Distribution characteristics and transformation mechanism of per- and polyfluoroalkyl substances in drinking water sources: A review

被引：7
作者：
Zhu, Heying [1 ]
Xia, Yijing [1 ]
Zhang, Yifeng [2 ]
Kang, Ying [3 ]
Ding, Yangcheng [1 ]
Chen, Ruya [1 ]
Feng, Huajun [4 ]
机构：
[1] Zhejiang Gongshang Univ, Sch Environm Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R China
[2] Tech Univ Denmark, Dept Environm & Resource Engn, DK-2800 Lyngby, Denmark
[3] Zhejiang Ecol Environm Monitoring Ctr, 117 Xueyuan Rd, Hangzhou 310012, Zhejiang, Peoples R China
[4] Zhejiang A&F Univ, Ecol Environm & Hlth Coll EEHC, Hangzhou 311300, Zhejiang, Peoples R China
来源：
SCIENCE OF THE TOTAL ENVIRONMENT | 2024年 / 916卷
基金：
中国国家自然科学基金;
关键词：
Per; and polyfluoroalkyl substances; Drinking water; Environmental pollution; Transformation pathway; PERFLUOROOCTANOIC ACID PFOA; 6/2 FLUOROTELOMER SULFONATE; PERFLUORINATED COMPOUNDS; PERFLUOROALKYL SUBSTANCES; SURFACE-WATER; AEROBIC BIOTRANSFORMATION; SPATIOTEMPORAL DISTRIBUTION; REDUCTIVE DEFLUORINATION; ACTIVATED-SLUDGE; YANGTZE-RIVER;
D O I：
10.1016/j.scitotenv.2023.169566
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Per- and polyfluoroalkyl substances (PFASs) have raised significant concerns within the realm of drinking water due to their widespread presence in various water sources. This prevalence poses potential risks to human health, ecosystems, and the safety of drinking water. However, there is currently a lack of comprehensive reviews that systematically categorize the distribution characteristics and transformation mechanisms of PFASs in drinking water sources. This review aims to address this gap by concentrating on the specific sources of PFASs contamination in Chinese drinking water supplies. It seeks to elucidate the migration and transformation processes of PFASs within each source, summarize the distribution patterns of PFASs in surface and subsurface drinking water sources, and analyze how PFASs molecular structure, solubility, and sediment physicochemical parameters influence their presence in both the water phase and sediment. Furthermore, this review assesses two natural pathways for PFASs degradation, namely photolysis and biodegradation. It places particular emphasis on understanding the degradation mechanisms and the factors that affect the breakdown of PFASs by microorganisms. The ultimate goal is to provide valuable insights for the prevention and control of PFAS contamination and the assurance of drinking water quality.
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页数：13
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