Characterization of aromatic amines pollutants in the typical town of the Taihu Watershed
HUANG Shao-xin1, SUI Qian1, WANG Jia-qi1, HUANG Yun-zhu1, WANG Bin2, XU Dong-jiong3, KONG Ming4, ZHANG Yi-min4
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. School of Environment, Tsinghua University, Beijing 100084, China; 3. Jiangsu Environmental Protection Key Laboratory of Aquatic Biomonitoring, Changzhou Environmental Monitoring Center, Changzhou 213001, China; 4. Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
Abstract:Four aromatic amines (AAs) were determined by solid phase extraction and gas chromatography-tandem mass spectrometry (SPE-GC-MS/MS) in surface water and typical emission sources samples from Wunan District of Changzhou, a Taihu Basin upper-reach city continuously during 2018 to 2019. Results showed that overall concentrations of AAs were in the rage of <LOQ~2.39μg/L and annual average concentration was 0.323μg/L. Higher contamination levels were found in wet seasons than dry seasons, and lowest concentration level was observed in winter. The prevalent contaminants of AAs were aniline and o-toluidine. Spatial distribution revealed the northeast and the midlands were polluted regions. Concentrations of AAs in emission sources samples except the municipal effluent were all higher than those in surface water, and the seasonal variation patten was similar to that in the surface water-high loads of pollutants entered into the surface water during the flood season. The preliminary risk quotient method indicates aniline and m-toluidine had high risk levels. The research will provide support for improving the management of AAs and safeguard drinking water quality in Taihu watershed.
黄绍新, 隋倩, 王佳琦, 黄韵竹, 王斌, 徐东炯, 孔明, 张毅敏. 太湖流域典型城镇水环境芳香胺类污染特征[J]. 中国环境科学, 2021, 41(1): 377-384.
HUANG Shao-xin, SUI Qian, WANG Jia-qi, HUANG Yun-zhu, WANG Bin, XU Dong-jiong, KONG Ming, ZHANG Yi-min. Characterization of aromatic amines pollutants in the typical town of the Taihu Watershed. CHINA ENVIRONMENTAL SCIENCECE, 2021, 41(1): 377-384.
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