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61,005 resultsShowing papers similar to A reusable mesoporous adsorbent for efficient treatment of hazardous triphenylmethane dye wastewater: RSM-CCD optimization and rapid microwave-assisted regeneration
ClearRapid adsorptive removal of eosin yellow and methyl orange using zeolite Y
Researchers synthesized zeolite Y using an energy-efficient method that recycles waste heat from a chemical reaction instead of external heating, then tested it as an adsorbent to remove two industrial dyes from water. The zeolite effectively removed both dyes, with adsorption best described by standard mathematical models, indicating its potential as a low-cost material for treating dye-contaminated wastewater.
Preparation and Characterization of Chabazite from Construction Waste and Application as an Adsorbent for Methylene Blue
Researchers converted construction waste into a mineral adsorbent called chabazite that effectively removes the dye methylene blue from water. Developing adsorbents from waste materials for water treatment could also address the co-contaminants that sorb onto microplastics in polluted water.
A Symmetry Concept for the Self-Assembly Synthesis of Mn-MIL-100 Using a Capping Agent and Its Adsorption Performance with Methylene Blue
Researchers synthesized a metal-organic framework material capable of adsorbing the dye methylene blue from water. Adsorptive materials like this could potentially also capture microplastics and plastic-associated dyes from wastewater before they reach aquatic ecosystems.
Amine-Terminated Modified Succinic Acid-Magnetite Nanoparticles for Effective Removal of Malachite Green Dye from Aqueous Environment
Researchers synthesised amine-terminated succinic acid-modified magnetite nanoparticles (MSA@TEPA) as an adsorbent for malachite green dye removal from aqueous solution, characterising the material by SEM, FTIR, zeta potential, TGA, and XRD. The nanocomposite achieved 97.74% removal efficiency with a Langmuir maximum adsorption capacity of 282.65 mg/g, following pseudo-second-order kinetics through electrostatic interaction and hydrogen bonding, and retained good efficiency over five reuse cycles.
Magnetite/MXene (Fe3O4/Ti3C2) Nanocomposite as a Novel Adsorbent for Environmental Remediation of Malachite Green Dye
Researchers developed a novel magnetite/MXene nanocomposite adsorbent for removing malachite green dye from water. The material showed effective adsorption properties and could be magnetically separated after use, demonstrating potential as an environmental remediation tool for organic pollutants in contaminated water sources.
Fabrication and Characterization Fe3O4/Humic Acid for the Efficient Removal of Malachite Green
Researchers synthesized magnetite/humic acid composites (Fe3O4/HA) and tested their ability to remove malachite green dye from water, finding effective adsorption following pseudo-second-order kinetics. The magnetic material offers an environmentally friendly approach to removing dye pollutants from water.
Study on the adsorption properties of organically modified diatomite for methylene blue
Researchers created a new eco-friendly composite material made from diatomite (a natural sediment), chitosan, and alginate that can adsorb the toxic textile dye methylene blue from water with a capacity of nearly 550 mg per gram — outperforming many conventional materials. The adsorbent requires no harsh chemical crosslinkers and works best under mildly alkaline conditions, making it a low-cost, sustainable option for industrial wastewater treatment.
Construction of porous sodium alginate/TEMPO-oxidized cellulose composite aerogel for efficient adsorption of crystal violet dye in wastewater
This paper is not about microplastics — it describes a porous aerogel material made from alginate and cellulose for removing cationic dyes from wastewater.
Upcycling Glass Waste into Porous Microspheres for Wastewater Treatment Applications: Efficacy of Dye Removal
Researchers upcycled waste glass into porous recycled glass microspheres via flame spheroidisation and tested their capacity for dye removal from wastewater, finding maximum monolayer adsorption capacities of 78 mg/g for Acid Red 88 and 20 mg/g for methylene blue, with removal driven by electrostatic interactions and hydrogen bonding confirmed by XPS and FTIR analysis.
Malachite green removal using ionic flocculation
Researchers developed an ionic flocculation method to remove malachite green dye from water by combining a surfactant with calcium to form flocs that adsorb the contaminant for removal by centrifugation. Optimized conditions at pH 9 with 1,400 mg/L surfactant achieved 96% removal efficiency, following Langmuir isotherm and pseudo-second-order kinetic models.
Adsorption of acid and basic dye from the simulated wastewater using carbonized microplastic particles synthesized from recycled polyethylene terephthalate plastic waste bottles: an integrated approach for experimental and practical applications
Researchers carbonized waste PET plastic bottles to create microplastic-like adsorbent particles and demonstrated their effectiveness in removing over 99% of methylene blue and methyl orange dyes from simulated wastewater, with adsorption optimized by response surface methodology and confirmed as exothermic, spontaneous, and applicable to real wastewater.
