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61,005 resultsShowing papers similar to Supported TiO2 in Ceramic Materials for the Photocatalytic Degradation of Contaminants of Emerging Concern in Liquid Effluents: A Review
ClearFotokataliza i materiały kompozytowe TiO2/SiO2 w oczyszczaniu środowiska
This review examines the role of photocatalysis and TiO2/SiO2 composite materials as innovative methods for environmental remediation, particularly for removing water and air pollutants, while addressing the limitations of conventional treatment approaches. The analysis covers the mechanisms of TiO2 photocatalysis, its constraints including low visible-light activity, and how structural and chemical modifications through SiO2 compositing can overcome these limitations.
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.
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.
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.
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.
Degradation 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.
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.
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.
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.
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.
Uniform formation and characterization of Au/TiO2 nanoparticles for electrokinetically assisted optofluidic reactors
Researchers developed uniformly formed Au/TiO2 nanoparticles for use in plasmonic photocatalytic optofluidic reactors, addressing the limitation of TiO2's poor visible-light absorption by incorporating gold nanoparticles to enhance solar energy utilization for water purification. The study characterized the nanoparticles' formation and performance in electrokinetically assisted photocatalytic treatment of organic wastewater compounds.
Photocatalytic Degradation of Carbofuran in Water Using Laser-Treated TiO2: Parameters Influence Study, Cyto- and Phytotoxicity Assessment
Researchers investigated using laser-treated titanium dioxide surfaces to break down the pesticide carbofuran in water under simulated sunlight. They found that larger photocatalyst surface area, higher light intensity, and stirring all improved the degradation rate. The study is relevant to water treatment because it demonstrates an approach for removing organic pollutants, though it also found that some toxic intermediate compounds form during the process before being fully broken down.
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.
Photocatalytic Degradation Using TiO2 P25: A Comparative Study for Different Textile Dyes
This study compared the photocatalytic degradation efficiency of TiO2 P25 across different textile dyes, evaluating this metallic oxide catalyst as a sustainable alternative treatment for dye-contaminated industrial effluents. Results showed variable degradation rates depending on dye structure, demonstrating that TiO2-based photocatalysis is promising but requires optimization for specific contaminants.
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.
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.
Recent advances and protocol summaries for degradation of polyethylene microplastics using TiO 2 ‐based photocatalysts
This review summarizes recent advances in using TiO2-based photocatalysts to degrade polyethylene microplastics. Researchers examined the mechanisms of photocatalytic degradation and compared degradation efficiencies across studies, noting that wide variation in experimental conditions makes direct comparisons challenging. The study aims to contribute to establishing standardized laboratory protocols for photocatalytic microplastic degradation research.
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 Pharmaceutical Residues from Water and Sewage Effluent Using Different TiO2 Nanomaterials
This study tested different titanium dioxide nanostructures for breaking down pharmaceutical compounds in water using UV light. Researchers found that the most effective catalyst degraded drugs like propranolol and carbamazepine efficiently, and that natural organic matter in the water actually enhanced the treatment, suggesting practical applications for cleaning pharmaceutical residues from wastewater.
Semiconductors Application Forms and Doping Benefits to Wastewater Treatment: A Comparison of TiO2, WO3, and g-C3N4
This review compared TiO2, WO3, and g-C3N4 semiconductor photocatalysts for removing emerging contaminants from wastewater, focusing on doping strategies that extend activity to visible light. Each material showed distinct advantages and limitations for specific contaminant classes, and the review concluded that visible-light-active doped semiconductors offer the most practical path toward solar-driven water treatment.
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.
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.
Photocatalytic Degradation of Textile Dyeing Wastewater Using Titanium Dioxide on a Fixed Substrate: Optimization of Process Parameters and Continuous Reactor Tests
Researchers optimized TiO2-coated glass bead photocatalysts for degrading textile dyeing wastewater under UV irradiation, using central composite design to identify optimal conditions including TiO2 dose, initial dye concentration, and pH. The fixed-substrate photocatalytic system offers practical advantages over slurry reactors for continuous wastewater treatment.
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.