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

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...

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Main Authors: Jianchao Liu, Fang Yang, Yuanfei Cai, Guanghua Lu, Yiping Li, Ming Li, Linhua Fan, Li Gao
Format: Article
Language:English
Published: Elsevier 2024-03-01
Series:Eco-Environment & Health
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S277298502300056X
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author Jianchao Liu
Fang Yang
Yuanfei Cai
Guanghua Lu
Yiping Li
Ming Li
Linhua Fan
Li Gao
author_facet Jianchao Liu
Fang Yang
Yuanfei Cai
Guanghua Lu
Yiping Li
Ming Li
Linhua Fan
Li Gao
author_sort Jianchao Liu
collection DOAJ
description 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 risks. The survey data showed that 216 compounds in 11 chemical classes had been detected in effluents. The 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 WWTPs. The concentration of bisphenol analogs (BPs) was up to 4,422 ng/L, significantly higher than those reported in France, Germany, Japan, Korea, and the U.S. PFASs and BPs were the major pollutants, accounting for 59% of the total pollution. Additionally, 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 removal. This study lists valuable information for controlling contaminants with higher priority in WWTP effluent in China.
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spelling doaj.art-a5e8ec93c89b44f48ed8771d85c5e2812024-03-20T06:12:07ZengElsevierEco-Environment & Health2772-98502024-03-01312129Unveiling the existence and ecological hazards of trace organic pollutants in wastewater treatment plant effluents across ChinaJianchao Liu0Fang Yang1Yuanfei Cai2Guanghua Lu3Yiping Li4Ming Li5Linhua Fan6Li Gao7Key Laboratory of Integrated Regulation and Resource Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, ChinaCollege of Natural Resources and Environment, Northwest A&F University, Yangling 712100, ChinaKey Laboratory of Integrated Regulation and Resource Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, ChinaKey Laboratory of Integrated Regulation and Resource Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China; Corresponding author.Key Laboratory of Integrated Regulation and Resource Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing 210098, ChinaCollege of Natural Resources and Environment, Northwest A&F University, Yangling 712100, ChinaSchool of Engineering, RMIT University, Melbourne, VIC 3001, AustraliaInstitute for Sustainable Industries and Liveable Cities, Victoria University, Melbourne, Victoria 8001, AustraliaThe 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 risks. The survey data showed that 216 compounds in 11 chemical classes had been detected in effluents. The 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 WWTPs. The concentration of bisphenol analogs (BPs) was up to 4,422 ng/L, significantly higher than those reported in France, Germany, Japan, Korea, and the U.S. PFASs and BPs were the major pollutants, accounting for 59% of the total pollution. Additionally, 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 removal. This study lists valuable information for controlling contaminants with higher priority in WWTP effluent in China.http://www.sciencedirect.com/science/article/pii/S277298502300056XWastewater treatmentEffluentTrace organic pollutantsEcological risk assessment
spellingShingle Jianchao Liu
Fang Yang
Yuanfei Cai
Guanghua Lu
Yiping Li
Ming Li
Linhua Fan
Li Gao
Unveiling the existence and ecological hazards of trace organic pollutants in wastewater treatment plant effluents across China
Eco-Environment & Health
Wastewater treatment
Effluent
Trace organic pollutants
Ecological risk assessment
title Unveiling the existence and ecological hazards of trace organic pollutants in wastewater treatment plant effluents across China
title_full Unveiling the existence and ecological hazards of trace organic pollutants in wastewater treatment plant effluents across China
title_fullStr Unveiling the existence and ecological hazards of trace organic pollutants in wastewater treatment plant effluents across China
title_full_unstemmed Unveiling the existence and ecological hazards of trace organic pollutants in wastewater treatment plant effluents across China
title_short Unveiling the existence and ecological hazards of trace organic pollutants in wastewater treatment plant effluents across China
title_sort unveiling the existence and ecological hazards of trace organic pollutants in wastewater treatment plant effluents across china
topic Wastewater treatment
Effluent
Trace organic pollutants
Ecological risk assessment
url http://www.sciencedirect.com/science/article/pii/S277298502300056X
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