz in Industrial & engineering chemistry research, Vol. 51 N° 27 (Juillet 2012)  

Public ISBD [article]  inIndustrial & engineering chemistry research > Vol. 51 N° 27 (Juillet 2012) . - pp. 9335–9342 Titre : Synergy of electrochemical / O3 process with aluminum electrodes in industrial wastewater treatment Type de document : texte imprimé Auteurs : Carlos Barrera-Díaz, Auteur ; Lina. A. Bernal-Martinez, Auteur ; Reyna Natividad, Auteur Année de publication : 2012 Article en page(s) : pp. 9335–9342 Note générale : Industrial chemistry Langues : Anglais (eng) Mots-clés : Electrochemical Electrodes Résumé : This study aimed to evaluate the effects of pH (3–9) and current density (16–66 mA/cm2) on the removal of COD, color, and turbidity with electrochemical, ozonation, and combined electrochemical/ozonation processes. Regarding the electrochemical process, under optimal conditions of pH 9 and a current density of 66 mA/cm2, the chemical oxygen demand (COD) was reduced by 44% after 30 min. The ozonation treatment was found to be more effective at pH 9 and reduced 63% of the original COD after only 12.5 min of treatment. Combining the electrochemical and ozonation processes resulted in a synergy that enhanced the removal of all three contaminants (COD, color, and turbidity). A COD removal of 79% (170 mg/L) was attained after only 12.5 min and at relatively low current density. Thus, the combination of the electrochemical and ozonation processes is able to noticeably improve wastewater quality. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie3004144 [article] Synergy of electrochemical / O3 process with aluminum electrodes in industrial wastewater treatment [texte imprimé] / Carlos Barrera-Díaz, Auteur ; Lina. A. Bernal-Martinez, Auteur ; Reyna Natividad, Auteur . - 2012 . - pp. 9335–9342. Industrial chemistry Langues : Anglais (eng) in Industrial & engineering chemistry research > Vol. 51 N° 27 (Juillet 2012) . - pp. 9335–9342 Mots-clés : Electrochemical Electrodes Résumé : This study aimed to evaluate the effects of pH (3–9) and current density (16–66 mA/cm2) on the removal of COD, color, and turbidity with electrochemical, ozonation, and combined electrochemical/ozonation processes. Regarding the electrochemical process, under optimal conditions of pH 9 and a current density of 66 mA/cm2, the chemical oxygen demand (COD) was reduced by 44% after 30 min. The ozonation treatment was found to be more effective at pH 9 and reduced 63% of the original COD after only 12.5 min of treatment. Combining the electrochemical and ozonation processes resulted in a synergy that enhanced the removal of all three contaminants (COD, color, and turbidity). A COD removal of 79% (170 mg/L) was attained after only 12.5 min and at relatively low current density. Thus, the combination of the electrochemical and ozonation processes is able to noticeably improve wastewater quality. ISSN : 0888-5885 En ligne : http://pubs.acs.org/doi/abs/10.1021/ie3004144

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