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Advanced Oxidation Processes (AOPs) for the Degradation of Micro and Nano Plastic
Summary
This review assesses advanced oxidation processes (AOPs) — including photocatalysis, ozone treatment, electrocatalysis, and Fenton reactions — as methods to break down micro- and nanoplastics in water. While AOPs can degrade plastic particles, most currently achieve only modest levels of complete mineralization, meaning significant plastic residues often remain. The study highlights the need to optimize and potentially combine these techniques to develop effective water treatment solutions for removing nanoplastics from drinking water and wastewater.
Micro-nano plastics, or MNPs, are a growing concern due to their widespread presence in the environment. To tackle this issue, advanced oxidation processes (AOPs) offer promising solutions. The focus on employing advanced oxidation processes (AOPs) to remove microplastic nanoparticles (MNPs) from water is increasing among scientists. This study compiles advancements in various AOPs such as photocatalysis, UV photolysis, ozone oxidation, electrocatalysis, Fenton oxidation, plasma oxidation, and persulfate oxidation for MNPs removal. It covers oxidation mechanisms, reaction pathways, removal efficiencies, and influencing factors. However, most AOPs achieve only modest mineralization rates, necessitating further optimization for improved performance. Exploring different AOPs is crucial for complete MNPs breakdown in water, highlighting the future importance of AOPs in MNP elimination