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61,005 resultsShowing papers similar to Functionalization of Shorea faguetiana biochar using Fe2O3 nanoparticles and MXene for rapid removal of methyl blue and lead from both single and binary systems
ClearA 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.
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.
Properties and Possibilities of Using Biochar Composites Made on the Basis of Biomass and Waste Residues Ferryferrohydrosol Sorbent
Not relevant to microplastics — this is a materials science study on iron-enriched biochar composites made from waste biomass, evaluated for their ability to remove dyes, pharmaceuticals, and heavy metals from water via adsorption.
Removal of Co-Occurring Microplastics and Metals in an Aqueous System by Pristine and Magnetised Larch Biochar
Researchers tested pristine and modified biochar for simultaneous removal of co-occurring microplastics and heavy metals from water, finding that biochar surface modifications improved adsorption of both contaminant classes, offering a promising dual-removal treatment strategy.
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.
Zero-valent iron supported-lemon derived biochar for ultra-fast adsorption of methylene blue
Researchers developed a nano zero-valent iron supported on lemon-derived biochar composite for ultra-fast adsorption of methylene blue dye from water, demonstrating its effectiveness as an ecofriendly and low-cost adsorbent for water treatment.
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.
Clean water production from plastic and heavy metal contaminated waters using redox-sensitive iron nanoparticle-loaded biochar
Researchers developed a biochar material loaded with iron nanoparticles that can simultaneously remove nanoplastics and heavy metal ions from contaminated water. The material achieved over 90 percent removal across a range of water conditions and worked effectively in both batch and continuous-flow tests. The study presents a practical, low-cost approach for cleaning up water polluted with both plastic particles and toxic metals.
Synergistic mechanisms for the superior sorptive removal of aquatic pollutants via functionalized biochar-clay composite
Researchers developed a functionalized algal biochar-clay composite that achieved synergistic removal of antibiotics and dyes from water, with a thirty-fold increase in surface area compared to raw biochar, demonstrating effectiveness in both batch and continuous flow systems.
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.
Application of Magnetic Biochar@Alginate Composite as Adsorbent for Effective Removal of Methylene Blue from Aqueous Media
Researchers synthesized a magnetic biochar-alginate composite (mBC@Alg) adsorbent for methylene blue removal from aqueous solutions, characterizing it via FTIR and SEM, and determining through batch adsorption experiments that the material follows Langmuir isotherm behavior with a maximum adsorption capacity of 416.67 mg/g and fits a pseudo-second-order kinetic model.
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.
Performance and Mechanism of Fe3O4 Loaded Biochar Activating Persulfate to Degrade Acid Orange 7
Researchers developed an iron oxide-loaded biochar material that can activate persulfate to break down acid orange 7, a common industrial azo dye pollutant, in water. The modified biochar achieved high degradation rates through a combination of adsorption and advanced oxidation processes. The study demonstrates a potential low-cost approach for treating dye-contaminated wastewater using engineered biochar materials.
Functionalized Biochars for Enhanced Removal of Heavy Metals from Aqueous Solutions: Mechanism and Future Industrial Prospects
This review examined functionalized biochar materials as adsorbents for removing heavy metals from water, comparing surface modification strategies that enhance metal uptake capacity and selectivity. Functionalized biochars showed substantially improved adsorption performance over unmodified biochar and low-cost conventional materials.
Functional surface homogenization of nanobiochar with cation exchanger for improved removal performance of methylene blue and lead pollutants
A nanobiochar surface was homogenized with an Amberlite cation exchanger using microwave irradiation, increasing maximum adsorptive capacity for methylene blue and lead ions, with 92.26% removal efficiency and 1000 micromol/g lead removal maintained after regeneration.
Enhanced adsorption performance of sulfamethoxazole and tetracycline in aqueous solutions by MgFe2O4-magnetic biochar
Researchers developed MgFe2O4-magnetic biochar adsorbents from corncob that simultaneously removed two common antibiotics — sulfamethoxazole and tetracycline — from water, offering an efficient and separable solution for antibiotic pollution remediation.
Facile Preparation of Magnetic Chitosan Carbon Based on Recycling of Iron Sludge for Sb(III) Removal
Researchers prepared magnetic chitosan carbon by recycling iron sludge from water treatment combined with chitosan, characterizing the material's sorption capacity for heavy metals and organic dyes. The composite showed effective removal of both types of contaminants and could be magnetically separated for regeneration, offering a dual-function adsorbent derived from waste streams.
Preparation of a novel reusable 2D-MXene with flower-like LDH composite for ultra-high adsorption of congo red and doxycycline: Stability and environmental application
Scientists created a new recyclable material combining MXene and layered double hydroxides that can remove over 98% of certain pollutants from wastewater. While this study focused on dye and antibiotic removal rather than microplastics directly, the same type of advanced filtration technology could be adapted to help remove micro- and nanoplastic contaminants from water supplies.
Functional Nanohybrids and Nanocomposites Development for the Removal of Environmental Pollutants and Bioremediation
This review examined functional nanohybrid and nanocomposite materials developed for removing environmental pollutants including heavy metals, dyes, and microplastics from water, assessing synthesis approaches and removal mechanisms. Multifunctional nanomaterials combining adsorptive, photocatalytic, and magnetic properties were identified as the most promising candidates for sustainable water treatment.
Differential effects of polystyrene microplastics on the adsorption of cadmium and ciprofloxacin by tea leaf litter‐derived magnetic biochar: Influencing factors and mechanisms
Researchers investigated how polystyrene microplastics influence the adsorption of cadmium and ciprofloxacin by magnetic biochar (prepared from tea leaf litter) in both single and binary pollutant systems, finding that microplastics differentially affected the removal efficiency of the two contaminants. The study demonstrated that microplastic presence in water treatment scenarios can complicate the performance of biochar-based remediation, with effects varying by pollutant type, pH, and ionic conditions.
Effect of CeO2-Reinforcement on Pb Absorption by Coconut Coir-Derived Magnetic Biochar
Researchers prepared cerium oxide-doped magnetic biochar from coconut coir and found it significantly outperformed undoped magnetic biochar for removing lead from contaminated wastewater, with the CeO2 reinforcement providing additional adsorption sites that improved heavy metal uptake.
Adsorption and thermal degradation of microplastics from aqueous solutions by Mg/Zn modified magnetic biochars
Researchers developed magnesium- and zinc-modified magnetic biochars that achieved over 94% removal efficiency for polystyrene microplastics from water, with performance enhanced by the metal modifications. The modified biochars also showed effectiveness in thermally degrading the captured microplastics, offering a potential two-step approach for microplastic removal and destruction in water treatment.
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.