Occurrence, removal, and prioritization of organic micropollutants in four full-scale wastewater treatment plants in Korea

This study investigated the occurrence, removal rate, and potential risks of 43 organic micropollutants (OMPs) in four municipal wastewater treatment plants (WWTPs) in Korea. Results from two-year intensive monitoring confirmed the presence of various OMPs in the influents, including pharmaceuticals...

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Bibliographic Details
Published in:Chemosphere (Oxford) 2024-08, Vol.361, p.142460, Article 142460
Main Authors: Choi, Sangki, Lee, Woorim, Son, Heejong, Lee, Woongbae, Choi, Yegyun, Yeom, Hoonsik, Seo, Changdong, Lee, Hyejin, Lee, Yujin, Lim, Seung Ji, Chae, Sung Ho, Park, Hong Ki, Hong, Seok Won, Kim, Young Mo, Lee, Yunho
Format: Article
Language:English
Subjects:
Meta-analysis
Organic micropollutants
Prioritization
Risk assessment
Spatiotemporal monitoring
Wastewater treatment plants
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Summary:This study investigated the occurrence, removal rate, and potential risks of 43 organic micropollutants (OMPs) in four municipal wastewater treatment plants (WWTPs) in Korea. Results from two-year intensive monitoring confirmed the presence of various OMPs in the influents, including pharmaceuticals such as acetaminophen (pain relief), caffeine (stimulants), cimetidine (H2-blockers), ibuprofen (non-steroidal anti-inflammatory drugs- NSAIDs), metformin (antidiabetics), and naproxen (NSAIDs) with median concentrations of >1 μg/L. Some pharmaceuticals (carbamazepine-anticonvulsants, diclofenac-NSAIDs, propranolol-β-blockers), corrosion inhibitors (1H-benzotriazole-BTR, 4-methyl-1H-benzotriazole-4-TTR), and perfluorinated compounds (PFCs) were negligibly removed during WWTP treatment. The OMP concentrations in the influents and effluents were mostly lower in August than those of other months (p-value
ISSN:0045-6535
1879-1298
1879-1298
DOI:10.1016/j.chemosphere.2024.142460