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61,005 resultsShowing papers similar to Facile Preparation of Magnetic Chitosan Carbon Based on Recycling of Iron Sludge for Sb(III) Removal
ClearAdsorptive Elimination of Heavy Metals from Aqueous Solution Using Magnetic Chitosan/Cellulose-Fe(III) Composite as a Bio-Sorbent
Magnetic chitosan/cellulose-Fe(III) composite biosorbents were developed and characterized, demonstrating effective removal of Cr(VI), Cu(II), and Pb(II) from water, with adsorption efficiency varying with pH, dose, time, and temperature according to Langmuir and Freundlich isotherm models.
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.
Magnetically Separable Humic Acid-Chitin Based Adsorbent as Pb(II) Uptake in Synthetic Wastewater
Researchers synthesized a magnetic humic acid-chitin composite material to adsorb lead (Pb) from synthetic wastewater, achieving high removal efficiency. Magnetically separable adsorbents are being developed for removing microplastics and associated heavy metals from contaminated water.
Engineering a chitosan-encapsulated PDA/Fe3O4@cenosphere composite for dual adsorption of microplastics and organic dyes
Researchers engineered a composite adsorbent from industrial fly ash waste by coating cenospheres with polydopamine and iron oxide, then encapsulating them in chitosan beads. The resulting material demonstrated high adsorption capacity for both polystyrene microplastics and organic dyes, and could be magnetically recovered for reuse. The study presents a sustainable approach to water remediation that simultaneously addresses microplastic and dye pollution using repurposed industrial waste.
Preparation, Characterization and Adsorption Properties of Chitosan-Iron Nanocomposite
This paper is not directly about microplastics — it describes the synthesis and characterization of a chitosan-iron oxide nanocomposite for removing methyl green dye from water, with no connection to microplastic pollution.
A Recyclable Magnetic Biochar from Corn Cobs and Red Mud for Treating Complex Contaminants Containing Dyes and Heavy Metals
Researchers synthesized a recyclable magnetic multifunctional biochar (MMBC-400) from co-pyrolysis of corn cobs and red mud at 400°C and demonstrated its effectiveness for simultaneously removing malachite green dye and Pb2+ from complex wastewater, achieving high removal efficiency in both single and binary contaminant systems with magnetic recyclability.
Selective Removal of Anionic and Cationic Dyes Using Magnetic Composites
Researchers synthesized a composite material combining zinc-aluminum layered double hydroxide with magnetic biochar and tested it for removing dyes from water. The composite effectively adsorbed both positively and negatively charged dyes, and its magnetic properties allowed easy recovery from solution. The study demonstrates that this type of composite adsorbent could be a practical, reusable tool for treating dye-contaminated wastewater.
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.
Green-Synthesized Iron Oxide-Chitosan Nanocomposite for Chromium and Nanoplastics Remediation
Researchers synthesized iron oxide nanoparticles and a chitosan-based iron oxide nanocomposite using Aspergillus iranicus for the first time, demonstrating effective simultaneous removal of chromium ions and nanoplastics from contaminated 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.
Mesoporous Ag-functionalized magnetic activated carbon-based agro-waste for efficient removal of Pb(II), Cd(II), and microorganisms from wastewater
Researchers developed silver nanoparticle-functionalized magnetic activated carbon nanosorbents derived from agricultural waste that efficiently remove lead and cadmium ions from wastewater while also exhibiting strong antibacterial activity against both gram-negative and gram-positive bacteria. The material could be regenerated and reused up to five cycles.
Engineered Magnetic Carbon-Based Adsorbents for the Removal of Water Priority Pollutants: An Overview
This review covers the preparation and application of magnetic carbon-based adsorbents (derived from activated carbon, biochar, graphene, carbon nanotubes, and related materials) for removing inorganic and organic pollutants from water, comparing preparation routes and adsorption performance across different adsorbent types.
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.
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.
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.
Chitosan Biopolymer and Its Nanocomposites: Emerging Material as Adsorbent in Wastewater Treatment
This review examines chitosan biopolymer and its nanocomposites as emerging adsorbent materials for wastewater treatment, highlighting their high adsorption capacity and surface charge for efficiently removing various pollutants from contaminated water.
Magnetic Mesoporous Carbon/β-Cyclodextrin–Chitosan Nanocomposite for Extraction and Preconcentration of Multi-Class Emerging Contaminant Residues in Environmental Samples
Researchers developed a magnetic mesoporous carbon/beta-cyclodextrin-chitosan nanocomposite for dispersive magnetic solid-phase extraction of ten emerging contaminants including fluoroquinolone antibiotics and parabens from environmental water samples, achieving detection limits of 0.1 to 0.7 micrograms/L.
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.
Theoretical and experimental investigation on rapid and efficient adsorption characteristics of microplastics by magnetic sponge carbon
Researchers developed a magnetic sponge carbon material that demonstrated rapid and efficient adsorption of microplastics from water, with both theoretical modeling and experiments confirming strong removal capacity driven by magnetic and porous structural properties.
Chitosan‐assisted magnetic coconut shell biochar for polystyrene microplastic removal: Mechanism and reusability
Researchers created a recyclable magnetic biochar material from coconut shells, modified with chitosan, that removed up to 91% of polystyrene microplastics from water. The material maintained its effectiveness through five consecutive reuse cycles, and water treated with the biochar actually promoted better plant growth, demonstrating practical potential for environmental cleanup.
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.
Recent advances in magnetic sodium alginate-based composites as the emerging adsorbents for wastewater treatment: A review
This review examines recent advances in magnetic sodium alginate-based composite materials as adsorbents for water contaminant removal, evaluating their effectiveness for removing heavy metals, dyes, pharmaceuticals, and microplastics from aqueous systems.
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.
Preparation of Magnetic Activated Carbon by Activation and Modification of Char Derived from Co-Pyrolysis of Lignite and Biomass and Its Adsorption of Heavy-Metal-Containing Wastewater
Researchers prepared magnetic activated carbon (MAC) from co-pyrolysis char of lignite and poplar leaves, modifying it with Fe3O4 to enable magnetic separation, and evaluated its adsorption of lead and cadmium from wastewater. At optimal conditions (pH 5, 120 min, 4 g/L dosage), the MAC achieved adsorption efficiencies of 84.4% for Pb and 78.8% for Cd, following Langmuir monolayer adsorption kinetics.