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20 resultsShowing papers similar to Removal of Polystyrene Microplastics from Aqueous Solution Using the Metal–Organic Framework Material of ZIF-67
ClearMicroplastics removal from aqueous environment by metal organic frameworks
This review examines how metal-organic frameworks (MOFs), a class of advanced porous materials, can remove 70-99.9% of microplastics from water in laboratory settings. MOFs can be customized with specific pore sizes and chemical properties to target different types of microplastics. While challenges remain with cost and scaling up, this technology shows promise for developing more effective water treatment systems to reduce human exposure to microplastics in drinking water.
Advances in metal-organic frameworks for microplastic removal from aquatic environments: Mechanisms and performance insights
Researchers reviewed over 65 studies on using metal-organic frameworks (MOFs) — highly porous, sponge-like materials — to remove microplastics from water, finding some MOFs achieved up to 98% removal efficiency and could be reused six times, making them a promising filtration technology for microplastic pollution.
Metal–organic framework-based foams for efficient microplastics removal
Scientists developed foam materials made from zirconium metal-organic frameworks that can efficiently capture microplastics from water, offering a promising filtration approach for water treatment applications. The porous foam structure provides high surface area for trapping plastic particles.
Efficient removal of polystyrene nanoplastics from complex water system through multiple driving forces with MOF-based composite
Researchers integrated the metal-organic framework UIO-66 into melamine foam to create a composite adsorbent (UMF) that removes polystyrene nanoplastics from water with 65.5 mg/g capacity, maintaining over 81% efficiency after 25 reuse cycles and across a broad pH range, through multiple simultaneous binding mechanisms.
Eco-friendly hydrophobic ZIF-8/sodium alginate monolithic adsorbent: An efficient trap for microplastics in the aqueous environment
Scientists created an eco-friendly sponge-like material made from a metal-organic framework (ZIF-8) and seaweed-based sodium alginate that can trap microplastics from water. The material removed up to 594 milligrams of microplastics per gram of adsorbent and worked well even in real-world water samples like tap water, river water, and seawater. This type of practical, reusable filter material could help reduce the amount of microplastics reaching drinking water supplies.
Metal–organic framework applications for microplastic remediation: exploring pathways and future potential
This review examines how metal-organic frameworks (specialized porous materials) can be used to capture and remove microplastics from water. Microplastics are emerging contaminants that threaten aquatic ecosystems and human health. The paper explores different remediation pathways and the future potential of these advanced materials for cleaning up microplastic pollution.
Metal–Organic Frameworks (MOFs) for Adsorption and Degradation of Microplastics
This review examines metal-organic frameworks (MOFs), a class of porous materials, as a promising technology for capturing and breaking down microplastics in water. MOFs offer advantages over traditional filtration because they can be designed to target specific plastic types and sizes. While still mostly tested in laboratories, MOF-based approaches could help close the gap in water treatment where conventional methods fail to remove the smallest and most harmful microplastic particles.
Nanoplastics Removal from Water using Metal–Organic Framework: Investigation of Adsorption Mechanisms, Kinetics, and Effective Environmental Parameters
Researchers developed a metal-organic framework material that can remove 96% of nanoplastics from water through an adsorption process. The material works by attracting the negatively charged nanoplastic particles to its surface through electrostatic forces and can be regenerated for repeated use. This technology could provide a practical solution for removing the tiniest and most dangerous plastic particles from drinking water.
Exploration of interaction mechanism and removal performance of polystyrene nanoplastics with covalent organic framework: Experimental and theoretical study
Researchers synthesized a covalent organic framework (COF) material and demonstrated it can remove polystyrene nanoplastics from water with 99% efficiency within two hours, driven primarily by electrostatic attraction, and retains strong performance across multiple regeneration cycles.
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.
The Application of Metal–Organic Frameworks in Water Treatment and Their Large-Scale Preparation: A Review
This review examines metal-organic frameworks (MOFs), highly porous materials being developed for water treatment that can remove pollutants including microplastics through filtration and catalytic breakdown. MOFs have exceptional surface area and can be tailored to target specific contaminants, making them promising for advanced water purification. The challenge remains scaling up MOF production for real-world water treatment use, which could help reduce human exposure to microplastics in drinking water.
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.
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.
Metal-organic frameworks and plastic: an emerging synergic partnership
This review examines how metal-organic frameworks (MOFs), a class of crystalline nanoporous materials, can be used to address plastic pollution in water. Researchers found that MOFs show promise as adsorbents for removing micro- and nanoplastic particles, especially when integrated into composite materials or membranes, achieving high removal efficiency and water flow rates. The study also highlights an emerging trend of producing MOFs from plastic waste like PET as a sustainable source of raw materials.
Metal-Organic Frameworks for the Elimination of Microplastics from Water: A Review of Advances and Mechanisms.
**TLDR:** This review summarizes research on using special materials called metal-organic frameworks (MOFs) to remove tiny plastic particles from water that can harm human health. Scientists have found these materials can effectively capture and break down microplastics in lab studies, but they still need to overcome challenges like high costs and making the process work in real-world water treatment systems. This research is important because microplastics are everywhere in our water supply and pose health risks to humans.
A review on metal organic frameworks (MOFs) modified membrane for remediation of water pollution
This review covers how metal-organic framework (MOF) materials can be incorporated into membranes to improve filtration of pollutants from contaminated water. The technology shows promise for removing microplastics and chemical contaminants, though most applications remain at laboratory scale.
Application of metal-organic frameworks for photocatalytic degradation of microplastics: Design, challenges, and scope
This review examines how metal-organic frameworks can be designed and applied for photocatalytic degradation of microplastics in wastewater, addressing the challenge of microplastic hydrophobicity and their resistance to conventional treatment. The authors discuss design strategies, current performance limitations, and future directions for scaling photocatalytic MOF technology to practical remediation applications.
Removal of nano-sized polystyrene plastic from aqueous solutions using untreated coffee grounds
Researchers tested untreated coffee grounds as a low-cost biosorbent for removing nanoplastics from water, finding up to 74% removal efficiency across a wide pH range within 40 minutes, with electrostatic interactions and hydrogen bonding between coffee ground surface groups and the polystyrene particles driving adsorption.
An Advanced Approach of MOF-Mediated Microplastic Degradation After Confiscating Microplastics by MOFs
This review proposed using metal-organic frameworks (MOFs) as an advanced approach for capturing and degrading microplastics in aquatic environments, discussing MOF characteristics tailored for adsorption and the mechanisms underlying capture and degradation. The paper highlighted MOF interaction sites, photocatalytic degradation pathways, and challenges for scaling these approaches.
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.