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Electrochemical treatment of wastewater containing polyaromatic organic pollutants

Tipo de material: TextoTextoSeries ; Water Research, 34(9), p.2601-2605, 2000Trabajos contenidos:
  • Panizza, M
  • Bocca, C
  • Cerisola, G
Tema(s): Recursos en línea: Resumen: Disposal of industrial wastewater containing naphthalene- and anthraquinone-sulphonic acids by electrochemical methods has been studied in this paper. It was found that only a small fraction of the organics was oxidised by direct electrolyses, while complete mineralisation of the organics was obtained with the indirect process, electrogenerating hypochlorite from chloride oxidation. The e_ects of operating factors, such as anode materials and chloride concentration, were also investigated. The experimental data suggested that the Ti/Pt anodes had the highest electrocatalytic activity and increasing the chloride concentration in the electrolyte resulted in an increasing of COD and colour removal.
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Disposal of industrial wastewater containing naphthalene- and anthraquinone-sulphonic acids by electrochemical methods has been studied in this paper. It was found that only a small fraction of the organics was oxidised by direct electrolyses, while complete mineralisation of the organics was obtained with the indirect process, electrogenerating hypochlorite from chloride oxidation. The e_ects of operating factors, such as anode materials and chloride concentration, were also investigated. The experimental data suggested that the Ti/Pt anodes had the highest electrocatalytic activity and increasing the chloride concentration in the electrolyte resulted in an increasing of COD and colour removal.

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