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Unveiling the existence and ecological hazards of trace organic pollutants in wastewater treatment plant effluents across China

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Eco-Environment & Health 2024年第1期3卷 21-29页

作者： Jianchao Liu Fang Yang Yuanfei Cai Guanghua Lu Yiping Li Ming Li Linhua Fan Li Gao Key Laboratory of Integrated Regulation and Resource Development of Shallow Lakes of Ministry of Education College of EnvironmentHohai UniversityNanjing 210098China College of Natural Resources and Environment Northwest A&F UniversityYangling 712100China School of Engineering RMIT UniversityMelbourneVIC 3001Australia Institute for Sustainable Industries and Liveable Cities Victoria UniversityMelbourneVictoria 8001Australia

The presence of trace organic pollutants in the effluent of wastewater treatment plants(WWTPs)poses considerable risks to aquatic organisms and human health.A large-scale survey of 302 trace organic pollutants in the effluent of 46 Chinese WWTPs was conducted to gain an improved understanding of their occurrence and ecological *** survey data showed that 216 compounds in 11 chemical classes had been detected in *** sum concentrations of the trace contaminants in effluent ranged from 1,392 ng/L to 35,453 ng/L,with the maximum concentration of perfluoroalkyl substances(PFASs)recorded as the highest(30,573 ng/L),which was markedly less than the reported 185,000 ng/L for the 38 American *** concentration of bisphenol analogs(BPs)was up to 4,422 ng/L,significantly higher than those reported in France,Germany,Japan,Korea,and the *** and BPs were the major pollutants,accounting for 59%of the total ***,a total of 119 contaminants were found to have ecological risks(RQ>0.01).Among these,23 contaminants(RQ>1.0)warrant higher attention and should be prioritized for *** study lists valuable information for controlling contaminants with higher priority in WWTP effluent in China.

关键词： Wastewater treatment Effluent trace organic pollutants Ecological risk assessment

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