Lab-scale treatment of biologically pretreated landfill leachate by the electro-Fenton process in a continuous flow reactor

被引：0
|
作者：
Yuan, Shaopeng [1 ]
Qin, Xia [1 ]
Zhang, Li [1 ]
Zhou, Mengnan [1 ]
机构：
[1] Beijing Univ Technol, Coll Environm & Energy Engn, Beijing, Peoples R China
来源：
CIVIL, ARCHITECTURE AND ENVIRONMENTAL ENGINEERING, VOLS 1 AND 2 | 2017年
关键词：
DISSOLVED ORGANIC-MATTER; SPECTROSCOPY; WATER;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The lab-scale treatment of biologically pretreated landfill leachate by electro-Fenton (E-Fenton) was carried out in a continuous flow reactor using Ti/RuO2-IrO2 mesh anodes and cathodes. The effects of important parameters including voltage, hydraulic retention time, H2O2/Fe2+ molar ratio, and H2O2/COD0 molar ratio on COD removal were investigated, and the optimum conditions for this advanced oxidation process were found. There was an optimal H2O2/Fe2+ and H2O2/COD0 molar ratio so that the highest COD removal rate was achieved. The Dissolved Organic Matters (DOM) in the leachate were analyzed using ultraviolet spectrum and Excitation Emission Matrix (EEM) spectrofluorimetry. About 84.58% COD was removed and colority was completely removed after the E-Fenton process. The results indicate that the E-Fenton process is an effective technology for the treatment of biologically pretreated landfill leachate.
引用
收藏
页码：1089 / 1093
页数：5
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