Occurrence of Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) in the Transboundary Guarani Aquifer System within a Highly Urbanized Context in the Sinos River Basin DOI

Matheus Beretta Duarte,

Arí Roisenberg,

José André Teixeira Azevedo

et al.

Research Square (Research Square), Journal Year: 2025, Volume and Issue: unknown

Published: April 18, 2025

Abstract The Guarani Aquifer System (GAS) is a transboundary sedimentary aquifer source of public water supply for millions people in Brazil, Argentina, Uruguay, and Paraguay, known the high quality its groundwaters. However, under surface conditions an urban environment with poor sanitation intense industrial activity, can degrade due to input wide range contaminants, including per polyfluoroalkyl substances (PFAS). PFAS are anthropogenic widely used industry their unique properties, such as hydrophobicity chemical stability. environment, they exhibit persistence potential health risks humans other organisms. In this study, 28 were investigated GAS within context Sinos River Basin, located southern region lack sewage treatment, uncontrolled urbanization, strong leather, metallurgical electroplating industries. Fifteen groundwater samples collected from tubular wells springs, five taken River. least two detected, total (ΣPFAS) up 16.78 ng/L, PFOA PFBA being most frequent. waters River, ΣPFAS ranged 0.98 71.09 6:2 FTS PFOSA frequently detected. Our study first one identify background suggests need long-term monitoring aquifer, characteristics may promote retention these highly persistent compounds, likely associated use pesticides leather

Language: Английский

Unveiling the Truth of Interactions between Microplastics and Per- and Polyfluoroalkyl Substances (PFASs) in Wastewater Treatment Plants: Microplastics as a Carrier of PFASs and Beyond DOI
Min Ma, Frédéric Coulon,

Zhiwen Tang

et al.

Environmental Science & Technology, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 6, 2025

Microplastics (MPs) and per- polyfluoroalkyl substances (PFASs) are ubiquitous contaminants in environments, yet their co-occurrence interactions remain insufficiently understood. In this study, we confirmed the concurrent presence of MPs PFASs distinct distribution patterns a wastewater treatment plant (WWTP) through comprehensive sampling analysis effort. Significant correlations (p < 0.05) were observed between specific types PFASs, suggesting shared sources. Moreover, identified as carriers with PFAS concentration ranging 122 166 ng/g, predominantly consisting perfluorooctanoic acid (PFOA) perfluorobutanoic (PFBA). The laboratory verification experiment revealed that could be leached from aqueous which commercial exhibited higher leaching potential, highest combined perfluorooctanesulfonate (PFOS), PFOA, PFBA reaching 10.4 ng/mL. PFOS demonstrated desorption efficiency exceeding 120% sorption/desorption experiments, confirming its release themselves. These results highlighted dual roles both sources PFASs. contaminant profiles across different matrices WWTP provide valuable insights form basis for further research into proactive measures to effectively mitigate environmental contamination.

Language: Английский

Citations

2
Unveiling the emerging concern of per- and polyfluoroalkyl substances (PFAS) and their potential impacts on estuarine ecosystems DOI
Amit Hasan Anik,

Md. Samium Basir,

Maisha Binte Sultan

et al.

Marine Pollution Bulletin, Journal Year: 2025, Volume and Issue: 212, P. 117554 - 117554

Published: Jan. 20, 2025

Language: Английский

Citations

2
Bacterial degradation of perfluoroalkyl acids DOI Creative Commons

Chiara M Smorada,

Matthew Sima,

Peter R. Jaffé

et al.

Current Opinion in Biotechnology, Journal Year: 2024, Volume and Issue: 88, P. 103170 - 103170

Published: July 16, 2024

Advances in biological degradation of per- and polyfluoroalkyl substances (PFAS) have shown that bioremediation is a promising method PFAS mineralization; however, most these studies focus on remediation more reactive polyfluorinated compounds. This review focuses the defluorination recalcitrant perfluorinated alkyl acids (PFAAs) by bacteria. We highlight key report PFAA products, specific bacteria, relevant genes. Among studies, we discuss trends anaerobic versus aerobic conditions with bacterial species or consortia. holistic seeks to elucidate state biodegradation research need for future environmental application.

Language: Английский

Citations

10
Sustainable Management of Poly- and Perfluoroalkyl Substances (PFASs)-Contaminated Areas: Tackling a Wicked Environmental Problem DOI Open Access
Giancarlo Renella, Paolo Carletti, Antonio Masi

et al.

Sustainability, Journal Year: 2025, Volume and Issue: 17(2), P. 510 - 510

Published: Jan. 10, 2025

This study evaluates the reasons and factors making soil pollution by poly- perfluoroalkyl substances (PFASs) a wicked problem, reflecting upon nature, persistence, mobility, bioaccumulative properties of these compounds. The current regulation trends in production use such are also explored. highlights conflict between need for phasing out PFASs their indispensable role many strategic applications. We summarize knowledge on complex chemical to highly variable soils, mechanisms partitioning transport soil, exposure pathways humans. In particular, we focus that lead PFAS accumulation edible parts cultivated plants present some potential sustainable management practices could result risk mitigation environmental remediation actions. stemming from merging theoretical considerations pragmatic approaches mitigating problems related agricultural soils. highlight importance co-creation processes adoption solutions vast polluted areas make impacted populations discouraged, like being front an ‘untameable beast’, leading protests irrational behavior. our opinion, this might engage population more optimistic strategies tackle soliciting authorities stakeholders implement beyond actual practice supporting new policy development.

