Pollutioncharacteristics of volatile halogenated hydrocarbonsin the surface water of atypicaltown in Taihu Basin
HUANG Yun-zhu1, SUI Qian1,2, WANG Jia-qi1, HUANG Shao-xin1, WANG Bin3, XU Dong-jiong4, KONG Ming5, ZHANG Yi-min5
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. Beijing Key Laboratory for Emerging Organic Contaminants Control, Beijing 100084, China; 3. School of Environment, Tsinghua University, Beijing 100084, China; 4. Jiangsu Environmental Protection Key Laboratory of Aquatic Biomonitoring, Changzhou Environmental Monitoring Center, Changzhou 213001, China; 5. Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210042, China
Abstract：In this study, the concentrations of five VHHs in surface water and five differentsources of VHHs pollution (influent and effluent of municipal wastewater treatment plants (MWWTPs), effluent of industrial wastewater treatment plants (IWWTPs), wastewater from industrial enterprises and aquaculture) weremeasured in Wujin district, Changzhou, a typical town in Taihu Basin. The pollution characteristics of VHHs in surface water and the likely main contributor of VHHs pollution were determined by intensive sampling in the investigated regionacross four seasons. Results showed that the concentrations oftargetVHHsranged from<LOQ to 13.86μg/Lin the studied surface water samples, among which trichloromethaneand trichloroethane were found to be the most and least dominant VHHs in terms of their detection frequencies and occurrence levels, respectively. The annual mean concentrationsof VHHs in all the emission sourcesexceptfor aquaculturewastewater were higher than that in surface water (2.10μg/L). Among the five investigated emission sources, the seasonal variations of VHHs concentrationsin IWWTPs effluent and industrial wastewater exhibited positive correlation relationship with those insurface water; therefore, IWWTPs effluent and industrial wastewaterwere proposed as the main contributors of VHHs contamination in the study region.
黄韵竹, 隋倩, 王佳琦, 黄绍新, 王斌, 徐东炯, 孔明, 张毅敏. 太湖流域城镇地表水中挥发性卤代烃污染特征[J]. 中国环境科学, 2020, 40(5): 2174-2179.
HUANG Yun-zhu, SUI Qian, WANG Jia-qi, HUANG Shao-xin, WANG Bin, XU Dong-jiong, KONG Ming, ZHANG Yi-min. Pollutioncharacteristics of volatile halogenated hydrocarbonsin the surface water of atypicaltown in Taihu Basin. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(5): 2174-2179.
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