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61,005 resultsShowing papers similar to Photocatalytic Degradation of Textile Dyeing Wastewater Using Titanium Dioxide on a Fixed Substrate: Optimization of Process Parameters and Continuous Reactor Tests
ClearAdsorption and Photocatalytic Mineralization of Bromophenol Blue Dye with TiO2 Modified with Clinoptilolite/Activated Carbon
Researchers studied the removal of a synthetic dye from wastewater using a titanium dioxide/activated carbon photocatalyst under UV light. Advanced photocatalytic water treatment technologies have potential application in degrading microplastics and associated chemical contaminants in wastewater streams.
Methyl Orange Photo-Degradation by TiO2 in a Pilot Unit under Different Chemical, Physical, and Hydraulic Conditions
Researchers tested titanium dioxide as a photocatalyst for breaking down a textile dye under UV light, studying the effects of various chemical and physical conditions on degradation rates. Similar advanced oxidation technologies are being explored for degrading microplastic particles and associated chemical pollutants in water treatment.
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.
Solar-Induced Photocatalytic Degradation of Reactive Red and Turquoise Dyes Using a Titanium Oxide/Xanthan Gum Composite
Researchers evaluated TiO2 immobilized in xanthan gum as a solar photocatalyst for degrading reactive textile dyes, finding effective degradation of both reactive red and turquoise dyes under simulated sunlight, with performance varying by pH, dye concentration, and catalyst loading.
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.
The Comparison of Metal Doped TiO2 Photocatalytic Active Fabrics under Sunlight for Waste Water Treatment Applications
Researchers developed metal-doped titanium dioxide nanoparticle-coated fabrics that can self-clean stains under sunlight, potentially reducing the need for chemical detergents during washing. The study notes that frequent textile washing releases both toxic effluents and microfibers into water systems, and these photocatalytic fabrics could help reduce that environmental burden.
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.
Tailoring visible-light active TiO2/cellulose nanocomposites with controlled crystalline structure for enhanced photocatalytic performance
Researchers developed a simple, low-temperature method for growing titanium dioxide nanoparticles on cellulose without the need for high-heat processing. The study found that by adjusting acid concentration and temperature, they could control the crystal structure of the nanoparticles, with a mixed-phase version achieving over 99% degradation of a test dye under visible light. These findings suggest a greener approach to creating photocatalytic materials for breaking down pollutants.
Synthesis and Characterization of Titanium Dioxide Hollow Nanofiber for Photocatalytic Degradation of Methylene Blue Dye
Researchers synthesized and characterized titanium dioxide hollow nanofibers with enhanced photocatalytic properties, demonstrating their effectiveness in degrading methylene blue dye as a model wastewater contaminant.
Functionally Graded Chitosan Ferrite Beads for Photocatalytic Degradation of Eriochrome Black T and Congo Red Dyes
This study developed chitosan-ferrite beads for photocatalytic degradation of synthetic dyes in wastewater. Textile dyes frequently co-occur with microplastic fibers in wastewater effluents, and combined removal strategies are important for reducing multiple types of pollution simultaneously.
Photocatalytic Degradation of Polyamide 66; Evaluating the Feasibility of Photocatalysis as a Microfibre-Targeting Technology
Researchers evaluated photocatalysis using UV light and titanium dioxide as a treatment technology targeting polyamide 66 microfibres in wastewater, finding measurable degradation evidenced by mass loss, changes in carbonyl index, and morphological alteration, suggesting photocatalysis as a candidate microfibre-removal technology for wastewater treatment plants.
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.
Synthesis and Characterization of Hydroxyapatite/Titania Composite and its Application on Photocatalytic Degradation of Remazol Red B Textile Dye under UV Irradiation
Researchers synthesized hydroxyapatite/titania (HA/TiO2) composites using calcium from sea mussel shells and evaluated their photocatalytic degradation of Remazol Red RB textile dye under UV irradiation. The 1:1 HA/TiO2 composite achieved 94.22% dye removal within 2 hours, outperforming HA adsorption alone at 92.23% removal.
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.
Recent Advances in Efficient Photocatalytic Degradation Approaches for Azo Dyes
This review summarizes recent advances in photocatalytic degradation of azo dyes from textile wastewater, examining the efficiency of various semiconductor photocatalysts and the reaction conditions needed for effective treatment.
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.
Catalytic and Physicochemical Evaluation of a TiO2/ZnO/Laccase Biocatalytic System: Application in the Decolorization of Azo and Anthraquinone Dyes
Researchers developed a biocatalytic system combining titanium dioxide, zinc oxide, and the enzyme laccase to break down textile dyes in wastewater. The system successfully decolorized two types of synthetic dyes used in fabric manufacturing. While not directly about microplastics, synthetic dye wastewater from textiles also carries microfibers, and treatments that address both problems together are environmentally valuable.
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.
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.
Degradation of residual dyes in actual textile wastewater using UV/H2O2: Evaluation of the impact of operating variables through multi-layer perceptron analysis
Researchers evaluated the UV/hydrogen peroxide advanced oxidation process for degrading residual dyes in actual textile wastewater, using machine learning to assess the relative importance of operating variables. The study found that hydrogen peroxide concentration and UV intensity were the most significant factors influencing dye degradation efficiency.
Sunlight-Driven Photocatalytic Active Fabrics through Immobilization of Functionalized Doped Titania Nanoparticles
Researchers developed sunlight-driven self-cleaning fabrics by immobilizing zinc-doped titanium dioxide nanoparticles onto textiles, reducing the need for chemical detergents and limiting the release of microfibers and harmful effluents during washing.
UV-Based Advanced Oxidation Processes of Remazol Brilliant Blue R Dye Catalyzed by Carbon Dots
Researchers developed titanium-doped carbon dot (TiP-CD) catalysts for UV-based advanced oxidation processes (UV/H2O2 and UV/S2O8 2-) to degrade Remazol Brilliant Blue R anthraquinone textile dye, finding effective decomposition under UV irradiation at pH 7 and 25 degrees Celsius.
Degradation of microplastic fibers in laundry wastewater via immobilized silver-titanium dioxide based photocatalytic membrane reactor / Biao Wang
Researchers developed an immobilised silver-titanium dioxide photocatalytic membrane reactor (PMR) to remove and degrade polyester microplastic fibers (PMPF) from laundry wastewater, coating Ag-TiO2 catalyst onto Al2O3 ceramic membranes. The system achieved up to 99.9% rejection of both simulated and real PMPF and a 23.2% degradation rate after 48 hours of UVC irradiation, with FESEM and FTIR/GC-MS analysis confirming significant polyester fiber degradation.
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.