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Occurrence and Treatment of DEHP in Water Treatment Plants: Case study in South Korea 게시글의 제목, 학술지명, 저자, 발행일, 작성내용을 보여줌
Occurrence and Treatment of DEHP in Water Treatment Plants: Case study in South Korea
학술지명 American Chemical Society 저자 Michael S. Wong,강석태,손채원,오건학,장덕수,정영균,탁혜련,홍영민,채선하,전민정,김효전
발표일 2024-01-12

Currently, a toxic plasticizer, di(2-ethylhexyl) phthalate (DEHP), is recognized as a ubiquitous pollutant in aquatic environments due to the massive utilization of plastics. However, there is still a limited understanding of the occurrence and treatment of DEHP during the potable water utilization due to a lack of long-term field data in the full-scale process of water treatment plants (WTPs). In this study, we investigated the occurrence and removal of DEHP in six conventional WTPs located at various river basins in South Korea from June 2019 to December 2021. During the observation periods, DEHP was found in all samples at concentrations ranging from 0.3 to 8.2 μg/L. Among the unit processes, the removal of DEHP was positively
correlated with dissolved organic carbon removal, majorly in sand filtration and the GAC process. The advanced oxidation process exhibited low selectivity for DEHP removal efficiencies in the presence of natural organic matter due to its inhibition effect. The potential risks of DEHP on human health still exist in the surface water of South Korea for drinking water supplies,  and thus, DEHP needs to be carefully monitored throughout the entire water treatment process.

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