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Electrochemical Oxidation of Phenol for Wastewater Treatment Using Ti/PbO2 Electrode

Title
Electrochemical Oxidation of Phenol for Wastewater Treatment Using Ti/PbO2 Electrode
Authors
Saratale, Rijuta GaneshHwang, Kyoung-JinSong, Ji-YoungSaratale, Ganesh DattatrayKim, Dong-Su
Ewha Authors
김동수
SCOPUS Author ID
김동수scopus
Issue Date
2016
Journal Title
JOURNAL OF ENVIRONMENTAL ENGINEERING
ISSN
0733-9372JCR Link1943-7870JCR Link
Citation
vol. 142, no. 2
Keywords
Electrochemical oxidationTi/PbO2 electrodePhenolTotal organic carbon (TOC)Benzoquinone and carboxylic acid
Publisher
ASCE-AMER SOC CIVIL ENGINEERS
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
The electrochemical oxidation of phenol was studied using a Ti/PbO2 electrode prepared by the electrodeposition method with PbO2 coated on Ti. The structural and morphological activity of Ti/PbO2 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 Fe2+ on electrochemical degradation of phenol using Ti/PbO2 were investigated. Complete removal of phenol (250mgL-1) was observed at 50 degrees C, potential difference (5V), 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 Ti/PbO2 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 Ti/PbO2 for the degradation of phenol containing wastewater. (C) 2015 American Society of Civil Engineers.
DOI
10.1061/(ASCE)EE.1943-7870.0001007
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엘텍공과대학 > 환경공학전공 > Journal papers
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