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Papers
61,005 resultsShowing papers similar to Effects of Impeller Shape and Rotational Speed in a Stirred Tank on the Microplastic Capture Efficiency using Oil-Based Ferrofluid
ClearStudy on Harnessing Ferrofluid Technology for Efficient Microplastic Extraction from Ocean Water and Optimization of Manufacturing Materials
Researchers developed a ferrofluid-based method for extracting microplastics from ocean water, using magnetic attraction to selectively capture plastic particles mixed with ferrofluid. The technique offers a novel, efficient approach for ocean microplastic remediation and sample collection.
Synthesis and Evaluation on the Performance of Ferrofluid in Wastewater Treatment
Researchers evaluated iron oxide magnetic nanoparticles (ferrofluids) as a water treatment technology capable of removing turbidity, metals, and organic contaminants. Magnetic nanoparticles that can also capture microplastics from water represent a promising approach for more comprehensive water purification.
Use of ferrofluids in the removal of microplastics from waters
This paper explores using ferrofluids — magnetic fluids — as a method to remove microplastics from water. The approach leverages magnetic attraction to pull plastic particles from aquatic environments, offering a potential new tool for water treatment that could reduce plastic exposure for aquatic organisms and humans.
Innovating Ferro-sonication approach for extracting microplastics from wastewater
Researchers developed a ferro-sonication approach for extracting microplastics from wastewater, combining magnetic separation with ultrasonic treatment to achieve high-efficiency particle recovery from complex effluent matrices.
Investigasi Ferrofluid Dengan Bahan Besi dan Nikel Menggunakan Software Image J
This Indonesian study investigated using ferrofluids containing iron and nickel particles to extract and capture microplastics from water, using magnetic separation. Magnetic-based methods offer a promising approach for rapidly removing microplastics from contaminated water without conventional filtration.
Magnetic Ferrous Fluid for Microplastics Extraction Application
Researchers tested a magnetic ferrofluid technique inspired by a student science fair project to extract microplastics from water using magnetic forces. This novel approach could offer a simple, low-energy method for removing microplastics from contaminated water sources.
Removal Efficiency for Micro-Polystyrene in Water by the Oil-Based Ferrofluid Employ Response Surface Methodology
Researchers investigated palm oil-based ferrofluid containing magnetite nanoparticles for removing micro-polystyrene particles from water, optimising six process variables using Plackett-Burman and central composite response surface designs. The optimised conditions yielded a removal efficiency of 91.09%, with the ferrofluid reusable for up to five cycles and achieving low relative standard deviation below 5%.
Experimental investigation of inertial fibres and disks in a turbulent boundary layer
This study investigated the use of magnetic iron oxide nanoparticles as a capture technology for removing microplastics from water, achieving over 90% removal efficiency for polystyrene and polyethylene particles using an external magnetic field. Recyclability of the sorbent was demonstrated over 10 cycles.
Effective removal of Micro- and nanoplastics from water using Iron oxide nanoparticles: Mechanisms and optimization
Researchers developed a magnetic separation method using iron oxide nanoparticles to remove micro- and nanoplastics from water, achieving up to 95% removal efficiency within just 20 minutes. The technique works through hydrophobic interactions between the iron oxide particles and plastic surfaces, and was particularly effective for smaller nanoplastics. The method offers a relatively simple, rapid, and cost-effective approach to filtering plastic particles from contaminated water.
Microplastics and other pollutants in the aquatic environment: study of interactions and new removal strategies
Researchers evaluated iron magnetic nanoparticles (MNPs) with varying surface modifications -- bare Fe3O4, TEOS-coated, and TEOS+MPS-coated -- for removing four types of microplastics (Nylon 6, PTFE at two sizes, and PMMA) from water, assessing how surface chemistry and synthesis time affect removal efficiency.
Durably Superhydrophobic Magnetic Cobalt Ferrites for Highly Efficient Oil–Water Separation and Fast Microplastic Removal
Researchers developed superhydrophobic magnetic cobalt ferrite particles for removing microplastics from water using a simple coprecipitation method. The particles achieved nearly 100% microplastic removal efficiency with a capture capacity of 2.56 grams per gram, maintained stable performance across pH 1-13, and retained effectiveness after 10 reuse cycles. The study demonstrates a practical, recyclable approach to microplastic remediation in water treatment.
Effect of aggregation behavior on microplastic removal by magnetic Fe3O4 nanoparticles
Researchers investigated how magnetic iron oxide nanoparticles can remove nanoscale microplastics from water. They found that 83 to 93 percent of the plastic particles could be captured within one hour, with removal efficiency strongly linked to how the nanoparticles and plastics clump together. The study shows that water acidity and salt levels significantly influence the process, offering practical guidance for deploying magnetic cleanup technologies.
