Recent progress and challenges on the removal of per- and poly-fluoroalkyl substances (PFAS) from contaminated soil and water
- 27 June 2022
- journal article
- review article
- Published by Springer Science and Business Media LLC in Environmental Science and Pollution Research
- Vol. 29 (39), 58405-58428
- https://doi.org/10.1007/s11356-022-21513-2
Abstract
Currently, due to an increase in urbanization and industrialization around the world, a large volume of per- and poly-fluoroalkyl substances (PFAS) containing materials such as aqueous film-forming foam (AFFF), protective coatings, landfill leachates, and wastewater are produced. Most of the polluted wastewaters are left untreated and discharged into the environment, which causes high environmental risks, a threat to human beings, and hampered socioeconomic growth. Developing sustainable alternatives for removing PFAS from contaminated soil and water has attracted more attention from policymakers and scientists worldwide under various conditions. This paper reviews the recent emerging technologies for the degradation or sorption of PFAS to treat contaminated soil and water. It highlights the mechanisms involved in removing these persistent contaminants at a molecular level. Recent advances in developing nanostructured and advanced reduction remediation materials, challenges, and perspectives in the future are also discussed. Among the variety of nanomaterials, modified nano-sized iron oxides are the best sorbents materials due to their specific surface area and photogenerated holes and appear extremely promising in the remediation of PFAS from contaminated soil and water.Keywords
This publication has 230 references indexed in Scilit:
- Advanced Reduction Processes: A New Class of Treatment ProcessesEnvironmental Engineering Science, 2013
- Perfluorooctanoic Acid Exposure and Cancer Outcomes in a Contaminated Community: A Geographic AnalysisEnvironmental Health Perspectives, 2013
- Neurotoxicity of Perfluorooctane Sulfonate to Hippocampal Cells in Adult MicePLOS ONE, 2013
- Identification of Novel Fluorochemicals in Aqueous Film-Forming Foams Used by the US MilitaryEnvironmental Science & Technology, 2012
- Emission Inventory for PFOS in China: Review of Past Methodologies and SuggestionsThe Scientific World Journal, 2011
- Perfluorochemicals in wastewater treatment plants and sediments in Hong KongEnvironmental Pollution, 2010
- Chitosan-Coated Octadecyl-Functionalized Magnetite Nanoparticles: Preparation and Application in Extraction of Trace Pollutants from Environmental Water SamplesAnalytical Chemistry, 2010
- Sonochemical Degradation of Perfluorooctanesulfonate in Aqueous Film-Forming FoamsEnvironmental Science & Technology, 2009
- A comparison of the pharmacokinetics of perfluorobutanesulfonate (PFBS) in rats, monkeys, and humansToxicology, 2009
- The Adsorption of Perfluorooctane Sulfonate onto Sand, Clay, and Iron Oxide SurfacesJournal of Chemical & Engineering Data, 2007