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

V. Manivasagan | Zendy; C. Ahmed Basha | Zendy; T. Kannadasan | Zendy; K. Saranya | Zendy

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

Author(s) -

V. Manivasagan,

C. Ahmed Basha,

T. Kannadasan,

K. Saranya

Publication year - 2012

Publication title -

portugaliae electrochimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.252

H-Index - 27

eISSN - 1647-1571

pISSN - 0872-1904

DOI - 10.4152/pea.201206385

Subject(s) - degradation (telecommunications) , process (computing) , fenton reaction , batch reactor , environmental science , chemistry , chemical engineering , pulp and paper industry , process engineering , materials science , computer science , radical , catalysis , organic chemistry , engineering , telecommunications , operating system

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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