Enhanced removal of microplastics from wastewater treatment plants by a novel magnetic filter
This study developed a novel magnetic adsorption approach to enhance microplastic removal in wastewater treatment plant effluents, achieving high removal efficiency across a range of particle sizes and polymer types.
Research on Capture Performance of an Induction Type Microplastics Recovery Device
Researchers designed and tested an induction-type device to capture and recover microplastics from ocean water. The device uses tilted inlet plates and controlled water flow to separate and collect plastic particles. Developing effective recovery tools is an important part of addressing the buildup of microplastics in marine environments.
Optimization of elutriation device for filtration of microplastic particles from sediment
Researchers optimized an elutriation device — which uses upward water flow to separate particles by density — achieving high microplastic recovery rates from sediment by adjusting flow rate and column diameter. The optimized device provides a practical, low-cost tool for extracting microplastics from environmental sediment samples in research and monitoring programs.
Testing an Iron Oxide Nanoparticle-Based Method for Magnetic Separation of Nanoplastics and Microplastics from Water
Researchers tested iron oxide nanoparticles with hydrophobic coatings as a method for magnetically separating micro- and nanoplastics from water. The approach achieved 100% removal of larger microplastics and nearly 90% removal of nanoplastics using a simple permanent magnet, suggesting a viable method for water purification and environmental monitoring.
Efektivitas Ferrofluid dalam Penurunan Parameter Limbah Laundri
Researchers tested ferrofluid — a suspension of magnetic nanoparticles — for removing microplastics and other pollutants from laundry wastewater, achieving a 66% reduction in microplastic concentration, 70% reduction in suspended solids, and 50% reduction in dissolved solids, though surfactant removal was only 10%. These results suggest ferrofluid is a promising but partial treatment for the high microplastic loads in laundry wastewater discharge.
Surface-engineered anisotropic Fe3O4 nanoplates for highly efficient magnetic field-assisted micro/nanoplastics remediation
Researchers developed surface-engineered anisotropic magnetite (Fe3O4) nanoplates coated with SiO2 for highly efficient magnetic field-assisted removal of micro- and nanoplastics from aqueous environments. The anisotropic nanoplate architecture provided greater surface area and improved magnetic responsiveness compared to conventional spherical particles, enabling efficient capture and separation of plastic particles across a range of sizes and polymer types.
Efficient magnetic capture of PE microplastic from water by PEG modified Fe3O4 nanoparticles: Performance, kinetics, isotherms and influence factors
Researchers developed PEG-modified Fe3O4 magnetic nanoparticles that efficiently capture polyethylene microplastics from water with a maximum adsorption capacity of 2,203 mg/g, maintaining high removal efficiency across varying environmental conditions.
Understanding the fragmentation of microplastics into nano-plastics and removal of nano/microplastics from wastewater using membrane, air flotation and nano-ferrofluid processes
This review described how nanoplastics form from fragmentation of larger microplastics in wastewater and examined the performance of membrane filtration, air flotation, and nano-ferrofluid processes for removing nano- and microplastics from wastewater, finding nano-ferrofluid treatment most effective for the smallest particles.
Removal of microplastics by electrocoagulation
Researchers investigated electrocoagulation (EC) as a microplastic removal method using a fractional factorial design to evaluate electrode type, contact time, agitation speed, and current density, finding that an aluminum anode at 20 A/m2 and 70 rpm achieved 98.04% microplastic removal within 15 minutes with high model accuracy (R2 = 0.99).
Application of Iron Oxide-Coated Membranes in Permeable Block Systems for Advanced Removal of Micro- and Nanoplastics
This study evaluated iron oxide-coated membranes integrated into permeable block systems for removing microplastics and nanoplastics from aqueous media. The iron oxide coating enhanced MP capture through electrostatic and magnetic interactions, achieving higher removal efficiencies than uncoated membranes.
Comparative study of the performance of conventional and modified hydrocyclones in the removal of microplastics in aqueous media.
Researchers compared the performance of conventional and modified hydrocyclone designs for removing microplastics and nanoplastics from aqueous media, evaluating design modifications that could improve separation efficiency given growing evidence of microplastic ingestion risks to humans and animals.
Fundamental Study of the Removal of Microplastic Fibers Using Swirling Flow and Magnetic Field
Researchers developed a method combining swirling water flow and a magnetic field to remove microplastic fibers from laundry wastewater. The approach was effective at capturing fiber-shaped microplastics that typically pass through conventional sewage treatment, helping prevent them from entering waterways.