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PFOA-contaminated soil remediation: a comprehensive review
Mehdi Soltanian1, Saeid Gitipour2, Majid Baghdadi2
1School of Civil and Environmental Engineering, Faculty of engineering and IT, University of Technology Sydney, Sydney, Australia.
This study reviews nine remediation techniques for perfluorooctanoic acid (PFOA) contamination, evaluating their benefits, drawbacks, and ecological impacts. It highlights knowledge gaps for effective PFOA site cleanup.
Area of Science:
- Environmental Science
- Environmental Chemistry
- Remediation Technology
Background:
- Soil and groundwater contamination by emerging pollutants like perfluorooctanoic acid (PFOA) poses significant risks to human health and ecosystems.
- Widespread industrial use of PFOA has led to extensive site contamination, necessitating effective cleanup strategies.
Purpose of the Study:
- To comprehensively review and evaluate existing remediation approaches for PFOA-contaminated sites.
- To analyze the benefits, drawbacks, and potential environmental/ecological effects of various PFOA remediation techniques.
Main Methods:
- A systematic review of nine remediation techniques categorized under physical, chemical, and biological approaches.
- Evaluation of remediation methods considering pollutant specifications, environmental implications, and ecological impacts.
Main Results:
- Discussion of the advantages and disadvantages of each remediation technique for PFOA.
- Identification and analysis of potential adverse environmental and ecological effects associated with PFOA remediation procedures.
Conclusions:
- The study provides a holistic understanding of PFOA remediation, considering field-scale challenges and obstacles.
- Identified knowledge gaps and areas for future research in PFOA-contaminated site remediation are discussed.
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