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61,005 resultsShowing papers similar to Recent Advances of Magnetite (Fe3O4)-Based Magnetic Materials in Catalytic Applications
ClearRemediation strategies for micro/nanoplastic pollution using magnetic nanomaterials
This review surveys recent developments in using magnetic nanomaterials, such as iron oxide nanoparticles and magnetic composites, to remove micro- and nanoplastics from water and soil. These materials can capture plastic particles through adsorption, help clump them together for removal, or even break them down, and they can be magnetically recovered for reuse. The study highlights that magnetic nanomaterials offer a promising approach for cleaning up plastic pollution, though challenges remain in scaling up for real-world use.
Emerging Applications of Magnetic Nanomaterials in the Remediation of Microplastics from the Aquatic Environment
This review examined the use of magnetic nanomaterials for removing microplastics from aquatic environments, summarizing how magnetic separation can efficiently capture plastic particles for remediation purposes. The authors highlight magnetic nanomaterials as a promising and scalable tool for microplastic cleanup.
Magnetic Cobalt and Other Types of Ferrite Nanoparticles: Synthesis Aspects and Novel Strategies for Application in Wastewater Treatment (Review)
This review examines how magnetic ferrite nanoparticles can be used to remove pollutants from wastewater through both physical adsorption and light-activated chemical breakdown. While focused on water treatment technology rather than microplastics directly, these nanoparticles could potentially be used to capture or degrade microplastics and the toxic chemicals they carry. Advances in wastewater treatment are essential for reducing the amount of microplastics that reach drinking water sources.
Removal of microplastics from water by magnetic nano-Fe3O4
Researchers developed a method for removing microplastics from water using magnetic iron oxide nanoparticles that attach to plastic surfaces, allowing the particles to be pulled out with a magnet. The technique achieved removal rates above 80% for common microplastic types in environmental water samples including river water, sewage, and seawater, suggesting a practical approach for water treatment.
Advances in magnetic materials for microplastic separation and degradation
This review examined advances in magnetic materials and nanostructures for separating and degrading microplastics from water, highlighting their potential for targeted adsorption, transport, and catalytic degradation of plastic pollution in aquatic environments.
Advances in magnetic materials for microplastic separation and degradation
This review examines how magnetic materials can be used to capture and break down microplastics in water. Different types of magnetic particles, including iron nanoparticles and tiny magnetic robots, can attract and remove microplastics with high efficiency. These technologies could be important for cleaning up microplastic-contaminated water supplies and reducing human exposure through drinking water.
Magnetic Nanoparticles: Synthesis, Characterization, and Their Use in Biomedical Field
This review covers the synthesis, properties, and biomedical uses of magnetic nanoparticles for applications like drug delivery, medical imaging, and cancer treatment. While not directly about microplastics, the same nanoparticle technologies discussed here are being adapted for environmental cleanup, including the removal of microplastics from water. The paper serves as a useful reference for understanding the nanotechnology tools that could help address microplastic pollution.
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.
A 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.
Iron Based Core-Shell Structures as Versatile Materials: Magnetic Support and Solid Catalyst
Scientists synthesized iron-silica core-shell nanoparticles and tested their use in catalysis and magnetic separation of contaminants from water. Magnetic nanoparticles are being explored as a technology for removing microplastics from water by magnetically attracting and separating plastic particles.
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.
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.
Removal of Micro and Nanoplastics from Water Using Magnetic Nanoparticles: A Review
This review evaluates the use of magnetic nanoparticles as a technology for removing micro- and nanoplastics from water. Researchers found that magnetic nanoparticles can effectively capture plastic particles through surface interactions and be easily separated from water using magnets. The study suggests this approach offers a promising and energy-efficient method for cleaning microplastic-contaminated water, though challenges remain in scaling it for real-world applications.
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.
Nano-based remediation strategies for micro and nanoplastic pollution
This review covers how nanomaterial-based technologies can be used to remove microplastics from the environment, including methods using magnetic nanoparticles, photocatalysts, and membrane filters. While current physical, chemical, and biological removal methods each have limitations, nanomaterials can enhance their effectiveness by targeting smaller plastic particles that traditional methods miss. Better removal technologies could ultimately reduce human exposure to microplastics in drinking water and food.
The use of commercial magnetite for the adsorption of fuels in contaminated waters
Researchers tested commercial magnetite (Fe3O4) nanoparticles as adsorbents for diesel and biodiesel fuel removal from contaminated water, finding that biodiesel had greater affinity for the iron oxide surface than diesel. The study demonstrates magnetite's potential as a magnetically recoverable adsorbent for fuel spill remediation, with the authors noting the material's broader applicability to microplastic and pollutant removal from water.
Revealing the role of magnetic materials in light-driven advanced oxidation processes: enhanced degradation of contaminants and facilitated magnetic recovery
This paper is not directly about microplastics — it reviews the use of magnetic semiconductor photocatalysts to improve wastewater treatment efficiency, focusing on pollutant degradation and catalyst recovery via magnetic separation, without addressing microplastic contamination.
Application of Surface-Modified Natural Magnetite as a Magnetic Carrier for Microplastic Removal from Water
Researchers modified natural magnetite — a common iron mineral — with a hydrophobic chemical coating so it would stick to plastic particles in water, then used magnets to pull everything out. When applied to six common plastic types including polyethylene and polystyrene, finely-ground treated magnetite removed over 90% of the microplastics. This low-cost, naturally-sourced approach could offer a scalable method for cleaning microplastics from water supplies.
Adsorptive removal of micron-sized polystyrene particles using magnetic iron oxide nanoparticles
Researchers demonstrated that magnetic iron oxide nanoparticles can effectively adsorb and remove micron-sized polystyrene microplastics from water, offering a magnetically recoverable approach to microplastic remediation.
Magnetic and electrical techniques for the effective removal of microplastics and nanoplastics
This review covers the latest advances in using magnetic and electrical methods to remove microplastics and nanoplastics from the environment, including magnetic iron-based and carbon-based materials, magnetic micro-robots, electrocoagulation, electrosorption, and electrokinetic separation. These physical and electrochemical approaches are gaining traction as efficient, chemical-free alternatives to conventional filtration. The review helps identify which removal technologies are most promising for large-scale water treatment applications.
A Review of Materials for the Removal of Micro- and Nanoplastics from Different Environments
This review evaluates methods for removing microplastics and nanoplastics from water, soil, and air, finding that traditional approaches like filtration work for larger particles but struggle with nanoscale plastics. Newer technologies like magnetic nanoparticles and photocatalysis show promise, but challenges remain in making these solutions affordable and scalable for real-world cleanup.
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.
Polystyrene microplastics removal from aqueous solutions by magnetic iron nanoparticles
Researchers tested magnetic iron oxide (Fe₃O₄) nanoparticles for removing polystyrene microplastics from water, systematically optimizing concentration, dosage, contact time, and pH, and found effective microplastic removal through adsorption interactions that could be leveraged for environmental remediation.
Magnetic Removal of Micro‐ and Nanoplastics from Water—from 100 nm to 100 µm Debris Size
Researchers demonstrated a magnetic method for removing micro- and nanoplastics from water using iron oxide nanoparticles that attract oppositely charged plastic particles. The technique was effective across a wide size range, from 100 nanometers to 100 micrometers, and worked with multiple plastic types. The study suggests that magnetic removal could help address the gap in current wastewater treatment, which struggles to capture the smallest plastic particles.