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61,005 resultsShowing papers similar to Vacancy-rich NiFe-LDH/carbon paper as a novel self-supporting electrode for the electro-Fenton degradation of polyvinyl chloride microplastics
ClearDegradation 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.
(Digital Presentation) Electrochemical Study of Mxene-Metal Oxide Composites for the Degradation of PVC-Based Microplastics
Researchers investigated MXene-metal oxide composites as modified graphite electrodes for electro-Fenton degradation of polyvinyl chloride (PVC) microplastics, generating hydroxyl radicals via electrochemical oxidation to break down plastic particles. Cyclic voltammetry confirmed the catalytic activity of MXene-TiO2/C modified electrodes for the oxygen reduction reaction, with operating parameters including electrolyte type and concentration evaluated for degradation efficiency.
Tandem microplastic degradation and hydrogen production by hierarchical carbon nitride-supported single-atom iron catalysts
Researchers developed an iron-based catalyst that can break down polyethylene plastic — including microplastics — into smaller organic molecules while simultaneously producing hydrogen fuel from the leftover products. This two-in-one approach achieved near-complete plastic degradation under neutral water conditions, suggesting a promising path to both cleaning up plastic pollution and generating clean energy.
Hydrothermal Fenton-like process for dehydrochlorination and recovering of PVC pipe microplastics in aquatic systems
Researchers developed a hydrothermal Fenton-like process that achieved over 99% dechlorination of PVC microplastics under subcritical water conditions. The process converted the plastic into solid carbon products that retained most of the original carbon content and showed potential for conversion into graphene. The study provides a promising approach for both neutralizing the environmental hazards of PVC microplastics and recovering valuable carbon materials.
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.
Enhanced alteration of poly(vinyl chloride) microplastics by hydrated electrons derived from indole-3-acetic acid assisted by a common cationic surfactant
Researchers developed a photo-reductive process that uses hydrated electrons under light exposure to break down PVC microplastics by removing chlorine atoms from the polymer. This novel degradation pathway could offer a new approach for treating PVC — one of the most environmentally persistent and problematic plastic types — in contaminated environments.
Defect-coordination coupled engineering of Fe-based electro-Fenton catalysts for efficient nanoplastic degradation
Scientists developed a new type of filter system that can break down tiny plastic particles (called nanoplastics) in water using electricity and special chemical reactions. The system destroyed over 93% of these harmful plastic bits in just one hour, which is important because nanoplastics can get into our drinking water and food supply. This technology could help clean up plastic pollution from water sources before it reaches people and potentially causes health problems.
Heterogeneous Catalytic Peroxide Oxidation Inducing Surface Reactions Toward Flotation Extraction of Hazardous Poly(Vinyl Chloride) From Waste Plastics
Researchers proposed using heterogeneous Fenton reactions catalyzed by green tea extract-reduced iron nanoparticles to selectively modify the wettability of poly(vinyl chloride) in mixed plastic waste streams, enabling its separation by froth flotation. They demonstrated that hydroxyl radicals generated in the iron nanoparticle and hydrogen peroxide system oxidized PVC surfaces, improving flotation separation efficiency and offering a greener approach to hazardous plastic recycling.
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.
Synergistic spatial confinement and electron penetration for ultrafast Fenton decontamination of micro pollutants and nanoplastics
Researchers confined an iron oxychloride (FeOCl) catalyst inside carbon nanotubes to create a Fenton-like system that efficiently degrades both small antibiotic molecules and large PVC nanoplastics, showing that thinner nanotube walls allow electrons to penetrate outward and activate hydroxyl radicals that can attack even oversized contaminants too large to enter the nanotube.
Tailoring porous NiMoO4 nanotube via MoO3 nanorod precursor for environmental monitoring: Electrochemical detection of micro-sized polyvinylchloride
Researchers created a sensor using porous nickel-molybdenum oxide nanotubes that can electrochemically detect polyvinyl chloride microplastics in water. The sensor achieved reliable detection at low concentrations with good sensitivity, offering a faster alternative to traditional microscopy-based identification methods. This technology could enable more practical real-time monitoring of microplastic contamination in rivers and oceans.
