Oxidation of microplastics by O3 and O3/H2O2: Surface modification and adsorption capacity

Removal of Environmental Microplastics by Advanced Oxidation Processes

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This review examined the use of advanced oxidation processes (AOPs) to degrade and remove microplastics from surface waters, ocean waters, soils, drinking water, and wastewater. AOPs represent a promising technological pathway for eliminating microplastics at treatment facilities, which is critical given that conventional systems fail to fully prevent microplastic entry into drinking water and food sources.

Case Studies on the Polymer-Water Nexus: Microplastic Degradation Using Catalyzed Wet Oxidation

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Case studies of catalyzed wet oxidation — a process using high temperature, pressure, and chemical catalysts — demonstrated effective degradation of microplastic polymers in water, converting them to smaller organic molecules or CO2. This technology offers a route to complete microplastic elimination from wastewater streams rather than filtration and disposal, which is critical as conventional treatment plants fail to remove a significant fraction of plastic particles.

Environmental microplastics and their additives—a critical review on advanced oxidative techniques for their removal

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Researchers reviewed how advanced oxidation processes — including photocatalysis and electro-Fenton methods — can break down common microplastics and their chemical additives like BPA in water, finding these techniques are more effective than traditional treatment methods but still require further study for large-scale use.

Kinetic study of microplastic reactivity with hydroxyl radicals: Insights into photochemical fate and transformation products

Sorption of Pollutants on Microplastics

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Researchers reviewed how microplastics act as sponges for environmental pollutants like pesticides, heavy metals, and pharmaceuticals, absorbing and concentrating these chemicals in ways that can amplify their toxicity when ingested by marine animals — and potentially by humans.