Coupled biological and photo-Fenton pretreatment system for the removal of di-(2-ethylhexyl) phthalate (DEHP) from water
Coupled biological and photo-Fenton pretreatment system for the removal of di-(2-ethylhexyl) phthalate (DEHP) from water
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DOI：
10.1016/j.biortech.2009.04.020
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发表时间：
2009-10-01
影响因子：
11.4
通讯作者：
Chung, Ying-Chien
中科院分区：
文献类型：
--
作者：
Chen, Chih-Yu;Wu, Pei-Ssu;Chung, Ying-Chien
研究了光-Fenton-生物耦合系统对废水中邻苯二甲酸二（2-乙基己基）酯（DEHP）的去除效果。经光Fenton反应预处理后，DEHP废水的毒性有所降低。考察了不同因素（如DEHR Fe 3+和H2 O2浓度以及反应时间）对降解效率的影响。停止预处理过程，并将出水引入生物系统的最佳时间为60 min。结果表明，含DEHP的废水经光-Fenton法预处理后的出水是可生物降解的，当废水随后在生物系统中处理时，可以完成矿化。芬顿-生物耦合处理系统可以半连续方式成功地降解DEHP废水。这些结果表明，光生物耦合系统是一种有效的和潜在的方法处理含DEHP的废水。(C)2009爱思唯尔有限公司保留所有权利。
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.