Hybrid microbial electrolytic/UV system for highly efficient organic pollutants removal  

作　　者：Yingying You Shaobin Huang Xuesong Zhao Han Li Fangqin Cheng Jinhua Wu Yongqing Zhang Shaofeng Zhou 

机构地区：[1]School of Environment and Energy, South China University of Technology, Guangzhou 510006, China [2]School cf Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510006, China [3]Department of Environmental Engineering, Technical University cf Denmark, DK-2800 Lyngby, Denma [4]Institute of Resources and Environmental Engineering, Shanxi University, Taiyuan 030006, China [5]Guangzhou Taihe Water Ecology Technology Co. Ltd., Guangzhou 510220, China

出　　处：《Journal of Environmental Sciences》2019年第9期39-45,共7页环境科学学报（英文版）

基　　金：supported by the National Natural Science foundation of China(Nos.U1701243,51708184 and 51572089);Research Project of Guangdong Provincial Department of Science and Technology(No.2016B020240002)

摘　　要：This study for the first time proposed an efficient microbial electrolyte/UV system for Methyl Orange decomposition. With an external applied voltage of 0.2 V and cathode aeration of20 mL/min, H2O2 could be in-situ generated from two-electron reduction of oxygen in cathode, reaching to 8.1 mg/L in 2 hr and continued to increase. The pollutant removal efficiency of approximate 94.7% was achieved at initial neutral pH, with the activation of ·OH in the presence of UV illumination. Although the nature of its guiding principles remain on the vista of practical exploration, this proof-of-concept study provides an alternative operation pattern of solar–microbial hybrid technology for future wastewater treatment from a basic but multidisciplinary view.This study for the first time proposed an efficient microbial electrolyte/UV system for Methyl Orange decomposition. With an external applied voltage of 0.2 V and cathode aeration of20 mL/min, H2O2 could be in-situ generated from two-electron reduction of oxygen in cathode, reaching to 8.1 mg/L in 2 hr and continued to increase. The pollutant removal efficiency of approximate 94.7% was achieved at initial neutral pH, with the activation of ·OH in the presence of UV illumination. Although the nature of its guiding principles remain on the vista of practical exploration, this proof-of-concept study provides an alternative operation pattern of solar–microbial hybrid technology for future wastewater treatment from a basic but multidisciplinary view.

关 键 词：MICROBIAL electrolytic cell Hydrogen PEROXIDE production PHOTO-FENTON reaction ORGANIC POLLUTANTS removal Advanced oxidation process 

分 类 号：X[环境科学与工程]