Statistical Experiment Design Approach for the Treatment of Landfill Leachate by Photoelectro-Fenton Process
Publication: Journal of Environmental Engineering
Volume 138, Issue 3
Abstract
The influence of different variables in the photoelectro-Fenton process for the treatment of landfill leachate was investigated using an experimental design methodology. The variables considered in this study include ferrous ion dosage, hydrogen peroxide concentration, and current density. Response factors were color removal and chemical-oxygen demand (COD) removal efficiency after a 90-min reaction. The response surface methodology models were derived based on the results of color removal and COD removal, and the response surface plots were developed accordingly. The organic components before and after application of the photoelectro-Fenton process were investigated by gas chromatography-mass spectroscopy.
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Acknowledgments
This study was supported by SRF for ROCS, SEM, China (Grant No. [2001]498), China Hubei Provincial Science and Technology Department through the Gongguan Project (Grant No. UNSPECIFIED2003AA307B01), Wuhan Science and Technology Bureau through the Gongguan Project, China (Grant No. 201060723313), and the National High-Tech R&D Program (863 Program) of China (Grant No. 2008AA06Z332). The authors appreciate the valuable comments of the anonymous reviewers.
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Published In
Journal of Environmental Engineering
Volume 138 • Issue 3 • March 2012
Pages: 278 - 285
Copyright
© 2012 American Society of Civil Engineers.
History
Received: Oct 31, 2010
Accepted: Jun 22, 2011
Published online: Jun 24, 2011
Published in print: Mar 1, 2012
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