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61,005 resultsShowing papers similar to Recent Advances in Efficient Photocatalytic Degradation Approaches for Azo Dyes
ClearRecent Achievements in Photocatalytic Degradation of Organic Water Contaminants
This review examines photocatalytic degradation as an advanced method for removing organic contaminants such as drugs, agrochemicals, and dyes from water, explaining the degradation mechanism using semiconductor photocatalysts under UV and visible radiation. The authors discuss recent photocatalyst preparation methods, their stability, contaminant removal efficiencies, and the comparative advantages and limitations of photocatalytic approaches over conventional water treatment.
Microbial degradation of dyes: An overview
Researchers reviewed microbial degradation of synthetic dyes — major industrial wastewater pollutants — summarizing the bacterial, fungal, and genetically engineered organism pathways involved in azo dye breakdown, and discussing factors such as pH, temperature, and co-substrate availability that govern decolorization efficiency.
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.
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.
Microbial Innovations for Sustainable Wastewater Management: A Comprehensive Review of Azo Dye Bioremediation
Researchers reviewed microbial strategies for degrading azo dyes in industrial wastewater, examining the enzymatic mechanisms of bacteria, fungi, algae, and consortia, and highlighting that reductive cleavage of azo bonds can generate toxic aromatic amines, underscoring the need for complete mineralization pathways rather than decolorization alone.
ZnO Semiconductor Nanoparticles and Their Application in Photocatalytic Degradation of Various Organic Dyes
Researchers synthesized zinc oxide nanoparticles using a green method with pepper plant extract and tested their ability to break down organic dyes in water under UV light. The nanoparticles achieved 100% elimination of methylene blue within 60 minutes and high degradation rates for other common dyes. The study demonstrates a sustainable approach to photocatalytic water treatment for removing organic pollutants.
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 Perception for Degradation of Macro- and Micro-plastics
This review examines photocatalytic approaches for degrading both macro- and micro-plastics, surveying semiconductor-based and other photocatalytic systems capable of breaking down persistent plastic polymers in aquatic and terrestrial environments. The paper evaluates the mechanisms, efficiency, and scalability of photocatalysis as a remediation technology alongside conventional plastic waste management strategies.
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 Food and Juices Dyes via Photocatalytic Nanomaterials Synthesized through Green Synthetic Route: A Systematic Review
This systematic review highlights how green-synthesized nanoparticles can effectively degrade toxic food dyes through photocatalysis. These eco-friendly nanomaterials offer a promising alternative to conventional chemical methods for removing harmful colorants from food industry wastewater.
Copper(II)-Doped Carbon Dots as Catalyst for Ozone Degradation of Textile Dyes
Researchers developed copper-doped carbon dots as a catalyst for ozone-based degradation of textile dyes, achieving effective breakdown of multiple dye compounds including reactive and azo dyes in wastewater at near-neutral pH and room temperature.
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.
Visible Light–Driven Advanced Oxidation Processes to Remove Emerging Contaminants from Water and Wastewater: a Review
Researchers reviewed how visible light and solar energy can power chemical processes that break down emerging water contaminants — such as pesticides, pharmaceuticals, and dyes — into harmless byproducts, offering a renewable-energy-driven alternative to conventional water treatment. The review identifies key process variables like pH and catalyst dosage that control how efficiently these pollutants are destroyed.
Optimal concentration and efficiency of the photo fenton system for the treatment of a synthetic textile effluent
This paper is not about microplastics; it evaluates Photo Fenton oxidation as a treatment process for synthetic textile wastewater effluents.
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.
Fenton and solar Fenton processes: inexpensive green technologies for the decontamination of wastewater from toxic Rhodamine B dye pollutant
Not directly relevant to microplastics — this paper evaluates Fenton and solar Fenton oxidation processes for degrading Rhodamine B textile dye in wastewater.
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.
Biological Removal of Dyes from Wastewater: A Review of Its Efficiency and Advances
This review compares the efficiency of bacteria, algae, fungi, and yeasts for biological removal of dyes from wastewater, finding that mixed bacterial-fungal cultures generally outperform pure cultures. The authors identify genetic engineering and enzyme immobilization as promising advances for improving biodegradation rates but note inconsistent performance across dye types as a key limitation.
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.
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.
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.
Harnessing Bio-Immobilized ZnO/CNT/Chitosan Ternary Composite Fabric for Enhanced Photodegradation of a Commercial Reactive Dye
This paper is not about microplastics; it describes the fabrication and testing of a ZnO/carbon nanotube/chitosan composite fabric as a photocatalyst for degrading textile dye (Reactive Blue 4) in wastewater, with no connection to microplastic research.
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.
Recent Advances in the Remediation of Textile-Dye-Containing Wastewater: Prioritizing Human Health and Sustainable Wastewater Treatment
This review examines how the textile industry is a major source of wastewater containing harmful dyes and chemicals that threaten water quality and human health. It evaluates sustainable treatment approaches including bio-adsorbents, membrane technology, and advanced oxidation processes for cleaning textile wastewater and recovering useful materials.