Language: Английский

Citations

1
Phytotoxicity and phytoremediation potential of Lemna minor exposed to perfluorooctanoic acid DOI Creative Commons
Azam Noori,

Lorena Corbelli,

E.P. Lincoln

et al.

Frontiers in Plant Science, Journal Year: 2025, Volume and Issue: 15

Published: Jan. 27, 2025

Perfluorooctanoic acid (PFOA) is one of the highly toxic compounds which was phased out application in consumer products 2015 due to its harmful effects on human and environmental health. However, this chemical use for many years still found water resources. This study focuses physiological response duckweed ( Lemna mino r) exposed PFOA so as determine phytotoxicity potential aquatic species remove from environment. A time-dependent assay showed that exposure 0.1 µg/L 14 days resulted loss chlorophyll pigment 15-25% more chlorosis than controls. Although seven chlorosis, no significant impact parameters such photosynthetic or anthocyanin content were detected. The analysis cellular size day zero experiment control group significantly larger cell after (213 ± 6.5 µm²) compared with (186 18 µm²), while (198 13 did not change group. nuclear increased by 13% upon controls (ρ &lt; 0.0001). concentration essential elements K, Cu, Fe, Mn, Zn, Mo reduced L. minor 39.6, 33.4, 42.1, 35.2, 31.9, 40.2%, respectively. Additionally, accumulated fronds roots an average bioaccumulation factor 56 7. Overall, some symptoms toxicity observed, shows can tolerate up PFOA, a commonly concentrations bodies, water. provides invaluable information regarding phototoxicity impacts phytoremediation PFOA.

Language: Английский

Citations

1
Temperature-phased anaerobic sludge digestion effectively removes antibiotic resistance genes in a full-scale wastewater treatment plant DOI Creative Commons
Huan Liu, Zehao Zhang, Xuan Li

et al.

The Science of The Total Environment, Journal Year: 2024, Volume and Issue: 924, P. 171555 - 171555

Published: March 12, 2024

Sludge is a major by-product and the final reservoir of antibiotic resistance genes (ARGs) in wastewater treatment plants (WWTPs). Temperature-phased anaerobic digestion (TPAD), consisting thermophilic (AD) (55 °C) mesophilic AD processes (37 °C), has been implemented WWTPs for sludge reduction while improving biomethane production. However, impact TPAD on ARGs' fate still undiscovered lab-scale experiments full-scale WWTPs. This study, first time, investigated ARGs during process across three seasons full-size WWTP. Ten typical one integrase gene class 1 integron (intI1) involving horizontal transfer were examined before after each step process. reduced aac(6′)-Ib-cr, blaTEM, drfA1, sul1, sul2, ermb, mefA, tetA, tetB tetX by 87.3–100.0 %. overall average absolute abundance targeted intI1 92.39 % 92.50 %, respectively. The was higher winter than summer autumn TPAD. During processes, played role removal ARGs, contributing to >60 subsequent contributed further 31 ARGs. microbial community analysis revealed that hosts, resistant bacteria. In addition, intI1, did not reproduce AD, also decline study demonstrates can effectively reduce sludge, which will suppress transmission from into natural environment deliver environmental health benefits our society.

Language: Английский

Citations

7
Life cycle assessment of traditional and innovative sludge management scenarios in Australia: Focusing on environmental impacts, energy balance, and economic benefits DOI Creative Commons
Zhenyao Wang, Xuan Li, Huan Liu

et al.

Resources Conservation and Recycling, Journal Year: 2024, Volume and Issue: 204, P. 107496 - 107496

Published: Feb. 22, 2024

Sludge, as a sustainable energy source and pollutant matrix, necessitates effective management. The environmental, economic impacts of sludge management practices in Australia remained unknown. Furthermore, lignosulfonate addition was recently reported promising approach to enhance the production from sludge, benefits which on have not been explored. Life cycle assessment four scenarios: two traditional (A: land application digested B: composting before application) innovative (A B with during digestion process - C D) conducted. Traditional scenario A outperformed B, 2.24-fold reduction environmental footprints, 16.28-fold higher recovery, reduced expenditure reaching $78.23/t dry (DS). Scenario demonstrated superior results 1.26-fold decrease 1.51-fold more recovery than A, shift $5.36/t DS. Sensitivity analysis revealed sensitive sludge's total volatile solids content, highlighting importance optimization for best performance. These findings guide environmentally economically viable management, emphasizing efficient recovery.

Language: Английский

Citations

5
Per- and polyfluoroalkyl substances (PFAS) in construction and demolition debris (CDD): discerning sources and fate during waste management DOI
Yalan Liu,

Ashley Lin,

Jake T. Thompson

et al.

Journal of Hazardous Materials, Journal Year: 2024, Volume and Issue: 472, P. 134567 - 134567

Published: May 10, 2024

Language: Английский

Citations

5
Enhanced Sorption and Destruction of PFAS by Biochar-Enabled Advanced Reduction Process DOI

Ziteng Song,

Jianzhou He, Seyed Morteza Taghavi Kouzehkanan

et al.

Chemosphere, Journal Year: 2024, Volume and Issue: 363, P. 142760 - 142760

Published: July 3, 2024

Language: Английский

Citations

5
The Unique Distribution Pattern of PFAS in Landfill Organics DOI
Biraj Saha, Mohamed Ateia, Thabet Tolaymat

et al.

Journal of Hazardous Materials, Journal Year: 2024, Volume and Issue: 479, P. 135678 - 135678

Published: Aug. 29, 2024

Language: Английский

Citations

5