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61,005 resultsShowing papers similar to Performance of MOF-containing active layer and HOF-based support layer of ultrafiltration membrane for nanoplastics removal from secondary effluent
ClearEvaluating the performance of the metal organic framework-based ultrafiltration membrane for nanoplastics removal
Researchers created an advanced membrane filter using metal-organic framework nanoparticles that removed over 99% of nanoplastics from water while maintaining high water flow rates. The membrane resisted fouling and worked reliably across multiple cycles and different water conditions. This type of technology could improve wastewater treatment plants' ability to prevent nanoplastics from reaching drinking water supplies.
Fabrication of dual-charged MOF-based ultrafiltration membrane to remove charged nanoplastics from wastewater
Researchers developed a new type of water filter membrane that can remove over 99% of nanoplastics from wastewater while maintaining high water flow. The membrane uses metal-organic framework nanoparticles that repel plastic particles through electrical charges and physical filtering. This technology could help prevent nanoplastics, which are too small for conventional filters, from reaching drinking water sources.
Experimental Evaluation of the Process Performance of MF and UF Membranes for the Removal of Nanoplastics
Researchers evaluated microfiltration (MF) and ultrafiltration (UF) membrane performance for removing polystyrene nanospheres (120 and 500 nm) from water, finding that UF membranes can achieve high removal of nanoplastic particles that conventional wastewater treatment misses.
An assessment of the impact of structure and type of microplastics on ultrafiltration technology for microplastic remediation
Researchers assessed ultrafiltration technology for microplastic removal from water, finding that membrane performance varied based on microplastic structure, size, and polymer type, with implications for optimizing tertiary treatment in water purification systems.
Metal-organic framework membrane for waterborne micro/nanoplastics treatment
Researchers reviewed the potential of metal-organic framework (MOF) membranes — materials with highly tunable pore structures — to filter micro- and nanoplastics from water more effectively than conventional filtration. MOF membranes showed promise due to their adjustable surface chemistry and resistance to biological fouling, though challenges like particle clumping and structural stability still need to be resolved.
Toward Scalability: Fe‐MOF‐Based Ultrafiltration Membrane for Effective Microplastics Removal from Drinking Water at Point‐of‐Use
Researchers developed a metal-organic framework composite membrane for removing microplastics from drinking water at point-of-use. By integrating an iron-based MOF onto a commercial ultrafiltration membrane, they achieved enhanced removal of PET microplastics while maintaining water flow suitable for practical use. The study demonstrates a scalable approach to reducing microplastic exposure from bottled and tap drinking water.
Microplastics and dye removal from textile wastewater using MIL-53 (Fe) metal-organic framework-based ultrafiltration membranes
Researchers developed an advanced ultrafiltration membrane using a metal-organic framework material to simultaneously remove microplastics and dyes from textile wastewater. The modified membrane showed improved pollutant rejection rates and better resistance to fouling compared to conventional membranes. The study demonstrates a promising approach for tackling multiple contaminants in one of the most polluting industrial wastewater streams.
Ultrafiltration/Granulated Active Carbon-Biofilter: Efficient Removal of a Broad Range of Micropollutants
A treatment system combining membrane bioreactor ultrafiltration with granulated activated carbon (GAC) biofilter was evaluated for removal of pharmaceutical residues and other micropollutants from wastewater, achieving complete removal of all investigated substances including microplastics. The study identifies this two-stage advanced treatment approach as effective for a broad spectrum of micropollutants currently passing through conventional WWTPs.
Advancements in Sustainable Membrane Technologies for Enhanced Remediation and Wastewater Treatment: A Comprehensive Review
This review covers membrane filtration technologies—reverse osmosis, nanofiltration, and ultrafiltration—as methods for removing contaminants from water, with relevance to microplastic and nanoplastic removal from drinking water and wastewater. Advancing membrane-based treatment is critical for reducing the microplastic load in treated water that humans and ecosystems are ultimately exposed to.
Current Trend of MOFs Incorporated Membranes for Advanced Wastewater Treatment
This review covers the use of metal-organic framework (MOF) nanoparticles incorporated into membrane filters to improve wastewater treatment performance, including better rejection of persistent pollutants. Advanced membrane technologies incorporating nanomaterials also show potential for removing microplastics from water, making this treatment research broadly relevant.
