Optimization of Phenol Removal Using Anode with Response Surface Methodology
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Volume 142, Issue 4
Abstract
Scale-up of a lead dioxide () anode system is significant to the practical application of electrochemical oxidation (EO) in biorefractory wastewater treatment. In this study, response surface methodology (RSM) was employed to investigate the effects of different operating conditions on phenol removal by electro-oxidation with a anode. A central composite design (CCD) was used to optimize the electro-oxidation process and to evaluate the individual and interactions effects of current intensity, electrolysis time, and recirculation flow rate on phenol removal. Synthetic wastewater (or distillate water) with phenol concentration of was used in this study. Optimal conditions for phenol removal were established at 1.12 A current intensity, 40 min electrolysis time, and recirculation flow rate, in which a removal of was achieved. The decay kinetics of phenol removal was fitted a first-order reaction.
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Published In
Journal of Environmental Engineering
Volume 142 • Issue 4 • April 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Jun 9, 2015
Accepted: Sep 23, 2015
Published online: Jan 7, 2016
Published in print: Apr 1, 2016
Discussion open until: Jun 7, 2016
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