J Korean Soc Environ Anal Search


Published online November 10, 2022.
A Short Review on Recent Advanced Oxidation Technologies for Microplastics Degradation
Jungyeon Kim1, Haesung Lee2, Sanghyeon Kim1, Gwangmin Kim1, Changseok Han2 
1Program in Environmental and Polymer Engineering, Graduates School of INHA University, INCHEON, Korea
2Department of Environmental Engineering, INHA University, Incheon, Korea
Correspondence:  Changseok Han, Tel: 032-860-7505, Fax: 000000000, 
Email: hanck@inha.ac.kr
Received: 21 September 2022   • Accepted: 10 November 2022
Microplastics are defined as plastic particles less than 5 mm in size. Due to significantly increased amounts of plastics, micro plastics became ubiquitous pollutants around the world. Different studies reported that microplastics are harmful to living organisms because they could adsorb contaminants from the environment due to their unique physicochemical properties. The adsorbed contaminants on microplastics could release and be accumulated in living organisms, resulting in adverse effects to the health of humans and animals. Since the existing water treatment technology as a stand-alone process did not show complete removal of microplastics, reliable treatment technologies for complete removal of microplastics must be developed. Advanced oxidation processes (AOPs) are a promising technology for chemical treatment of contaminants such as microplastics. It utilizes highly reactive oxygen species (e.g., hydroxyl radicals, sulfate radicals, superoxide anions, and singlet oxygen) to decompose microplastics completely. However, at this stage, AOPs could partially degrade and/or alter surface chemistry of microplastics. Therefore, much effort must be made further study AOPs for complete decomposition of microplastics.
Key Words: Advanced Oxidation Processes, Microplastics, Microplastics pollution, Environmental Remediation


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