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61,005 resultsShowing papers similar to The Photo-Fenton Method Aids Microplastic Degradation: Experimental Findings Highlight Significant Differences Among Plastic Types
ClearEvaluation of Fenton, Photo-Fenton and Fenton-like Processes in Degradation of PE, PP, and PVC Microplastics
Scientists tested whether Fenton-based chemical processes, which use iron and hydrogen peroxide to create powerful cleaning reactions, could break down common microplastics in water. They found that the photo-Fenton process (using UV light) was effective at degrading polyethylene and PVC microplastics, but polypropylene was resistant to all treatments. This research is important because it explores practical ways to destroy microplastics in water treatment, though not all plastic types respond equally.
Photo-fenton oxidation of microplastics: Impact of polymer nature
Researchers tested photo-Fenton oxidation as a treatment method for microplastics, comparing degradation efficiency across different polymer types. The study found that polymer chemistry significantly influences how quickly microplastics break down under this oxidative treatment.
Photo-fenton oxidation of microplastics: Impact of polymer nature
Researchers investigated photo-Fenton oxidation as a treatment for microplastics, finding that degradation efficiency varies significantly by polymer type. Polymers with aromatic structures and those with greater oxidative susceptibility degraded more rapidly under photo-Fenton conditions.
Recent Advances in Photocatalytic Removal of Microplastics: Mechanisms, Kinetic Degradation, and Reactor Design
This review examines photocatalytic and photo-Fenton approaches for degrading microplastics including PE, PP, PVC, PS, PMMA, and PA66, covering reaction mechanisms, kinetic degradation models, characterization techniques for the major polymer types, and the design and scale-up of photocatalytic reactors as practical tools for microplastic removal from water.
Catalytic degradation of microplastics
This review summarizes catalytic approaches for degrading microplastics in the environment, covering photocatalysis, Fenton reactions, and other advanced oxidation methods, and evaluates their current effectiveness and limitations for addressing real-world microplastic contamination.
Application of Fenton-like processes in the degradation of microplastics
This Croatian-language paper reviews how Fenton-like advanced oxidation processes can degrade microplastics in the environment. The review evaluates the effectiveness of these chemical methods as a potential tool for breaking down plastic particles in water treatment systems.
Advanced oxidation processes for the degradation of microplastics from the environment: A review
This review of 54 studies found that advanced oxidation processes including UV photocatalysis, Fenton reactions, and sonolysis can successfully degrade microplastics in water, with all reviewed techniques achieving satisfying performance in degrading various plastic types.
Insights into the degradation of microplastics by Fenton oxidation: From surface modification to mineralization
Researchers investigated Fenton oxidation of five common microplastic types, finding that while bulk particles showed modest weight losses of around 10%, polystyrene nanoplastics achieved 70% mineralization, with aromatic polymers being more susceptible to degradation.
Innovations in chemical degradation technologies for the removal of micro/nano-plastics in water: A comprehensive review
This review summarizes advances in chemical degradation technologies for removing micro- and nanoplastics from water, including photocatalysis, Fenton-based reactions, electrochemical oxidation, and micro/nanomotor approaches. Researchers analyzed the key factors that influence degradation effectiveness, such as particle properties and operating conditions. The study identifies current challenges and outlines future directions for developing practical chemical methods to address plastic pollution in water systems.
Pristine and UV-Weathered PET Microplastics as Water Contaminants: Appraising the Potential of the Fenton Process for Effective Remediation
Researchers evaluated the Fenton process for removing both pristine and UV-weathered PET microplastics from water. The study found that the treatment was effective but that weathered microplastics behaved differently than pristine ones, highlighting the need to account for environmental aging when developing microplastic remediation strategies.
Advanced oxidation processes for the elimination of microplastics from aqueous systems: Assessment of efficiency, perspectives and limitations
This review evaluates advanced oxidation processes as a strategy for breaking down microplastics in water systems, comparing techniques such as photocatalysis, Fenton reactions, and ozonation. Researchers found that while these methods show promise for degrading microplastics into smaller, less harmful molecules, challenges remain in scaling them for practical use. The study identifies key limitations and suggests directions for making these technologies more efficient and applicable to real-world water treatment.
Molecular Oxygen Activation by Citric Acid Boosted Pyrite–Photo–Fenton Process for Degradation of PPCPs in Water
Researchers developed a pyrite-based photo-Fenton process enhanced with citric acid that activates molecular oxygen without needing added hydrogen peroxide, enabling cost-effective degradation of polypropylene plastic and organic pollutants under natural sunlight.
