Characterization of AOX in the surface water of a typical city in Taihu Lake watershed
WANG Jia-qi1, SUI Qian1, HUANG Yun-zhu1, HUANG Shao-xin1, Lü Shu-guang1, XU Dong-jiong2, KONG Ming3, ZHANG Yi-min3, WANG Bin4
1. State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Resource and Environmental Engineering, East China University of Science and Technology, Shanghai 200237, China; 2. Jiangsu Environmental Protection Key Laboratory of Aquatic Biomonitoring, Changzhou Environmental Monitoring Center, Changzhou 213001, China; 3. Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China; 4. School of Environment, Tsinghua University, Beijing 100084, China
Abstract：Concentrations of adsorbable organic halogens (AOX) in surface water and effluents of wastewater treatment plants (WWTPs) in Wunan area of Changzhou were analyzed by microcoulometry, and the AOX contamination characteristics in this area were revealed. Results showed the mean concentration of AOX in surface water was 41.9μg/L, similar to or lower than those in other researches. More severe contamination of AOX was observed in summer, and in the middle section of Yongan River, the north part of Gehu Lake and the northern part of Jinghang Canal. The blocking of river was regarded as an important cause for the severe AOX contamination. Annual pollution loads of AOX from municipal and textile WWTPs were higher, reflecting the large emission contributions by these two sources to the surface water.
王佳琦, 隋倩, 黄韵竹, 黄绍新, 吕树光, 徐东炯, 孔明, 张毅敏, 王斌. 太湖流域典型城镇地表水中AOX的污染特征[J]. 中国环境科学, 2020, 40(5): 2190-2195.
WANG Jia-qi, SUI Qian, HUANG Yun-zhu, HUANG Shao-xin, Lü Shu-guang, XU Dong-jiong, KONG Ming, ZHANG Yi-min, WANG Bin. Characterization of AOX in the surface water of a typical city in Taihu Lake watershed. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(5): 2190-2195.
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