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61,005 resultsShowing papers similar to Photo-fenton oxidation of microplastics: Impact of polymer nature
ClearPhoto-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.
The Photo-Fenton Method Aids Microplastic Degradation: Experimental Findings Highlight Significant Differences Among Plastic Types
Researchers tested Fenton-based oxidation methods on three common microplastics (LDPE, PP, PVC) under varying acidity, iron, and hydrogen peroxide conditions, finding that Photo-Fenton is highly effective for LDPE and promising for PVC, but that PP is resistant to all Fenton-based treatments.
Evaluation 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.
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.
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.
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.
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.
State of the art in the photochemical degradation of (micro)plastics: from fundamental principles to catalysts and applications
This review summarizes research on the photochemical degradation of plastics and microplastics into value-added products and intermediates via photocatalysis. The study covers fundamental principles and catalytic approaches for breaking down plastic pollutants that are otherwise difficult to degrade in the environment.
Potential of Advanced Oxidation as Pretreatment for Microplastics Biodegradation
This review assessed the potential of advanced oxidation processes as pretreatment steps to enhance microplastic biodegradation, finding that UV, ozone, and Fenton-based treatments can weaken polymer structures and make them more susceptible to subsequent biological breakdown.
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.
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.
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.
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.
The photochemical behaviors of microplastics through the lens of reactive oxygen species: Photolysis mechanisms and enhancing photo-transformation of pollutants
This review re-examines the photochemical degradation mechanisms of microplastics through the lens of reactive oxygen species, identifying defects in the traditional autoxidation model and exploring how microplastics can enhance the photo-transformation of co-existing pollutants.
Kinetic and mechanistic insights into the photo-Fenton oxidation of polystyrene nanoplastics in water
Researchers investigated photo-Fenton oxidation kinetics and mechanisms for polystyrene nanoplastics across five initial particle sizes (140 to 1100 nm) in water, tracking treatment efficiency via turbidity and total organic carbon measurements and using transmission electron microscopy to characterize structural changes, finding that initial particle size influenced degradation rates.
Impacts of microplastics on organotins’ photodegradation in aquatic environments
Researchers found that polypropylene, polyethylene, polystyrene, and polymethyl methacrylate microplastics differentially affect the photodegradation of organotin compounds in aquatic environments, with microplastics both adsorbing organotins and altering their photolytic breakdown pathways depending on polymer type.
Degradation and Fragmentation of Microplastics
This review examines the degradation and fragmentation mechanisms that generate secondary microplastics from ocean plastic debris, covering photo-oxidation chemistry, environmental weathering rates, and how different polymer types break down under marine conditions.
Countering microplastics pollution with photocatalysis: Challenge and prospects
This review summarized the use of photocatalysis for degrading microplastics, covering catalyst types, reaction mechanisms, and operational parameters, and discussing challenges including the stability of highly polymerized plastics and prospects for scaling photocatalytic treatment to address environmental microplastic pollution.
Photocatalytic degradation of microplastics: From efficiency assessment to rational system design
Photocatalysis—using light-activated materials to chemically break down plastics—is a promising technology for degrading microplastics, but inconsistent experimental designs make it nearly impossible to compare results across studies. This review proposes the first analytically driven framework that maps how reaction conditions, catalyst properties, and plastic characteristics should guide the choice of measurement technique. By clarifying which analytical tools are appropriate under which conditions, the framework helps researchers design more rigorous experiments and accelerate the development of effective microplastic degradation technologies.
Proceso foto-Fenton como una alternativa en la degradación de microplásticos de poliamida presentes en aguas residuales textiles
Researchers evaluated the photo-Fenton process as an alternative treatment method for degrading polyamide microplastics present in textile wastewater, addressing the challenge of microplastic pollution arising from the textile industry. The study found that photo-Fenton oxidation was effective at breaking down polyamide particles under optimized conditions, offering a potential treatment pathway for microplastic-contaminated industrial effluents.
Photocatalytic strategy to mitigate microplastic pollution in aquatic environments: Promising catalysts, efficiencies, mechanisms, and ecological risks
This review summarizes recent advances in photocatalytic degradation of microplastics, covering catalysts, mechanisms, and reactive oxygen species generation pathways. The authors call for more realistic photocatalytic materials, better mechanistic understanding of degradation intermediates, and quantitative ecological risk assessment of photocatalysis byproducts.
Removal of textile microplastic fibers from water by photo-Fenton oxidation
A photo-Fenton oxidation process was tested for removing textile-derived microplastic fibers from water, achieving high removal rates under optimized conditions. The study offers a viable advanced treatment option for the challenging problem of fiber microplastics shed from laundry.
Reactivity of four model microplastics with ozone.
Researchers investigated the reactivity of four model microplastic types with ozone, examining how ozone treatment affects the physicochemical properties of microplastics as a potential water treatment strategy for degrading plastic particles.