Influence of the operating conditions on the electrochemical disinfection process of natural waters at BDD electrodes |
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Authors: | Simonetta Palmas Anna Maria Polcaro Annalisa Vacca Michele Mascia Francesca Ferrara |
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Affiliation: | (1) Dipartimento di Ingegneria Chimica e Materiali, Università degli Studi di Cagliari Piazza d’Armi, 09123 Cagliari, Italy |
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Abstract: | Results are reported of an investigation of the oxidation products formed during electrolyses of aqueous solutions of NaCl,
in which the initial concentration of chloride ions was maintained at levels normally present in natural waters. The Design
of Experiments (DOE) technique has been used effectively to plan a framework of experiments, in which the main operative parameters:
current density, electrolyte stirring rate, and cell geometry, were varied at two levels. Their effects, as well as their
possible interactions have been evaluated on the yield of chloride oxidation and on the selectivity of the reaction towards
the formation of hypochlorite. |
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Keywords: | BDD Chloride oxidation products DOE Electrochemical disinfection Water treatment |
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