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61,005 resultsShowing papers similar to Comparison of ZIF-14 (qtz) and a One-pot Synthesized Superparamagnetic Iron Oxide/ZIF-14 (qtz) Composite for the Adsorption of Diclofenac
ClearComparison of MAF-32 and a One-Pot Synthesized Superparamagnetic Iron Oxide/MAF-32 Composite for the Adsorption of Diclofenac
This paper is not about microplastics. It describes the development of a magnetic composite material for removing the pharmaceutical pollutant diclofenac from water. While pharmaceutical water contamination is a public health concern, this study focuses on materials science and drug removal technology rather than microplastic pollution or its health effects.
Synthesis and characterization of a novel ternary magnetic composite for the enhanced adsorption capacity to remove organic dyes
A novel composite material (Fe3O4/NC/MOF) combining iron oxide nanoparticles, nanocellulose, and a zinc-based metal-organic framework was synthesized using simple mechanical agitation for adsorbing organic dyes from water. The composite effectively removed four dye types (Congo red, Basic Blue 54, Basic Violet 14, Acid Red 88) with performance evaluated across pH, temperature, and contact time variables.
Efficient removal of diclofenac from surface water by the functionalized multilayer magnetic adsorbent: Kinetics and mechanism
Researchers developed a chitosan-based multilayer magnetic adsorbent (FCS-PD) for removing diclofenac from surface water, demonstrating efficient pharmaceutical removal through adsorption kinetics studies in both synthetic water and real surface water samples, with magnetic separation enabling practical adsorbent recovery.
Magnetic nanocomposites: innovative adsorbents for antibiotics removal from aqueous environments–a narrative review
This review examines how magnetic nanocomposite materials can be used to remove pharmaceutical pollutants from water. While not directly about microplastics, the technology is relevant because microplastics in water often carry pharmaceutical residues that conventional treatment cannot fully remove. Better water filtration methods like these could help reduce human exposure to the cocktail of pollutants that microplastics transport.
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.
PSS‐Functionalized Fe 3 O 4 /ZIF‐67 Nanocomposite: An Efficient Adsorbent for Rapid Removal of Microplastics From Wastewater
Researchers developed a magnetic nanocomposite material for rapid removal of microplastics from wastewater using ultrasound-assisted adsorption. The material achieved equilibrium within 15 minutes with a maximum adsorption capacity of 2816 mg/g for polystyrene microplastics, and also demonstrated broad removal capabilities for other microplastic types, organic dyes, heavy metals, and antibiotics.
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.
Nanoarchitectonics of molybdenum rich crown shaped polyoxometalates based ionic liquids reinforced on magnetic nanoparticles for the removal of microplastics and heavy metals from water
This study developed mesoporous composite adsorbents consisting of polyoxometalate-based ionic liquids on magnetic silica-coated nanoparticles for simultaneous removal of heavy metals and microplastics from water. The composites achieved high removal efficiency for both contaminant classes and could be magnetically separated for reuse, offering a dual-function water treatment material.
Removing micro- and nanoplastics (MNPs) from water via novel composite adsorbents: A review
Researchers reviewed advances in composite materials — including carbon-based, magnetic, and metal-organic framework (MOF) materials — designed to adsorb and remove micro- and nanoplastics from water, finding that each type offers performance advantages over traditional adsorbents but also faces challenges around cost, scalability, and environmental safety. The review calls for future materials that are stable, sustainable, and practical for large-scale water treatment.
Synthesis and characterization of electrospun-based composite for the remediation of pharmaceutical pollutants in wastewater
Researchers synthesised and characterised electrospun molecularly imprinted polymer composites designed to adsorb pharmaceutical pollutants — including NSAIDs such as naproxen and ibuprofen and antiretroviral drugs — from wastewater. The multi-template imprinted polymer demonstrated selective adsorption capacity for the target pharmaceuticals, presenting a nanotechnology-based remediation strategy for removing persistent drug contaminants from aquatic environments.
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.
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.
Microwave-assisted rapid synthesis of C@Fe3O4 composite for removal of microplastics from drinking water
Researchers synthesized a magnetic carbon-iron oxide composite material that efficiently adsorbed and removed microplastics from drinking water using a simple magnetic separation step. The rapid synthesis method and strong removal performance suggest this material could be practical for water treatment applications.
Enhanced adsorption and co-adsorption of heavy metals using highly hydrophilicity amine-functionalized magnetic hydrochar supported MIL-53(Fe)-NH2: performance, kinetics and mechanism studies
Researchers developed a composite material made from invasive plant-derived carbon combined with a metal-organic framework to simultaneously remove multiple heavy metals from water. The approach addresses co-contamination of aquatic environments where heavy metals and microplastics often occur together.
Capillary Electrophoresis for Assessing Static Adsorption/Desorption of Pharmaceutically Active Compounds onto/from Transition Metal Oxide Nanoparticles - Central Composite Design of Response Surface Methodology
Researchers used capillary electrophoresis to study how pharmaceutical compounds adsorb onto and release from metal oxide nanoparticles. Understanding adsorption behavior is relevant to how microplastics and nanoplastics bind pharmaceutical pollutants and carry them through water systems.
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.
Efficient Removal of Micro-Sized Degradable PHBV Microplastics from Wastewater by a Functionalized Magnetic Nano Iron Oxides-Biochar Composite: Performance, Mechanisms, and Material Regeneration
Researchers developed a magnetic iron oxide-biochar composite capable of removing biodegradable PHBV microplastics from wastewater with over 98% efficiency. The material worked through a combination of surface adsorption and magnetic separation, maintained performance across a wide pH range, and retained over 92% removal efficiency after four regeneration cycles.
Removal of polystyrene nanoplastics from aqueous solutions by a novel magnetic zeolite adsorbent
Researchers synthesized a magnetic zeolite adsorbent using co-precipitation and tested it for removal of polystyrene nanoplastics from water, achieving a maximum adsorption capacity of 34.2 milligrams per gram. Iron oxide functional groups on the zeolite surface drove nanoplastic capture via electrostatic attraction, complexation, and pi-pi conjugation, and the material could be magnetically separated for reuse.
Environmentally azithromycin pharmaceutical wastewater management and synergetic biocompatible approaches of loaded azithromycin@hematite nanoparticles
Researchers used plant-derived iron oxide nanoparticles to efficiently remove the antibiotic azithromycin from pharmaceutical wastewater, achieving a removal rate of over 90%. The resulting nanoparticle-antibiotic combination also showed promising antibacterial, anticancer, and antiviral activity, pointing toward a dual-purpose environmental and medical application.
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.
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.
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 polymeric ferric magnesium chloride: Fe species distribution, characterization and coagulation removal of microplastics in water
Researchers developed a magnetic polymeric ferric magnesium chloride (MPFMC) coagulant and characterized its iron species distribution and physicochemical properties for use in removing microplastics from water. The study elucidated the coagulation mechanism by which MPFMC captures microplastic particles, demonstrating its potential as an efficient water treatment agent.
Removal of Polystyrene Microplastics from Aqueous Solution Using the Metal–Organic Framework Material of ZIF-67
Researchers demonstrated that the metal-organic framework ZIF-67 can effectively adsorb polystyrene microplastics from aqueous solutions, achieving high removal efficiency and suggesting MOF materials as a promising approach for microplastic removal from wastewater.