A comprehensive overview on the occurrence and removal of per- and polyfluoroalkyl substances through adsorption and biodegradation

被引:0
作者
Zeeshan, Muhammad [1 ,2 ,3 ]
Tabraiz, Shamas [4 ]
Hashmi, Safeerul Islam [5 ]
Iqbal, Arfa [6 ]
Dittmann, Daniel [1 ]
Abbas, Zohaib [7 ]
Macleod, Cecilia L. [8 ,9 ]
Ruhl, Aki Sebastian [1 ,2 ]
机构
[1] German Environm Agcy, Sec II 3 3,Schichauweg 58, D-12307 Berlin, Germany
[2] Tech Univ Berlin, Water Treatment, KF4,Str 17 Juni 135, D-10623 Berlin, Germany
[3] Berlin Sch Business & Innovat, Alte Post,Karl Marx Str 97-99, D-12043 Berlin, Germany
[4] Imperial Coll London, Dept Civil & Environm Engn, London, England
[5] Auburn Univ, Sch Aquat Sci Fisheries & Aquaculture, Alabama, NY USA
[6] Univ Engn & Technol, Inst Environm Engn & Res, Lahore, Pakistan
[7] Govt Coll Univ, Dept Environm Sci & Engn, Faisalabad, Pakistan
[8] Univ Greenwich, Sch Engn, Chatham Maritime, Kent, England
[9] Thrive Sci Ltd, London, England
来源
BIORESOURCE TECHNOLOGY REPORTS | 2025年 / 29卷
关键词
Per; and polyfluoroalkyl substances (PFAS); Surface water; Groundwater; Biodegradation; Adsorption; Ion exchange resins; PERFLUOROOCTANE SULFONATE PFOS; DRINKING-WATER TREATMENT; GRANULAR ACTIVATED CARBON; 8/2 FLUOROTELOMER ALCOHOL; ANION-EXCHANGE RESINS; PERFLUOROALKYL SUBSTANCES; TREATMENT TECHNOLOGIES; ION-EXCHANGE; PERFLUORINATED SURFACTANTS; AEROBIC BIOTRANSFORMATION;
D O I
10.1016/j.biteb.2025.102077
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Per- and polyfluoroalkyl substances (PFAS), known for their exceptional stability and hydrophobic properties, have become prominent environmental contaminants due to their persistence and toxicity. This review provides a comprehensive analysis of PFAS occurrence in groundwater and surface waters, their degradation by various microbial species and the effectiveness of different adsorbents in PFAS removal. Microbial degradation is a costeffective and environmentally friendly method for PFAS removal, with aerobic biotransformation being more widely studied. Microbial strains, including Acidimicrobium sp. A6, Pseudomonas, and Gordonia sp. showed sustainable reduction (up to 99 %) in PFAS concentrations. Under aerobic and anaerobic conditions, microbial mechanisms differ significantly, requiring specific microbial strains or engineered systems to break the strong C-F bonds. Various adsorbents, such as carbonaceous materials, ion exchange resins, and other synthetic materials, have been used to remove PFAS from water. Positively charged adsorbents were more effective in removing PFAS than neutral or negatively charged ones. Ion exchange resins outperform other adsorbents in removing both long and short-chain PFAS. This review outlines significant research needs, including the need to understand the complex interactions between dissolved organic matter and PFAS removal, as well as the potential of advanced materials to improve adsorption processes. Future research should focus on scalable, cost-effective, and environmentally sustainable methods to reduce PFAS contamination and provide safer water resources for future generations.
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页数:15
相关论文
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