Electrochemical Oxidation of Chlortetracycline Using and Anode Electrodes: Application of Experimental Design Methodology
Publication: Journal of Environmental Engineering
Volume 139, Issue 6
Abstract
The degradation of chlortetracycline hydrochloride in aqueous medium (initial concentration of ) has been studied by electrooxidation process using and anode electrodes. The performance of the electrolytic cell resulted from its capability of reacting on pollutants by using both effects of electrolysis. Indeed, the organic pollutants can be destroyed at the electrode surface where hydroxyl radicals are generated (direct effect), and they can be simultaneously oxidized in solution by means of active chlorine (indirect effect). Different operating parameters, such as current density, reaction time, and temperature, were investigated. The optimal experimental parameters for chlortetracycline degradation have been investigated by using a central composite design (CCD) methodology. It has been demonstrated that under the optimal conditions determined by this method, electrooxidation can economically be applied to oxidize chlortetracycline (96% of degradation for a total cost of US$3.23 per gram of chlortetracycline removed).
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Acknowledgments
Sincere thanks are extended to the National Sciences and Engineering Research Council of Canada for financial contribution to this study.
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Published In
Journal of Environmental Engineering
Volume 139 • Issue 6 • June 2013
Pages: 810 - 821
Copyright
© 2013 American Society of Civil Engineers.
History
Received: Mar 9, 2011
Accepted: Nov 26, 2012
Published online: Nov 28, 2012
Published in print: Jun 1, 2013
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