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61,005 resultsShowing papers similar to Fotokataliza i materiały kompozytowe TiO2/SiO2 w oczyszczaniu środowiska
ClearDegradation of Emerging Plastic Pollutants from Aquatic Environments Using TiO2 and Their Composites in Visible Light Photocatalysis
This review examines how titanium dioxide-based photocatalysts can degrade microplastics and nanoplastics under visible light conditions. Researchers found that while some composite materials achieved complete degradation of polystyrene particles, overall effectiveness remains limited at the laboratory scale. The study identifies key challenges and proposes future directions for developing more efficient photocatalytic approaches to plastic pollution remediation in water.
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.
Supported TiO2 in Ceramic Materials for the Photocatalytic Degradation of Contaminants of Emerging Concern in Liquid Effluents: A Review
This review systematized research on TiO2 photocatalysts supported on ceramic materials for degrading emerging contaminants in liquid effluents, comparing immobilization techniques and reactor configurations and identifying supported ceramic-TiO2 systems as a promising technology for water treatment that avoids the catalyst separation challenges of slurry reactors.
Recent Advances in Synthesis and Applications of Carbon-Doped TiO2 Nanomaterials
This review described recent advances in the synthesis and applications of carbon-doped TiO2 nanomaterials, finding that carbon incorporation broadens light absorption into the visible range, reduces electron-hole recombination, and enhances photocatalytic degradation of organic pollutants beyond what undoped TiO2 achieves.
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.
Synthesis and application of titanium dioxide photocatalysis for energy, decontamination and viral disinfection: a review
This review covers the synthesis and environmental applications of titanium dioxide photocatalysis, including its use for removing microplastics, pharmaceuticals, metals, and dyes from water. The study discusses various synthesis methods and highlights TiO2 photocatalysis as a promising advanced method for water and wastewater decontamination.
TiO2-based photocatalysts for the degradation of microplastics in aquatic environments
Researchers synthesized TiO2-based photocatalysts via sol-gel and hydrothermal methods and characterized their morphology and photocatalytic properties for the degradation of microplastics in aqueous environments, optimizing catalyst formulations to improve efficiency and assessing their potential as an environmentally friendly advanced treatment for waterborne microplastic pollution.
Synthesis of Mixed-Phase TiO2–ZrO2 Nanocomposite for Photocatalytic Wastewater Treatment
Researchers synthesized TiO2-ZrO2 mixed-phase nanocomposite photocatalysts and demonstrated enhanced degradation of organic dyes under UV light compared to pure TiO2, with the mixed oxide structure improving light absorption and reducing electron-hole recombination for more effective wastewater treatment.
Applications of Titanium Dioxide (TiO2) Nanoparticles in Photocatalysis
This review examines the photocatalytic applications of titanium dioxide nanoparticles, which are widely used for breaking down environmental pollutants including microplastics through light-driven chemical reactions. Researchers discuss how different crystal phases and modifications of these nanoparticles enhance their ability to degrade organic contaminants. The study highlights the potential of titanium dioxide-based photocatalysis as an environmentally friendly technology for addressing persistent pollutants.
Low Environmental Impact Remediation of Microplastics: Visible-Light Photocatalytic Degradation of PET Microplastics Using Bio-Inspired C,N-TiO2/SiO2 Photocatalysts
Researchers developed bio-inspired carbon and nitrogen co-doped TiO2/SiO2 photocatalysts capable of degrading PET microplastics under visible light, offering a low-energy alternative to UV-based photocatalysis for remediating microplastic contamination in aquatic environments.
Low environmental impact remediation of microplastics: Visible-light photocatalytic degradation of PET microplastics using bio-inspired C,N-TiO2/SiO2 photocatalysts
Researchers developed a new light-powered cleaning method using modified titanium dioxide to break down PET microplastics in water. The process works under visible light at room temperature, making it more practical and environmentally friendly than other cleanup approaches. This matters because PET is one of the most common plastics found polluting waterways.
Introduction and Advancements in Room-Temperature Ferromagnetic Metal Oxide Semiconductors for Enhanced Photocatalytic Performance
This review examines recent advances in room-temperature ferromagnetic metal oxide semiconductors and their potential for enhanced photocatalytic performance in environmental remediation. The study focuses on materials like titanium dioxide that can break down pollutants when activated by light. The study suggests these materials could be applied to degrading microplastic-associated contaminants and other environmental pollutants through photocatalytic processes.
