Electrochemical Oxidation of Phenol for Wastewater Treatment Using Electrode
Publication: Journal of Environmental Engineering
Volume 142, Issue 2
Abstract
The electrochemical oxidation of phenol was studied using a electrode prepared by the electrodeposition method with coated on Ti. The structural and morphological activity of was analyzed by scanning electron microscopy (SEM) and X-ray diffraction (XRD), and intermediates formed after degradation of phenol were quantitatively assessed by high-pressure liquid chromatography (HPLC). Optimization of various parameters such as current density, initial phenol concentration, initial solution pH, and different temperature and dose of on electrochemical degradation of phenol using were investigated. Complete removal of phenol () was observed at 50°C, potential difference (5 V), and at pH 2. Experimental results showed that the phenol removal rate increased with increasing current intensity along with significant reduction in total organic carbon (TOC). Fundamental kinetic data obtained for the degradation of phenol by was found to follow in accordance with the zero-order kinetics with respect to the phenol concentration. This paper is expected to be useful for the development of electrochemical process using for the degradation of phenol containing wastewater.
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Acknowledgments
The project was supported by the Fundamental Technology R&D Program for Society of the National Research Foundation of Korea (NRF) funded by the Ministry of Science, Information/Communication Technology (ICT) and Future Planning (Grant number: 2013 M3C8A3078596 and 2009-0083527.
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© 2015 American Society of Civil Engineers.
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Received: Apr 7, 2014
Accepted: Jun 12, 2015
Published online: Sep 24, 2015
Published in print: Feb 1, 2016
Discussion open until: Feb 24, 2016
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