We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Efficient removal of microplastics from aqueous environment by magnetic MOFs: Performance & mechanism
AI summary Read the abstract
Scientists created a magnetic sponge-like material that can soak up tiny plastic particles from water and then be pulled out easily with a magnet for reuse—tackling two big problems at once: removing microplastics effectively and making cleanup practical at scale. This matters because microplastics are increasingly found in our drinking water and food, and better removal tools like this could help reduce our exposure to these particles, whose long-term health effects scientists are still studying.
Addressing the urgent need for microplastic (MPs) removal technologies that combine high efficiency with easy recovery, this study designed a magnetic adsorbent by integrating FeO with the highly stable and porous MIL-101(Cr). The resulting FeO/MIL-101(Cr) composite maintained a high specific surface area (977 m/g) while gaining magnetic separability, effectively overcoming the pore-blocking issue common in conventional composites. It exhibited high adsorption performance toward polystyrene (PS, 1 μm and 10 μm) and polymethyl methacrylate (PMMA, 1 μm and 10 μm), as evidenced by experimentally determined adsorption capacities of 892, 10,285, 794, and 6616 mg/g, respectively. The adsorbent retained its efficacy across a broad pH range (2-8), in the presence of competing ions and humic acid, and could be regenerated and reused for five cycles in river water. However, when under alkaline conditions, structural degradation occurred, significantly restricting its potential for application in such environments. Mechanistic studies revealed that the removal process was governed by a synergy of hydrogen bonding, π-π interactions, electrostatic attraction, and van der Waals forces. This work provides a straightforward strategy for synthesizing an effective magnetic adsorbent with strong potential for MPs remediation in natural aquatic environments.
More Papers Like This
Fe-MOF@MIP Adsorbent for Removal of PS-NP Raw Data
AI summary Read the abstract
Scientists have developed a magnetic sponge-like material that can grab tiny plastic particles (called nanoplastics) out of water, then be pulled out with a magnet, cleaned, and reused many times. This matters because nanoplastics from broken-down plastic waste are increasingly found in drinking water, and current water treatment struggles to remove particles this small, so a reusable, efficient filter like this could be a promising step toward cleaner water and lower plastic exposure. This study was tested in the lab, so more research is needed before it could be used in real-world water treatment plants.
Fe-MOF@MIP Adsorbent for Removal of PS-NP Raw Data
AI summary Read the abstract
Scientists have created a magnetic sponge-like material that can selectively grab tiny plastic particles (nanoplastics) out of water, then be easily removed with a magnet and reused multiple times. This matters because nanoplastics from everyday sources like broken-down bottles and packaging are increasingly found in our water supplies, and this material could offer a practical, affordable way for water treatment plants to filter them out before they reach our taps. While these lab tests show strong results, the technology would still need real-world testing at larger scales before it shows up in your water treatment system.
Powdered MXene-integrated magnetic hydrogel for the high-capacity adsorption and rapid separation of microplastics from water
AI summary Read the abstract
Scientists created a magnetic sponge-like material that can grab up to 96% of tiny plastic particles (microplastics) out of water in just 15 minutes, then be pulled out with a magnet and reused multiple times. This matters because microplastics in our drinking water and food supply are a growing health concern, and this new material works better and safer than older versions, which leaked iron into the water at levels above safety guidelines. The technology was tested successfully in tap, lake, and seawater, suggesting it could be a practical tool for cleaning up water supplies in the real world.
Size dependent competitive adsorption of polystyrene micro and nanoplastics on a magnetic Fe3O4@MIL-100(Fe)/CNT hybrid: interfacial mechanisms and water treatment performance.
AI summary Read the abstract
Scientists created a magnetic sponge like material that removes over 90% of both microplastics and even tinier nanoplastics from water, including real wastewater. This matters because nanoplastics are so small they're hard to filter out and may be more easily absorbed by our bodies, so better removal methods could reduce our exposure through drinking water.
Adsorption of Microplastics Using Magnetically Modified Adsorbents: A Review
AI summary Read the abstract
Tiny plastic particles called microplastics have made their way into our water, food, and even our bodies, raising concerns about long-term health effects. This review rounds up existing research on a promising cleanup method: using specially designed magnetic materials that attract and stick to microplastics, then can be pulled out of water with a magnet. While this technology is still being developed and tested, it could one day offer a practical way to filter these harmful particles out of our drinking water and environment.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.