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61,005 resultsShowing papers similar to Malachite green removal using ionic flocculation
ClearFabrication 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.
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.
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.
A reusable mesoporous adsorbent for efficient treatment of hazardous triphenylmethane dye wastewater: RSM-CCD optimization and rapid microwave-assisted regeneration
Researchers synthesized a porous nanomaterial made from calcium and aluminum that can adsorb large amounts of the toxic industrial dye malachite green from wastewater, then rapidly regenerate it for reuse using microwave heating — retaining over 90% efficiency after five cycles. The approach offers an energy-efficient and reusable solution for removing hazardous organic pollutants from industrial wastewater.
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.
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).
The Optimal Concentration of Nanoclay Hydrotalcite for Recovery of Reactive and Direct Textile Colorants
Researchers determined the optimal concentration of nanoclay hydrotalcite for adsorbing reactive and direct textile dyes from wastewater, finding that the material effectively removed colorants while enabling analysis of metal ion displacement during adsorption, offering insights for more sustainable textile dyeing wastewater treatment.
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.
Efficient Removal of Polyethylene UsingMagnesium Hydroxide and AnionicPolyacrylamide as Dual-Coagulant byCoagulation-Flocculation Processes
Researchers investigated the removal of polyethylene microplastics from simulated natural water using magnesium hydroxide and anionic polyacrylamide as dual coagulants, finding optimal conditions at 40 mg/L Mg2+, pH 12, and 20°C, achieving high removal efficiency via coagulation-flocculation.
Rapid 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.
A dual-functional sulfone biscompound containing 1,2,3-triazole moiety for decolorization and disinfection of contaminated water
Researchers synthesized a dual-function sulfone compound that achieved near-complete removal of malachite green dye from water within 10 minutes and completely eliminated waterborne bacterial pathogens within 70-90 minutes of contact, offering a combined decolorization and disinfection treatment.
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.
Evaluating the Role of Calcium Ions in the Removal of Nanoplastics ( 607 nm) by Flocculation‐Enhanced Sedimentation using Alginate
Researchers evaluated the role of calcium ions in enhancing nanoplastic removal from water through flocculation-sedimentation using alginate, finding that calcium promotes bridging between alginate chains and nanoplastic surfaces to improve phase separation. The study identifies calcium ion concentration as a critical parameter for optimizing nanoplastic removal in water treatment applications.
Application of response surface methodology for color removing from dyeing effluent using de-oiled activated algal biomass
Activated de-oiled Chlorella vulgaris microalgal biomass was tested as a biosorbent for removing Acid Red dye from dyeing effluent, with response surface methodology used to optimize pH, dosage, and contact time, achieving high color removal efficiency.
Ultra-efficient catalytic degradation of malachite green dye wastewater by KMnO4-modified biochar (Mn/SRBC)
Researchers synthesized KMnO4-modified spirulina residue biochar (Mn/SRBC) as a heterogeneous catalyst for oxidative degradation of malachite green dye, finding ultra-high removal efficiency dependent on initial pH and H2O2 concentration, with a rich pore structure providing increased catalytic surface area.
Adsorption–desorption behavior of malachite green by potassium permanganate pre-oxidation polyvinyl chloride microplastics
PVC microplastics treated with potassium permanganate oxidation gained MnO2 nanoparticles on their surface, increasing malachite green dye adsorption capacity from 2.6 mg/g to 140.7 mg/g under composite oxidation conditions, though high total desorption capacity indicates significant risk of dye release in gastrointestinal fluids.
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.
Performance Evaluation of Hybrid and Conventional Coagulants for the Removal of Sunset Yellow and Methylene Violet Dyes from Wastewater
This study evaluated hybrid coagulants combining chitosan and polysilicate acid with aluminum salts for removing Sunset Yellow and Methylene Violet dyes from textile wastewater, finding that hybrid formulations achieved higher removal efficiency than conventional aluminum coagulants alone.
Efficiency of Coagulation/Flocculation for the Removal of Complex Mixture of Textile Fibers from Water
Researchers tested coagulation and flocculation for removing a mixture of synthetic and natural textile fibers from water, finding that the presence of natural fibers significantly affected removal efficiency compared to single-fiber studies, which has practical implications for wastewater treatment.
Sedimentation of nanoplastics from water with Ca/Al dual flocculants: Characterization, interface reaction, effects of pH and ion ratios
Researchers investigated the use of calcium-aluminum dual flocculants to remove nanoplastics from water, characterizing the sedimentation process and finding that pH and ion ratios significantly influenced flocculation efficiency through interface reactions at the nanoplastic surface.
Cross-Linked Starch as Media for Crystal Violet Elimination from Water: Modeling Batch Adsorption with Fuzzy Regression
Researchers evaluated cross-linked starch as an adsorbent for crystal violet dye removal from water, modeling adsorption isotherms and kinetics and demonstrating that the biopolymer provides effective, low-cost removal of this common textile dye.
Using nano zero valent iron supported on diatomite to remove acid blue dye: synthesis, characterization and toxicology test
Researchers synthesized iron nanoparticles supported on diatomaceous earth and tested their ability to remove a toxic blue dye from water. The material showed effective dye removal and low toxicity to zebrafish, offering a potential green technology for industrial wastewater treatment.
Treatment of emerging pollutants (Potassium permanganate, furosemide, PET and glitter microplastics) by coagulation / flocculation / sedimentation process with the use of organic coagulant extracted from Moringa oleifera seeds
Researchers evaluated the use of an organic coagulant extracted from Moringa oleifera seeds to remove emerging pollutants -- including PET and glitter microplastics, potassium permanganate, and furosemide -- via coagulation/flocculation/sedimentation, finding it a promising natural alternative to conventional chemical coagulants for water treatment.
Elimination of a Mixture of Microplastics Using Conventional and Detergent-Assisted Coagulation
Researchers tested coagulation as a method to remove microplastics from tap water, evaluating how microplastic type (PE and PVC), water pH, coagulant dose, and microplastic concentration affect removal efficiency, and finding that detergent-assisted coagulation improves performance.