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20 resultsShowing papers similar to A Review on Photocatalysis Used For Wastewater Treatment: Dye Degradation
ClearSynthesis 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.
Adsorption 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.
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.
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.
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.
Effective Removal of Methylene Blue by Mn3O4/NiO Nanocomposite under Visible Light
Researchers synthesized manganese oxide and nickel oxide nanocomposites and tested their ability to remove methylene blue dye from wastewater under visible light through photocatalysis. The study found that the nanocomposite effectively degraded the dye, demonstrating a low-cost approach to wastewater treatment that could help address water pollution challenges.
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.
A Review on the Use of Metal Oxide-Based Nanocomposites for the Remediation of Organics-Contaminated Water via Photocatalysis: Fundamentals, Bibliometric Study and Recent Advances
This review examines how metal oxide nanocomposite materials can be used as photocatalysts to break down toxic organic pollutants in contaminated water using light energy. While focused on cleaning up dyes, drugs, and pesticides, the technology is relevant to microplastics because similar photocatalytic approaches are being explored to degrade plastic particles in water. Improving water treatment technologies like these could help reduce human exposure to the cocktail of pollutants, including microplastics, found in water supplies.
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.
Photocatalytic Degradation of Methylene Blue Dye by Promising Zinc Copper Ferrite Nanoparticles for Wastewater Treatment
Researchers synthesized copper-zinc ferrite nanoparticles and tested their ability to break down methylene blue dye in wastewater using photocatalysis. They found that the nanoparticles effectively degraded the dye under light exposure, demonstrating strong potential for water treatment applications. The study presents a relatively simple and cost-effective approach for removing harmful dye pollutants from industrial wastewater.
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.
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.
Rubber/BiOCl: Yb,Er composite for the enhanced degradation of methylene blue and Rhodamine B dyes under solar irradiation
Researchers created a composite material by combining a photocatalyst with recycled rubber from bicycle tires that can break down textile dyes under sunlight. The composite completely degraded methylene blue and rhodamine B dyes through solar-powered photocatalytic reactions. This approach demonstrates a practical way to repurpose rubber waste while simultaneously addressing water pollution from industrial dye contamination.
Synthesis, characterization of Ag-doped CdS-WO2 nanocomposite and effects of photocatalytic degradation in RhB under visible light irradiation
Researchers synthesized a silver-doped cadmium sulfide and tungsten oxide nanocomposite and tested its ability to photocatalytically degrade rhodamine B dye under visible light. Developing more efficient photocatalysts could support removal of plastic-associated dye pollutants from wastewater.
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.
Recent Advances in Nitride Composites for Effective Removal of Organic Dyes in Wastewater Treatment
This review examined the use of nitride-based composite materials for removing organic dyes from industrial wastewater. Researchers found that these materials show strong potential for efficient and selective removal of toxic dye compounds through photocatalysis and adsorption, offering a promising approach for treating contaminated industrial water.
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.
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.
Photocatalytic Performance of SiO2/CNOs/TiO2 to Accelerate the Degradation of Rhodamine B under Visible Light
A silicon dioxide/carbon nano-onion/titanium dioxide composite photocatalyst was developed and shown to efficiently break down the dye Rhodamine B under visible light. Photocatalytic materials like this have potential applications for breaking down plastic additives and microplastic-associated chemicals in contaminated water.
Bandgap engineering approach for designing CuO/Mn3O4/CeO2 heterojunction as a novel photocatalyst for AOP-assisted degradation of Malachite green dye
Scientists designed a three-component metal oxide photocatalyst for breaking down Malachite green dye, an industrial pollutant, using light-driven reactions. The material achieved efficient dye removal by engineering its light-absorbing properties and generating reactive molecules that degrade the contaminant. This approach offers a potential low-cost and effective method for treating dye-contaminated wastewater.