Rapid iron redox cycling for nanoplastic and antibiotic electro-Fenton remediation by FeCo alloy on cellulose-derived carbon
Researchers developed an iron-cobalt alloy catalyst supported on biomass-derived carbon that achieves 100% degradation of both nanoplastics and antibiotics in water via the electro-Fenton process, overcoming the slow iron cycling and pH sensitivity that limit conventional iron-based catalysts.
Degradation of PolyvinylChloride Microplastics viaHydrothermal Catalysis Using CoMn2O4 Nanofibers
Researchers developed a hydrothermal catalytic method using CoMn2O4 spinel nanofibers to degrade polyvinyl chloride microplastics without requiring external hydrogen or oxygen supply, achieving dechlorination and chain scission via synergistic Lewis and Bronsted acid sites. The mild, cost-effective approach offers a promising route for remediating PVC microplastic pollution by breaking it down into less persistent chemical products.
Advanced polystyrene nanoplastic remediation through electro-Fenton process: Degradation mechanisms and pathways
Researchers developed a new method using an electro-Fenton process with a copper-cobalt catalyst to break down polystyrene nanoplastics in water, achieving nearly 95% removal efficiency. The system generates powerful molecules called hydroxyl radicals that chemically decompose the plastic particles. While this is a laboratory-scale study, it demonstrates a promising technology that could help remove nanoplastics from drinking water and wastewater.
Electro-upcycling of PET plastic coupled with hydrogen production using the NiCe@NiTe electrocatalyst
Researchers coupled electrochemical PET plastic degradation with hydrogen production using a nickel-cerium telluride electrocatalyst, demonstrating that PET microplastics can be simultaneously upcycled into value-added chemicals while generating clean hydrogen fuel.
Catalytic transformation of microplastics to functional carbon for catalytic peroxymonosulfate activation: Conversion mechanism and defect of scavenging
Researchers developed a method to convert high-density polyethylene plastic waste into functional carbon materials that can activate peroxymonosulfate to break down organic pollutants in water. Using a salt template-based approach with nickel chloride, they produced carbon nanosheets with high catalytic efficiency. The study demonstrates a promising approach for upcycling plastic waste into useful water purification catalysts.
Flotation separation of hazardous polyvinyl chloride towards source control of microplastics based on selective hydrophilization of plasticizer-doping surfaces
Researchers developed a flotation separation method using selective ferric ion deposition to distinguish rigid from flexible PVC plastics based on differences in surface hydrophilicity caused by plasticizer migration, enabling more effective recycling and source control of PVC-derived microplastics.
Single-Step Electrochemical Upcycling of PET: Waste to Value-Added Chemicals, Oral Presentation
Researchers developed a single-step electrochemical method to upcycle PET plastic waste into value-added chemicals and organic materials, targeting the over 70% of plastic that ends up in landfills or oceans where it breaks down into microplastics.
Inhibiting the release of polyvinyl chloride nanoplastics via superoxide ion-induced self-flocculation during polyvinyl chloride microplastics degradation
Researchers developed a UV/sulfite treatment system to inhibit the release of polyvinyl chloride nanoplastics generated during PVC microplastic degradation. The superoxide ion-induced surface modification reduced nanoplastic shedding by altering PVC surface chemistry, offering a strategy to limit nanoplastic generation during plastic aging.
The Study of Removal of Polyvinyl Chloride (PVC) Particles from Wastewater through Electrocoagulation
Researchers investigated electrocoagulation as a method for removing polyvinyl chloride (PVC) microplastic particles from wastewater, evaluating its efficiency as a low-cost treatment approach using simple chemicals and accessible equipment.
Recycling Microplastics to Fabricate Anodes for Lithium‐Ion Batteries: From Removal of Environmental Troubles via Electrocoagulation to Useful Resources
Researchers developed an electrocoagulation-based process to remove microplastics from wastewater, then converted the recovered plastic-containing iron flocs into anode materials for lithium-ion batteries, demonstrating a circular approach that converts a waste stream into useful energy storage components.
Upcycling plastic waste into electrode materials for energy storage applications
Researchers reviewed approaches for upcycling plastic waste into electrode materials for energy storage applications, finding that discarded plastics including polyethylene, polypropylene, and PET can be converted through pyrolysis and chemical activation into carbon-based electrodes for supercapacitors and batteries, addressing both plastic pollution and energy storage challenges simultaneously.
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.
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.