Photocatalytic efficiency of bentonite-TQD via recycling and photodegradation of organic pollutants and industrial wastewater
Scientists created a new material that uses sunlight to break down toxic dyes from clothing factories in dirty water. This clay-based cleaner removed 93% of harmful dye pollution in just one hour and can be reused multiple times, making it cheaper than current methods. This matters because textile factory waste often contaminates drinking water sources, and this technology could help make that water safer for communities near manufacturing areas.
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.
Optimising the adsorption characteristics of spent coffee grounds by thermal and chemical activation
Researchers optimized the adsorption properties of spent coffee grounds by testing thermal activation and phosphoric acid treatment, finding that heating at 600°C increased specific surface area by 72% while acid treatment provided further improvements. The study identified conditions for maximum methylene blue dye adsorption, suggesting spent coffee grounds as a potential low-cost water treatment adsorbent.
Removal of Malachite Green Using Hydrochar from PALM Leaves
Researchers prepared hydrochar from palm leaves via hydrothermal carbonization and used it as an adsorbent for malachite green dye removal from water, finding that hydrogen peroxide activation improved adsorption capacity with optimal performance at specific pH conditions.
Influence of Hydrothermal Modification on Adsorptive Performance of Clay Minerals for Malachite Green
This paper is not about microplastics. It studied how hydrothermal modification of clay minerals improves their ability to adsorb malachite green dye from wastewater. The research is focused on materials science and water treatment for dye removal, with no connection to microplastic contamination or health effects.
Adsorptive Removal of Malachite Green Dye onto Coal-Associated Soil and Conditions Optimization
Researchers investigated the adsorptive removal of malachite green dye from water using coal-associated soil as an adsorbent, characterising the material by SEM and FTIR and optimising batch parameters including adsorbent dose, pH, temperature, and contact time to achieve maximum dye removal.
New color changing sorption material for effective removal of heavy metals from wastewater
Researchers synthesized a novel zeolite-based sorbent modified with polyethylene polyamine, 1,2-pyridylazonaphthol, and ED-20 epoxy resin for removing heavy metal cations from wastewater, achieving a maximum sorption capacity of 220 mg/g. The material provides a visual color-change indicator of sorption efficiency, is unaffected by competing alkali and alkaline earth metal cations, and can be regenerated and reused across 10-12 desorption cycles using 0.20 M HCl.
Peroxymonosulfate enhanced photocatalytic degradation of organic dye by metal-free TpTt-COF under visible light irradiation
Researchers developed a metal-free, visible-light-activated photocatalyst called TpTt-COF that, when combined with a chemical oxidant (peroxymonosulfate), degrades organic dye pollutants 13.9 times faster than a comparable carbon-based material. The catalyst remained 83% effective after five reuse cycles, making it a promising candidate for treating chemical contaminants in water.
Nanoplastics Removal from Water using Metal–Organic Framework: Investigation of Adsorption Mechanisms, Kinetics, and Effective Environmental Parameters
Researchers developed a metal-organic framework material that can remove 96% of nanoplastics from water through an adsorption process. The material works by attracting the negatively charged nanoplastic particles to its surface through electrostatic forces and can be regenerated for repeated use. This technology could provide a practical solution for removing the tiniest and most dangerous plastic particles from drinking water.
Red mud/PVC composite as an efficient adsorbent for malachite green removal in fixed-bed column
Despite its title referencing a red mud/PVC composite adsorbent, this paper studies the removal of a toxic industrial dye (Malachite Green) from wastewater using a material that combines industrial waste with plastic — not microplastic pollution. It examines adsorption performance in a continuous flow system and is not relevant to microplastics or human health.
Removal of Malachite Green from Aqueous Solution using Ficus Benjamina Activated Carbon-Nonmetal Oxide synthesized by pyro Carbonic Acid Microwave
This paper is not about microplastics; it describes the use of activated carbon derived from Ficus benjamina plant waste to remove the synthetic dye malachite green from water (abstract in Arabic).
Efficient dye removal from industrial wastewater using sustainable activated carbon and its polyamide nanocomposite derived from agricultural and industrial wastes in column systems
Researchers fabricated sustainable activated carbon and polyamide nanocomposites from agricultural and industrial waste for efficient dye removal from industrial wastewater using column adsorption systems.
Fabrication of eco-friendly nanocellulose-chitosan-calcium phosphate ternary nanocomposite for wastewater remediation
Researchers fabricated a green nanocomposite membrane from nanocellulose, chitosan, and calcium phosphate — all derived from biowaste — and demonstrated it can remove up to 100% of heavy metals and dyes from wastewater without using toxic chemicals. Its high filtration flux and broad pollutant removal make it a promising sustainable water treatment material.