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Kinetics of 2,6-dimethylaniline oxidation by various Fenton processes.
MedLine Citation:
PMID:  21645969     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
The kinetics of 2,6-dimethylaniline degradation by Fenton process, electro-Fenton process and photoelectro-Fenton process was investigated. This study attempted to eliminate the potential interferences from intermediates by making a kinetics comparison of Fenton, electro-Fenton and photoelectro-Fenton methods through use initial rate techniques during the first 10min of the reaction. Exactly how the initial concentration of 2,6-dimethylaniline, ferrous ions and hydrogen peroxide affects 2,6-dimethylaniline degradation was also examined. Experimental results indicate that the 2,6-dimethylaniline degradation in the photoelectro-Fenton process is superior to the ordinary Fenton and electro-Fenton processes. Additionally, for 100% removal of 1mM 2,6-dimethylaniline, the supplementation of 1mM of ferrous ion, 20mM of hydrogen peroxide, current density at 15.89Am(-2) and 12 UVA lamps at pH 2 was necessary. The overall rate equations for 2,6-dimethylaniline degradation by Fenton, electro-Fenton and photoelectro-Fenton processes were proposed as well.
Authors:
Nalinrut Masomboon; Chavalit Ratanatamskul; Ming-Chun Lu
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-5-18
Journal Detail:
Title:  Journal of hazardous materials     Volume:  -     ISSN:  1873-3336     ISO Abbreviation:  -     Publication Date:  2011 May 
Date Detail:
Created Date:  2011-6-7     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9422688     Medline TA:  J Hazard Mater     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier B.V. All rights reserved.
Affiliation:
Department of Interdisciplinary Programs in Environmental Science, Graduate School, Chulalongkorn University, Bangkok, Thailand.
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