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      Degradation of Parachlorophenol by Electro-Fenton and Photo-Fenton Process Using Batch Recirculation Reactor

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          Abstract

          Chlorophenols are a group of special interest due to their high toxicity and low bio degradability. Advanced oxidation process constitutes a promising technology for the treatment of wastewaters containing non-easily removable organic compounds. Several electro chemical processes are based on mediated electro chemical oxidation. The present study envisages the utility of electro-fenton and photo-fenton process for the degradation of parachlorophenol from aqueous solution by the electro oxidation under acidic condition. Experiments were carried out under batch recirculation conditions with stainless steel as cathodes and RuO2 coated titanium expanded mesh as anodes. Electrolysis was carried out with various current densities and flow rate using mediated electro chemical oxidation process with fenton mediator (Fe2+ / Fe3+ + H2O2). Extent of dehydration and reduction in COD was studied as a function of applied current, electrolysis time and concentration of ferrous ion. The electrolysis was carried at optimised conditions to achieve efficiencies higher than 80%.

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          Most cited references32

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          Handbook of Water and Wastewater Treatment Technologies

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            Biotreatment of industrial effluents

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              Bioresour Technol

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                pea
                Portugaliae Electrochimica Acta
                Port. Electrochim. Acta
                Sociedade Portuguesa de Electroquímica (Coimbra )
                0872-1904
                November 2012
                : 30
                : 6
                : 385-393
                Affiliations
                [1 ] Adhiyamaan college of Engineering India
                [2 ] Coimbatore Institute of Technology India
                Article
                S0872-19042012000600002
                10.4152/pea.201206385
                4fdec94b-8b01-4cdc-8c39-62fa0e1713e2

                http://creativecommons.org/licenses/by/4.0/

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                SciELO Portugal

                Self URI (journal page): http://www.scielo.mec.pt/scielo.php?script=sci_serial&pid=0872-1904&lng=en
                Categories
                ELECTROCHEMISTRY

                Electrochemistry
                chlorophenols,electrolysis,Fenton mediator,degradation,wastewater
                Electrochemistry
                chlorophenols, electrolysis, Fenton mediator, degradation, wastewater

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