Comparison of ferrate(VI) and Fenton process for removal of microplastics from aqueous media
This Croatian-language study compares ferrate(VI) and Fenton oxidation processes for removing microplastics from water, evaluating which treatment is more effective. Understanding the efficiency of chemical treatment methods is important for developing water purification systems that can eliminate plastic particles before they reach consumers.
Degradation of polyvinyl chloride microplastics via an electro-Fenton-like system with a TiO2/graphite cathode
Researchers developed an electro-Fenton system using a TiO2/graphite cathode to degrade PVC microplastics in water, demonstrating effective surface oxidation and fragmentation of PVC particles through in situ generation of reactive oxygen species.
Developments in advanced oxidation processes for removal of microplastics from aqueous matrices
This review evaluates advanced oxidation processes for removing microplastics from water, finding that photocatalysis, Fenton reactions, and electrochemical methods can effectively degrade microplastics into smaller molecules, offering promising alternatives to conventional non-destructive treatment approaches.
Insights in photocatalytic/Fenton-based degradation of microplastics using iron-modified titanium dioxide aerogel powders
This review assessed photocatalytic and Fenton-based degradation approaches for breaking down microplastics, focusing on iron-based catalysts activated by light or hydrogen peroxide. The study found these advanced oxidation processes can fragment microplastics but complete mineralization remains challenging.
Effects and Impacts of Different Oxidative Digestion Treatments on Virgin and Aged Microplastic Particles
Researchers evaluated Fenton reagent oxidative digestion pretreatments for extracting microplastics from environmental matrices, comparing recovery efficiency and particle damage across different temperatures and reagent volumes. PVC and PET particles showed the greatest sensitivity to treatment conditions, with morphological and spectral changes confirmed by SEM and FTIR analysis.
Photo-aging of polyvinyl chloride microplastic in the presence of natural organic acids
Researchers described a new photo-aging pathway for polyvinyl chloride microplastics in aquatic environments involving low-molecular-weight organic acids. The study found that natural organic acids and their iron complexes significantly accelerated the degradation of PVC microplastics under sunlight through hydroxyl radical generation, revealing how environmental conditions influence microplastic weathering.
Differential Morphological and Physicochemical Responses of Polyvinyl Chloride and Polyamide-12 Micro- and Nanoplastics to Fenton Oxidation
Researchers applied Fenton oxidation to 5 µm PVC and polyamide-12 microplastics and characterized changes in physicochemical properties using multimodal methods. Oxidative aging altered surface chemistry, crystallinity, and particle morphology differently for each polymer, with implications for how aged MPs interact with organisms and sorb additional contaminants.
A Short Review on Recent Advanced Oxidation Technologies for Microplastics Degradation
This review summarizes recent advances in advanced oxidation technologies (AOTs) for degrading microplastics, evaluating methods such as UV/ozone, Fenton reactions, and photocatalysis. The authors assess the efficiency, scalability, and limitations of each approach for treating microplastic-contaminated water.
Iron‐Based Catalysts for the Removal of Microplastics
This review evaluates the potential of iron-based catalysts for degrading microplastics in water through photocatalytic, Fenton, and electrocatalytic approaches. Researchers highlight the advantages of iron's abundance, low toxicity, and catalytic versatility for generating reactive oxygen species that can break down plastics. The study identifies challenges including scalability and catalyst recovery while recommending interdisciplinary collaboration to advance iron-based remediation solutions.
Ecosafety Screening of Photo-Fenton Process for the Degradation of Microplastics in Water
Researchers evaluated a photo-Fenton process using a zinc oxide and iron nanoparticle catalyst to degrade polypropylene and PVC microplastics in a continuous water flow system. They achieved more than 95% reduction in average particle volume after one week of treatment. The study also assessed the environmental safety of the treated water through ecotoxicological bioassays, working toward a degradation method that does not introduce new ecological risks.
Recent advances and challenges in advanced oxidation processes for degradation of nano- and microplastics in water: a critical review
This critical review evaluates four main advanced oxidation processes — ozonation, photocatalysis, Fenton reactions, and electrochemical oxidation — for breaking down nano- and microplastics in water, summarizing what has been achieved and where major technical gaps remain. Developing effective degradation technologies is urgently needed because conventional water treatment systems do not reliably remove small plastic particles.
An Overview of the Sustainable Depolymerization/Degradation of Polypropylene Microplastics by Advanced Oxidation Technologies
This review provides an overview of advanced oxidation technologies being developed to break down polypropylene microplastics through sustainable depolymerization processes. Researchers examined methods including photocatalysis, Fenton reactions, and ozonation, evaluating their effectiveness at degrading this widely used plastic material. The study highlights the potential of these approaches for contributing to circular economy solutions for plastic waste.