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Revista de la Sociedad Química del Perú
versión impresa ISSN 1810-634X
Resumen
LA ROSA TORO, Adolfo y PONCE VARGAS, Miguel. Evaluation of cobalt spinel and lead dioxide electrodes in electrochemical oxidation of azo compounds. Rev. Soc. Quím. Perú [online]. 2007, vol.73, n.4, pp.183-196. ISSN 1810-634X.
The electrolysis is an efficient alternative to oxidize the compounds responsible for the color of the textile industry waste waters, like the azo compounds. The material of which is manufactured the electrode and the pH of the solution has been identified as decisive to reach the maximum current efficiency. In this study, the electrochemical oxidation of the methyl orange: sodium 4-(4- dimethylaminophenylazo) benzensulfonate, was carried out using cobalt spinel, lead dioxide and graphite electrodes, in a sodium chloride solution at different pH values.
Palabras clave : Electrocatalysis; cobalt spinel; lead dioxide.