Microplastic Pollutant Degradation in Water Using Modified TiO2 Photocatalyst Under UV-Irradiation
This study tested modified titanium dioxide (TiO2) photocatalysts for their ability to degrade microplastic pollutants in water using light-driven oxidation. Modified TiO2 showed improved photocatalytic activity against microplastics compared to unmodified TiO2, which suffers from limited efficiency under visible light.
Heavy Metal Removal from Aqueous Effluents by TiO2 and ZnO Nanomaterials
This review analyzed the literature on TiO2 and ZnO semiconductor nanomaterials for removing heavy metals like lead, cadmium, and chromium from wastewater via photocatalytic reduction, finding that performance is strongly influenced by particle size, synthesis method, and surface area. Modifications such as doping and coupling with other semiconductors can extend their activity into the visible light range.
A Review on Photocatalysis Used For Wastewater Treatment: Dye Degradation
Researchers reviewed metal oxide-based photocatalysts — materials that use light to break down pollutants — for treating dye-contaminated wastewater, highlighting how rare-earth doping and nanocomposite design can overcome the limitations of standard titanium dioxide catalysts and improve degradation efficiency under visible light.
A highly efficient supported TiO2 photocatalyst for wastewater remediation in continuous flow
This paper is not about microplastics — it presents a novel titanium dioxide photocatalyst supported on glass wool fibers for breaking down organic pollutants in wastewater under light exposure.
Titanium Dioxide–Reduced Graphene Oxide Composites for Photocatalytic Degradation of Dyes in Water
Researchers developed titanium dioxide–reduced graphene oxide composite photocatalysts that efficiently degraded multiple industrial dyes in water under visible light, with degradation rates significantly higher than those of pure TiO2 alone.
Microplastic pollution reduction by a carbon and nitrogen-doped TiO2: Effect of pH and temperature in the photocatalytic degradation process
Scientists tested a carbon and nitrogen-doped TiO2 photocatalyst for degrading microplastics and found that degradation efficiency depended strongly on pH and temperature, with optimal conditions achieving significant surface mineralization of tested polymer types.
Integration of Photocatalysis and Membrane Technology as a Hybrid System for Microplastic Degradation in Wastewater
Researchers evaluated a hybrid system combining TiO2 photocatalysis with membrane filtration for degrading microplastics in wastewater. The photocatalytic membrane reactor demonstrated effective removal and degradation of polyethylene, polypropylene, and PET microplastics, suggesting that integrated photocatalytic-membrane systems could improve microplastic removal beyond what conventional wastewater treatment achieves.
Visible-light photocatalysts: Prospects and challenges
This research update reviews the state of visible-light photocatalysis, discussing material types including metal oxides, organic semiconductors, and composites, their applications for environmental remediation and solar fuel generation, and the major challenge of scaling up photocatalytic processes to industrial viability. The authors identify cost-competitiveness with existing technologies as the primary barrier to practical deployment.
Modified 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.
Silver Doped TiO2 Photocatalyst for Disinfection ofE. coli and Microplastic Pollutant Degradation in Water
Researchers developed a silver-doped titanium dioxide photocatalyst that could simultaneously kill E. coli bacteria and break down polyethylene microplastics in water under light exposure. This combined disinfection and plastic degradation capability could be useful in water treatment systems.
Photodegradation of polyethylene debris in water by sulfur-doped TiO2: system optimization, degradation mechanism, and reusability
This study optimized the photodegradation of polyethylene bag debris in water using sulfur-doped titanium dioxide as a photocatalyst, finding that controlling pH, catalyst dose, and polyethylene concentration improved degradation efficiency. The results offer a promising approach for breaking down plastic waste in water environments.
Green Synthesis of Citrus sinensis Peel Extract‐Mediated Ag‐TiO2 and Its Application as a Photocatalyst for Organic Molecules and Antimicrobial Agent
Silver-titanium dioxide nanocomposites were synthesized using Citrus sinensis peel extract as a green reducing agent and evaluated for photocatalytic wastewater purification and antimicrobial activity. The Ag-TiO2 composite showed improved photocatalytic performance compared to pristine TiO2, demonstrating the potential of plant extract-mediated green synthesis for environmental applications.