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Papers
20 resultsShowing papers similar to Innovating superparamagnetic chitosan hybrid nanoparticles for a high-efficiency separation of oil from oil–water emulsions
ClearA comprehensive review on impregnated magnetic nanoparticle in advanced wastewater treatment: An in-depth technical review and future directions
Researchers reviewed how iron-based magnetic nanoparticles (tiny particles 10–100 nm in size) can remove pollutants like heavy metals, pharmaceuticals, and microplastics from wastewater with over 90% efficiency, while being recoverable with a magnet and reusable up to 10 times. The technology uses 20–30% less energy than traditional treatments and shows strong potential for large-scale water purification.
Tailorable Nanoparticles for Magnetic Water Cleaning of Polychlorinated Biphenyls
Researchers developed magnetic nanoparticles with customizable surface coatings that can capture and remove polychlorinated biphenyls, a class of persistent organic pollutants, from contaminated water. The nanoparticles bind the pollutants and can then be pulled out of the water using a simple magnet, enabling easy cleanup. The technology offers a promising, low-cost approach to removing hazardous chemical contaminants from water supplies.
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.
Amphiphilic Magnetic Particles Dispersed in Water and Oil for the Removal of Hydrophilic and Hydrophobic Microplastics
Researchers developed amphiphilic magnetic particles that can disperse in both oil and water, making them effective at capturing different types of microplastics from aquatic environments. The particles were synthesized with carefully balanced hydrophilic and hydrophobic coatings, allowing them to interact with a wide range of plastic pollutants. The study suggests this magnetic particle approach offers a promising, recoverable method for microplastic removal from contaminated water.
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.
Preparation of magnetic Janus microparticles for the rapid removal of microplastics from water
Researchers developed a new type of magnetic particle that can quickly remove microplastics from water, achieving 92% removal of polystyrene and 61% removal of polyethylene in just 20 minutes. These magnetic Janus microparticles work by attracting plastic through multiple mechanisms and can be easily collected with a magnet for reuse. This technology could be a practical tool for cleaning microplastics from drinking water and wastewater, helping reduce human exposure.
Advanced green capture of microplastics from different water matrices by surface-modified magnetic nanoparticles
Researchers engineered magnetic nanoparticles with specialized surface coatings that attract and capture microplastics from water through electrostatic and molecular forces, allowing the plastic-laden particles to be pulled out with a magnet in about 20 minutes. This approach offers a faster and greener alternative to current water treatment methods for removing microplastic contamination.
Functionalization of Strontium Ferrite Nanoparticles with Novel Chitosan–Schiff Base Ligand for Efficient Removal of Pb(II) Ions from Aqueous Media
Researchers developed a new magnetic nanocomposite made from strontium ferrite and a chitosan-based compound to remove lead from contaminated water. The material achieved over 98% lead removal efficiency under optimized conditions and could be easily recovered using a magnet for reuse. This approach offers a promising, recyclable tool for cleaning up heavy metal pollution in water sources.
A Sustainable Method for Removal of the Full Range of Liquid and Solid Hydrocarbons from Water Including Up‐ and Recycling
Researchers developed iron oxide nanoparticles coated with alkyl phosphonic acid that can bind to a wide range of hydrocarbons — from dissolved oils to plastic particles — regardless of molecular weight or size, and can then be magnetically separated from water. The approach offers a promising tool for removing plastic pollution from wastewater, including microplastics that are too small for conventional filtration to capture.
The use of chitosan for water purification from microplastics
Researchers investigated chitosan as a sorbent for removing microplastics from water, analyzing its physicochemical properties and proposing an optimized purification method based on chitosan's sorption characteristics.
Superhydrophobic and Sustainable Nanostructured Powdered Iron for the Efficient Separation of Oil-in-Water Emulsions and the Capture of Microplastics
This study developed and demonstrated a superhydrophobic powdered iron material that can efficiently separate oil from water and capture microplastic fibers through a single filtration process. This dual-function material could be a cost-effective and sustainable tool for removing two major ocean pollutants simultaneously.
