Journal
BIORESOURCE TECHNOLOGY
Volume 100, Issue 19, Pages 4531-4534Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2009.04.020
Keywords
Photo-Fenton; Di-(2-ethylhexyl) phthalate; Photo-biological system; Wastewater
Funding
- National Science Council
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The photo-Fenton coupled with a biological system for the removal of di-(2-ethylhexyl) phthalate (DEHP) in wastewater was analyzed. The toxicity of DEHP-containing wastewater was found to be reduced after pretreatment by the photo-Fenton reaction. The effect of different factors, such as DEHR Fe3+ and H2O2 concentrations and the reaction time, on degradation efficiency was investigated. The optimal time to stop the pretreatment process and introduce the effluent to the biological system was 60 min. The results show that effluent of DEHP-containing wastewater pretreated by the photo-Fenton method is biodegradable and that mineralization can be completed when the wastewater is subsequently treated in a biological system. The coupled Fenton and biological treatment system for the degradation of DEHP-containing wastewater can be successfully performed in a semi-continuous mode. These results indicate that the coupled photo-biological system is an effective and potential method for the treatment of DEHP-containing wastewater. (C) 2009 Elsevier Ltd. All rights reserved.
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