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M. Oturan, N. Oturan, Claude Lahitte, S. Trevin (2001)
Production of hydroxyl radicals by electrochemically assisted Fenton's reagent: Application to the mineralization of an organic micropollutant, pentachlorophenolJournal of Electroanalytical Chemistry, 507
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Ozonation: a tool for removal of pharmaceuticals, contrast media and musk fragrances from wastewater?Water research, 37 8
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Removal of pharmaceuticals during drinking water treatment.Environmental science & technology, 36 17
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Catalytic effect of Fe2+, Cu2+ and UVA light on the electrochemical degradation of nitrobenzene using an oxygen-diffusion cathodeNew Journal of Chemistry, 28
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Paracetamol oxidation from aqueous solutions by means of ozonation and H2O2/UV system.Water research, 37 5
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Environmental Context. Even after passing through water treatment plants, discarded pharmaceuticals have been linked with poisoning aquatic life. A simple and reliable method for treating household wastewater would alleviate this issue. Using the common pain reliever paracetamol as a model, the simple combination of dissolved iron and copper with ultraviolet light is shown to fully decompose (‘mineralize’) this drug into simple inorganic components, which represents an improvement over current treatments with ozone or peroxides, that achieve only partial mineralization. Abstract. Paracetamol solutions at pH 3.0 have been efficiently mineralized by environmentally clean electrochemical methods such as electro-Fenton and photoelectro-Fenton processes using a cell with a Pt anode and an O 2 -diffusion cathode for H 2 O 2 electrogeneration. This species reacts with added Fe 2+ giving hydroxyl radical as main oxidant. Photoelectro-Fenton with Fe 2+ , Cu 2+ , and UVA light as catalysts leads to complete mineralization due to the removal of the final carboxylic acids (oxalic and oxamic). When catalysts are used separately, both acids or part of them remain in solution, giving a partial (> 65%) mineralization.
Environmental Chemistry – CSIRO Publishing
Published: Jun 30, 2004
Keywords: catalysis — drugs — electrochemistry — oxidation — water treatment
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