Enhanced removal of microplastics from wastewater hydrological pathways using a magnetically recoverable Fe 3 O 4 /carbon black nanocomposite
Scientists developed a new magnetic material that can remove nearly 99% of tiny plastic particles from wastewater before it gets released into rivers and oceans. The material works like a magnet to grab plastic pieces from dirty water, then can be pulled out and reused. This could help stop microplastics from building up in our water supply and food chain, where they may pose health risks to humans.
Extraction and concentration of nanoplastic particles from aqueous suspensions using functionalized magnetic nanoparticles and a magnetic flow cell
Researchers developed a method using hydrophobic magnetic nanoparticles to capture and concentrate nanoplastics — plastic particles smaller than 1 micrometer — from water samples, achieving recovery rates of 57–85% across different water types including freshwater and seawater. This technique addresses a major gap in nanoplastic research by making it possible to detect and measure these nearly invisible particles in real environmental samples.
Constructing green superhydrophilic and superoleophobic COFs-MOFs hybrid-based membrane for efficiently emulsion separation and synchronous removal of microplastics, dyes, and pesticides
Researchers built a new type of environmentally friendly membrane that can simultaneously filter out microplastics, dyes, and pesticides from oily wastewater with over 99% efficiency. The membrane uses a combination of two advanced porous materials (MOFs and COFs) with a surface coating that repels oil but lets water through. This technology could improve water treatment and reduce the amount of microplastics and other pollutants that reach drinking water sources.
Magneto-PhotothermalSynergistic Hydrophobicity Nanoplatformfor Efficient Enrichment and Ultrasensitive Detection of Micro-Nanoplastics
Researchers developed a hydrophobic magnetic nanoplatform that integrates multiple functions, achieving microplastic removal efficiencies of 93.8% for larger particles and 87.2% for nanoplastics in ultrapure water, while also enabling ultrasensitive detection of the captured particles.
Magneto-Photothermal Synergistic Hydrophobicity Nanoplatform for Efficient Enrichment and Ultrasensitive Detection of Micro-Nanoplastics
Researchers developed a hydrophobic magnetic nanoplatform that integrates multiple functions, achieving microplastic removal efficiencies of 93.8% for larger particles and 87.2% for nanoplastics in ultrapure water, while also enabling ultrasensitive detection of the captured particles.
Development of a Fast and Efficient Strategy Based on Nanomagnetic Materials to Remove Polystyrene Spheres from the Aquatic Environment
Researchers developed magnetic nanoparticles coated with silver and an amino acid that can remove polystyrene microplastics from water with 100% efficiency in just 15 minutes. The approach works at room temperature and neutral pH, offering a fast and practical strategy for cleaning microplastic-contaminated water using simple magnetic separation.
Magnetic Field Effect on Coagulation Treatment of Wastewater Using Magnetite Rice Starch and Aluminium Sulfate
Magnetite-rich nanomaterials combined with an applied magnetic field were tested to enhance coagulation of suspended particles from wastewater, showing improved removal efficiency and enabling rapid magnetic separation and reuse. The approach offers an alternative to synthetic coagulants that carry health and environmental risks.
Magnetic polymeric composites: potential for separating and degrading micro/nano plastics
Researchers reviewed how magnetic composite materials can be used to attract, capture, and chemically break down microplastics and nanoplastics in wastewater, finding that combining magnetic separation with advanced oxidation or photocatalysis offers one of the most promising approaches for removing these persistent plastic pollutants from water.
A facile approach for oil-water separation using superhydrophobic polystyrene-silica coated stainless steel mesh bucket
Researchers fabricated a superhydrophobic stainless steel mesh bucket using polystyrene and silica nanoparticle coatings that achieved over 99% oil-water separation efficiency, and demonstrated it could simultaneously lift microplastic pollutants from water surfaces while withstanding repeated mechanical, thermal, and chemical stress.