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Journal of the Mexican Chemical Society

Print version ISSN 1870-249X


CORIA, Gabriela; NAVA, José L.  and  CARRENO, Gilberto. Electrooxidation of Diclofenac in Synthetic Pharmaceutical Wastewater Using an Electrochemical Reactor Equipped with a Boron Doped Diamond Electrode. J. Mex. Chem. Soc [online]. 2014, vol.58, n.3, pp.303-308. ISSN 1870-249X.

This paper deals with the degradation of diclofenac by electrochemical oxidation in NaClO4 medium at neutral pH using a FM01-LC reactor equipped with a boron doped diamond electrode (BDD). Microelectrolysis studies were carried out to find the current density domain where hydroxyl radical (OH) formation is favored, 10 ≤ j ≤ 20 mA cm−2. Electrolysis experiments at mean linear flow velocities of 14.6 ≤ u ≤ 58.4 cm s−1 were performed. The experimental set-up achieved 100% diclofenac mineralization with 78% current efficiency and energy consumption of 2.54 kWh m−3 at j = 15 mA cm−2 and u=29.2 cm s−1.

Keywords : Degradation of diclofenac; boron doped diamond electrode; water treatment; electrooxidation; FM01-LC reactor.

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