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61,005 resultsShowing papers similar to Insights in photocatalytic/Fenton-based degradation of microplastics using iron-modified titanium dioxide aerogel powders
ClearCatalytic 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.
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.
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.
Engineering functional nanocomposites for enhanced AOP-mediated microplastic mineralization: From mechanistic insights to water remediation strategies
This review examines how advanced oxidation processes such as photocatalysis, Fenton reactions, and electrocatalysis can be used to break down microplastics in water. Researchers evaluated the strengths and limitations of each technique and explored how functional nanomaterials can enhance degradation performance. The study highlights promising directions for developing scalable water treatment solutions to address microplastic contamination.
A novel route for microplastic mineralization: visible-light-driven heterogeneous photocatalysis and photothermal Fenton-like reaction
Researchers developed a novel photocatalytic system using alpha-Fe2O3 nanoflowers on TiO2 nanotube arrays that achieves efficient microplastic mineralization through combined visible-light-driven heterogeneous photocatalysis and photothermal Fenton-like reactions.
Advances in Photocatalytic Degradation of Emerging Microplastics: A Systematic Review
This systematic review summarizes advances in using light-activated chemical processes to break down microplastics in the environment. The research shows that photocatalysis, especially using titanium dioxide, is a promising method for destroying microplastics without creating harmful byproducts, though more work is needed to speed up the process for real-world use.
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 Techniques and Hybrid Approaches for Microplastic Degradation: A Comprehensive Review
This review examines advanced oxidation processes for degrading microplastics, including photocatalysis, electrochemical oxidation, Fenton reactions, and plasma technologies, which generate reactive species capable of breaking down polymer chains. Hybrid systems combining these oxidation methods with biological treatments or membrane filtration showed particular promise for scalable microplastic remediation. The authors identify challenges around energy consumption, secondary pollutant formation, and the need for optimization before these technologies can be integrated into existing wastewater treatment infrastructure.
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.
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.
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.
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.
Photocatalytic Technologies for Transformation and Degradation of Microplastics in the Environment: Current Achievements and Future Prospects
This review examines photocatalytic technologies that use light-activated materials to break down microplastics in the environment. Various catalysts can generate reactive oxygen species that degrade plastic polymers into simpler, less harmful molecules. The authors assess the strengths and limitations of different photocatalytic approaches and highlight the need for scalable solutions that work under real-world environmental conditions.
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.
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.
TiO₂-based photocatalytic degradation of microplastics in water: Current status, challenges and future perspectives
This review examines how titanium dioxide-based materials can break down microplastics in water using light energy, generating reactive molecules that dismantle plastic polymer chains. While promising, the technology still faces challenges with efficiency and potential harmful byproducts, and more research is needed before it can be used at scale to clean microplastics from real-world water supplies.
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.
Metal Oxides‐Based Nano/Microstructures for Photodegradation of Microplastics
This review covers how metal oxide materials, such as titanium dioxide and zinc oxide, can be used as photocatalysts to break down microplastics using sunlight. Some approaches can even convert plastic waste into useful fuels and chemicals. The technology offers a promising eco-friendly strategy for cleaning microplastics from water and wastewater systems.
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.
Insight into the Photodegradation of Microplastics Boosted by Iron (Hydr)oxides
Iron (hydr)oxide minerals goethite and hematite were found to significantly accelerate the photodegradation of polyethylene and polypropylene microplastics under simulated sunlight, with goethite showing greater effect due to higher hydroxyl radical production via a light-driven Fenton reaction. The study reveals a previously overlooked natural mechanism by which common soil minerals can influence the environmental fate of microplastics.
Investigation of the efficiency of several TiO2 microstructures for the photocatalytic degradation of nanoplastics.
Researchers tested the efficiency of multiple titanium dioxide microstructures for photocatalytic degradation of nanoplastics in aquatic environments, addressing the growing problem of sub-micron plastic fragments in global water systems. TiO2-based photocatalysis showed varying effectiveness depending on catalyst structure and particle properties.
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 degradation of micro/nanoplastics by sustainable photo-driven processes: A comprehensive review
This comprehensive review evaluated recent advances in photo-driven degradation technologies for breaking down micro- and nanoplastics, including photolysis, photo-Fenton, and photocatalysis processes. Researchers found that certain systems can achieve complete mineralization of plastic particles under optimized conditions, suggesting these sustainable approaches hold promise for addressing microplastic pollution in the environment.
Light-driven degradation of microplastics: Mechanisms, technologies, and future directions
This review examines photocatalytic technologies for breaking down microplastics using light-driven chemical processes. Researchers found that photocatalysts can potentially mineralize microplastics into carbon dioxide and water, with some approaches also enabling recovery of useful chemical products. The study highlights light-driven degradation as a promising direction for microplastic remediation, though challenges around efficiency and scalability remain to be addressed.