A hybrid LMO MOF catalytic membrane with PMS activation for efficient degradation of pharmaceutical micropollutants and nanoplastics removal
Researchers developed a hybrid catalytic membrane combining metal-organic frameworks with layered metal oxides for degrading pharmaceutical micropollutants and removing nanoplastics from water. The membrane achieved 95-99.5% degradation of several micropollutants and 98.5% removal of polystyrene nanoplastics. The study demonstrates a dual-function water treatment approach that addresses both chemical and plastic particle contamination simultaneously.
Development of hydroxyapatite-enhanced membrane for nanoplastics removal: Multiple scenarios and mechanism exploration
Researchers developed a novel hydroxyapatite-functionalized PVDF membrane (HAPF) for nanoplastics removal, achieving a water flux of 4376 LMH and high polystyrene nanoplastic rejection efficiency, with the optimized membrane prepared via a one-step method at pH 7.3.
Análise de técnicas de remediação para a mitigação de micro e nanoplásticos em oceanos com base na revisão da literatura
This review analyzed scientific literature on remediation techniques for removing micro- and nanoplastics from ocean environments, identifying and comparing two key approaches: the first focused on membrane-based methods — ultrafiltration, membrane bioreactors, and dynamic membrane technology — for wastewater treatment, and the second examined nanomaterials as adsorbents. Membrane technologies demonstrated high removal efficiency for micro- and nanoplastics, though each method presents implementation challenges that require further research.
Microplastics 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.
Remediation of Micro- and Nanoplastics by Membrane Technologies
This review examined how membrane filtration technologies can remove micro- and nanoplastics from water and wastewater, since conventional treatment plants cannot fully eliminate these particles. Researchers found that techniques like ultrafiltration, nanofiltration, reverse osmosis, and membrane bioreactors are highly effective at capturing microplastics, though each has trade-offs related to cost, fouling, and energy use. The study also raises the concern that polymeric membranes themselves could potentially release plastic particles during the filtration process.
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.
Wastewater Treatment Methods for Removal of Microplastics from Effluents
This book chapter reviewed pressure membrane technologies — including ultrafiltration, nanofiltration, and reverse osmosis — for removing microplastics and nanoplastics from wastewater effluents. The authors evaluate the performance, cost, and limitations of each membrane type and discuss how combinations of technologies can achieve higher removal efficiencies.
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.
Removal behaviors and mechanism of polystyrene microplastics by coagulation/ultrafiltration process: Co-effects of humic acid
Researchers investigated coagulation-ultrafiltration for removing polystyrene microplastics from drinking water, finding that aluminum-based coagulants achieved over 92% removal efficiency and that humic acid co-presence affected the removal mechanism and membrane fouling.
Nanotechnology-based approaches for the removal of microplastics from wastewater: a comprehensive review
This review summarizes how nanotechnology-based approaches could help remove microplastics from wastewater, since conventional treatment plants are not very effective at capturing the smallest particles. Materials like metal-organic frameworks, carbon nanomaterials, and advanced membranes show promise in lab settings for filtering out microplastics. However, scaling these technologies for real-world use and ensuring the nanomaterials themselves are safe remain major challenges.
Fate and Behavior of Microplastics in Ultrafiltration Membrane Systems for Water Treatment: Fouling, Releasing, and Organic Leaching
Researchers investigated the fate and behavior of microplastics in ultrafiltration membrane systems used for water treatment, examining three key phenomena: membrane fouling caused by microplastic deposition, release of microplastics through membrane failure or bypass, and leaching of organic additives from microplastics. The work provides mechanistic understanding of how microplastics interact with ultrafiltration systems in drinking water treatment contexts.
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.
Best of Both Worlds: Adsorptive Ultrafiltration Nanocellulose‐Hypercrosslinked Polymer Hybrid Membranes for Metal Ion Removal
Researchers developed an adsorptive ultrafiltration membrane combining nanocellulose and hypercrosslinked polymer to achieve high removal of both microplastics and dissolved contaminants, demonstrating dual-function performance in water treatment.
Emerging PMS-Based LMO–COF Membrane with Improved Stability for the Mineralization of Micropollutants and Rejection of Nanoplastics from Wastewater
Researchers developed a novel layered metal oxide-covalent organic framework (LMO-COF) membrane integrated with peroxymonosulfate oxidation to simultaneously remove pharmaceutical micropollutants and nanoplastics from wastewater, achieving improved stability and mineralization performance.