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61,005 resultsShowing papers similar to Photocatalytic Degradation of Plastic Waste: Recent Progress and Future Perspectives
ClearModified TiO2 and ZnO photocatalysts for microplastic degradation: mechanisms, challenges, and recent advances
This review examines recent advances in using modified titanium dioxide and zinc oxide photocatalysts to degrade microplastics in the environment. Researchers summarized the mechanisms by which these catalysts break down plastic particles when activated by light, as well as the challenges that remain for practical application. The study suggests that photocatalytic degradation is a promising approach for addressing microplastic pollution, though significant technical hurdles still need to be overcome.
Plastic Degrading Nanomaterials via Photocatalysis
This review examines photocatalytic degradation of plastics using nanomaterials including TiO2, ZnO, and their nanocomposites under UV and solar irradiation as an energy-efficient alternative to conventional plastic disposal methods. The paper covers reactive oxygen species-mediated breakdown of PP, PS, PVC, LDPE, and HDPE polymers and highlights nano-enabled strategies for microplastic and nanoplastic degradation.
Photocatalytic Perception for Degradation of Macro- and Micro-plastics
This review examines photocatalytic approaches for degrading both macro- and micro-plastics, surveying semiconductor-based and other photocatalytic systems capable of breaking down persistent plastic polymers in aquatic and terrestrial environments. The paper evaluates the mechanisms, efficiency, and scalability of photocatalysis as a remediation technology alongside conventional plastic waste management strategies.
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.
Degradation of Micro- and Nano-Plastics by Photocatalytic Methods
This paper reviews photocatalytic methods — using light-activated catalysts — as a way to break down micro- and nano-plastics in the environment. These approaches offer a promising path toward degrading persistent plastic particles that accumulate in marine and drinking water systems.
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.
Toxic effects of micro and nanoplastics on living system and recent advances in understanding their degradation routes
This review examines the toxic effects of micro- and nanoplastics on terrestrial and marine ecosystems from primary producers to tertiary consumers, and surveys recent advances in understanding their degradation via thermal pyrolysis, photocatalytic methods using TiO2 and ZnO, and microbial biodegradation. The authors highlight that while biological and photocatalytic approaches show promise for accelerating plastic breakdown, degradation rates remain far slower than environmental accumulation.
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.
Photocatalytic Degradation of Plastic
This review examines photocatalytic degradation as a method for breaking down plastic waste using light-activated chemical reactions. Photocatalytic approaches could offer a way to degrade both plastic debris and microplastics already present in the environment without generating toxic byproducts.
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.
Current Approach to Develop TiO2 Thin Film as Photocatalysts for Low-Density Plastic Degradation
This review covers titanium dioxide thin-film photocatalysts as a method for breaking down low-density polyethylene plastic waste using light energy. While photocatalysis shows promise for degrading plastic into carbon dioxide and water, challenges remain in scaling up the process and achieving complete mineralization of complex plastic materials.
Photocatalytic Degradation and Remediation of Microplastics
This review chapter examines photocatalysis as a remediation strategy for microplastic pollution in aquatic and terrestrial environments, describing how solar energy conversion drives chemical reactions that degrade plastic particles. The authors assess the current state of photocatalytic methods, their mechanisms, and their potential for sustainable microplastic removal.
Application of Nanomaterials in the Degradation of Micro and Nano Plastics
This review examined the application of nanomaterials for degrading micro- and nanoplastics, covering photocatalytic, oxidative, and biological nanomaterial approaches and evaluating their efficiency and scalability for plastic pollution remediation.
New Progress in Plastic Degradation and Conversion by Photocatalysis
This review examines advances in photocatalytic plastic degradation and conversion, covering both the plastic pollution crisis driven by microplastic formation and innovative recycling approaches including primary, secondary, tertiary, and quaternary methods.
Photodegradation of microplastics through nanomaterials: Insights into photocatalysts modification and detailed mechanisms
This review explores how nanomaterial-enhanced photocatalysts can break down microplastics that conventional water treatment fails to remove. The paper details key strategies like element doping and heterojunction construction that improve degradation efficiency, and explains the underlying mechanisms involving free radical formation and singlet oxygen oxidation.
TiO2-Based Photocatalysis for Plastic Degradation
This review examines TiO2-based photocatalysis as a strategy for degrading macroplastics, microplastics, and nanoplastics, highlighting TiO2's advantages of high activity, low cost, and availability. The paper addresses the social justice dimension of plastic pollution, noting that vulnerable populations are disproportionately affected, and evaluates TiO2 photocatalytic degradation mechanisms and performance for a range of plastic types.
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.
Photocatalytic Degradation of Plastic Waste: A Mini Review
This mini review examines photocatalytic degradation as a method for breaking down plastic waste using light-activated materials that accelerate chemical reactions. Researchers found that various photocatalysts can significantly speed up plastic degradation compared to natural sunlight alone, converting plastics into smaller molecules or useful chemical products. The study highlights photocatalysis as a promising technology for addressing the growing plastic waste crisis, though challenges remain in scaling the approach.
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.
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.
Role of Nanotechnology in Plastic and Microplastic Management
This review examines how nanotechnology can enhance plastic and microplastic degradation, describing how nanomaterials can modify microbial metabolic pathways to improve biodegradation rates and how photocatalytic approaches can break down plastics into low-molecular-weight intermediates suitable for use as chemical feedstocks.
Investigation of the efficiency of several TiO2 microstructures for the photocatalytic degradation of nanoplastics.
This study tested the efficiency of several TiO2 microstructures as photocatalysts for degrading nanoplastics in aquatic environments. Results identified the most effective TiO2 configurations for breaking down sub-micron plastic fragments under light exposure.
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.
Photocatalytic Degradation of Microplastics in Aquatic Environments: Materials, Mechanisms, Practical Challenges, and Future Perspectives
This review examines how light-activated materials called photocatalysts can break down microplastics in water into harmless byproducts using sunlight or UV light. While still facing challenges with incomplete breakdown and variable sunlight conditions, this technology offers a promising way to reduce microplastic contamination in water sources that affect human health.