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Ti / SnO2 – Sb2O5 – RuO2 / a - PbO2 / B - PbO2 electrodes for pollutants degradation / Yinghan Zheng in Chemical engineering journal, Vol. 174 N° 1 (Octobre 2011) 

Public ISBD [article]  in Chemical engineering journal > Vol. 174 N° 1 (Octobre 2011) . - pp.304–309 Titre : Ti / SnO2 – Sb2O5 – RuO2 / a - PbO2 / B - PbO2 electrodes for pollutants degradation Type de document : texte imprimé Auteurs : Yinghan Zheng, Auteur ; Wenqiu Su, Auteur ; Shengying Chen, Auteur Année de publication : 2012 Article en page(s) : pp.304–309 Note générale : Génie chimique Langues : Anglais (eng) Mots-clés : PbO2  electrodes  Wastewater  Electrochemical  degradation  Phenol  4-Chlorophenol Résumé : The SnO2–Sb2O5–RuO2, α-PbO2 and β-PbO2 films were successfully deposited on Ti nets using thermal deposition and electrodeposition methods. It was found that the SnO2–Sb2O5–RuO2 interlayer played a very important role in enhancing the PbO2 films electrodeposition. The Ti/SnO2–Sb2O5–RuO2/α-PbO2/β-PbO2 electrodes obtained were superior not only in electrochemical stability but also in activity for pollutants degradation. The lifetime reached 59 h under the accelerated life test conditions at a current density of 4 A/cm2 in 0.5 M H2SO4 solution. The COD removal and average current efficiencies were about 94% and 53% for degrading 500 mg/L phenol at a current density of 100 A/m2, and about 82% and 25% for degrading 1 mM 4-chlorophenol at 200 A/m2. ISSN : 1385-8947 En ligne : http://www.sciencedirect.com/science/article/pii/S138589471101093X [article] Ti / SnO2 – Sb2O5 – RuO2 / a - PbO2 / B - PbO2 electrodes for pollutants degradation [texte imprimé] / Yinghan Zheng, Auteur ; Wenqiu Su, Auteur ; Shengying Chen, Auteur . - 2012 . - pp.304–309. Génie chimique Langues : Anglais (eng) in Chemical engineering journal > Vol. 174 N° 1 (Octobre 2011) . - pp.304–309 Mots-clés : PbO2  electrodes  Wastewater  Electrochemical  degradation  Phenol  4-Chlorophenol Résumé : The SnO2–Sb2O5–RuO2, α-PbO2 and β-PbO2 films were successfully deposited on Ti nets using thermal deposition and electrodeposition methods. It was found that the SnO2–Sb2O5–RuO2 interlayer played a very important role in enhancing the PbO2 films electrodeposition. The Ti/SnO2–Sb2O5–RuO2/α-PbO2/β-PbO2 electrodes obtained were superior not only in electrochemical stability but also in activity for pollutants degradation. The lifetime reached 59 h under the accelerated life test conditions at a current density of 4 A/cm2 in 0.5 M H2SO4 solution. The COD removal and average current efficiencies were about 94% and 53% for degrading 500 mg/L phenol at a current density of 100 A/m2, and about 82% and 25% for degrading 1 mM 4-chlorophenol at 200 A/m2. ISSN : 1385-8947 En ligne : http://www.sciencedirect.com/science/article/pii/S138589471101093X