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Papers
61,005 resultsShowing papers similar to Dual modification of reverse osmosis membranes with NH2-MIL-125 and functionalised multiwalled carbon nanotubes for enhanced nanoplastic removal
ClearResilient forward osmosis membranes against microplastics fouling enhanced by MWCNTs/UiO-66-NH2 hybrid nanoparticles
Researchers developed improved forward osmosis membranes by incorporating hybrid nanoparticles made of multi-wall carbon nanotubes and metal-organic frameworks to resist microplastic fouling. The modified membranes showed enhanced performance and greater resistance to clogging by microplastic particles. The study presents a promising approach for improving membrane-based water treatment systems that need to handle microplastic-contaminated wastewater.
Evaluating 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.
Microplastics-resistant FO membranes: Zwitterionic MOF nanoparticles for superior fouling control
Researchers developed a new type of forward osmosis membrane modified with zwitterionic metal-organic framework nanoparticles to resist fouling by microplastics. The modified membranes showed a 73 percent improvement in water-attracting properties and only a 17 percent decline in water flow during fouling tests, compared to 60 percent for unmodified membranes. The technology could improve the efficiency of water treatment systems that need to handle microplastic-contaminated water.
Double-Modified Composite Membranes with Organic Framework Nanoparticles for Nanoplastics Removal: Insights from Density Functional Theory Modeling
Researchers developed a dual-modified composite membrane combining hydrogen-bonded organic framework and metal-organic framework nanoparticles, achieving both high water permeability and strong rejection of nanoplastic particles, outperforming single-modification membranes in water treatment performance.
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.
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.
Defect-engineered metal organic framework thin film nanocomposite membranes for enhanced forward osmosis performance and microplastic antifouling
Researchers engineered a new type of water filtration membrane by embedding specially designed metal-organic framework (MOF) particles into a thin film, achieving a three-fold increase in water flow rate while also becoming significantly more resistant to fouling by microplastics compared to standard membranes. The MOF particles were given controlled structural defects that created additional water transport pathways and made the membrane surface more water-attracting, reducing plastic particle adhesion. More efficient, fouling-resistant membranes could improve the viability of advanced water treatment systems for removing microplastics.
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.
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.
Novel Materials for the Removal of Microplastics and Nanoplastics in Drinking Water Treatment: A Comprehensive Review
This review systematically assessed novel materials—including metal-organic frameworks, bio-based adsorbents, and advanced membranes—for removing microplastics and nanoplastics from drinking water. The authors found that conventional treatment removes as little as 48.4% of particles and that emerging nanomaterial-based approaches can achieve higher efficiencies, though scalability and cost remain barriers.
Double-ModifiedComposite Membranes with Organic FrameworkNanoparticles for Nanoplastics Removal: Insights from Density FunctionalTheory Modeling
Researchers developed a dual-modified composite membrane integrating hydrogen-bonded organic framework nanoparticles into the polysulfone substrate and MIL-101(Cr) metal-organic framework nanoparticles into the polyamide active layer to simultaneously enhance water permeability, nanoplastic removal, and antifouling properties. Density functional theory modelling confirmed the interaction mechanisms between the framework materials and nanoplastic particles, supporting the design rationale.
A review of microplastic removal from water and wastewater by membrane technologies
This review examines how membrane filtration technologies can remove microplastics from drinking water and wastewater. Researchers found that advanced membranes like nanofiltration, reverse osmosis, and membrane bioreactors are among the most effective methods for capturing microplastic particles that conventional treatment plants miss. The study compares membrane approaches with other removal methods and discusses the challenges of membrane fouling caused by microplastic accumulation.
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.
Performance of MOF-containing active layer and HOF-based support layer of ultrafiltration membrane for nanoplastics removal from secondary effluent
Researchers built a novel ultrafiltration membrane using two advanced porous framework materials to filter nanoplastics out of real wastewater treatment plant effluent, successfully identifying and removing poly(methyl methacrylate), polyethylene, and polystyrene nanoparticles. The work addresses a critical gap because conventional wastewater treatment does not reliably remove nanoplastics before treated water is discharged.
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 Materials to Prepare Mixed Matrix Membranes for Pollutant Removal in Water
This review examines how mixed matrix membranes made by embedding functional materials into polymer substrates can be used to remove various water pollutants including microplastics. The study highlights emerging nanomaterials such as metal-organic frameworks and carbon nanotubes that enhance membrane performance, offering a promising approach for advanced wastewater treatment.
Advanced Water Production via Point of Use Super‐Ultralow‐Pressure Reverse Osmosis and Cellulose‐Polyamide Thin‐Film Nanocomposite Membranes
This study developed a new type of reverse osmosis membrane for home water purification that works at unusually low pressure, making it more energy-efficient than conventional systems. The membrane incorporates cellulose nanofibers to improve water flow, salt rejection, and resistance to fouling and chlorine. While the study focuses on membrane engineering rather than microplastics specifically, improved point-of-use filtration technology is relevant to reducing microplastic exposure from drinking water.
Effects of microplastic on submerged nanofiltration for advanced drinking water treatment
Researchers investigated how microplastics in reservoir water affect the performance of submerged nanofiltration membranes used for drinking water treatment. The study found that the presence of polyethylene terephthalate microplastics influenced the removal of dissolved organic matter by the membrane, with implications for optimizing advanced water treatment processes.
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.
Analysis of membrane surface after the filtration of surface water containing microplastic
Researchers tested ultrafiltration and nanofiltration membranes on real river water containing microplastics and found both membrane types completely removed plastic particles from the filtered water, though the deposited microplastics reduced water flow through the membranes over time — confirming membrane filtration as an effective but imperfect water treatment strategy.
Advanced Carbon Nanoparticle-Based Filtration Systems for Water Disinfection and Microplastics Removal
This study proposes a carbon nanoparticle-infused membrane filter (NP-WFS) as a combined solution for removing both microplastics and microbial contaminants from drinking water. Laboratory tests showed the membrane captured microplastic particles and microorganisms, suggesting that nanoparticle-based filtration could offer a practical improvement over conventional water treatment where microplastics currently pass through.
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.
Recent advances on micro/nanoplastic pollution and membrane fouling during water treatment: A review
Researchers reviewed recent advances in understanding how micro- and nanoplastics contribute to membrane fouling during water treatment processes. The study found that while membrane separation effectively removes microplastics from wastewater effluent, fouling caused by plastic particles along with dissolved organics and extracellular polymers remains a key obstacle, and understanding the fouling mechanisms is critical for improving treatment efficiency.
Carbon nanoparticles fabricated microfilm: A potent filter for microplastics debased water
Researchers developed a carbon nanoparticle membrane combined with a PVDF polymer to filter microplastics from water. The nanofilm effectively removed microplastics, reduced microbial contamination, and improved water clarity. The study highlights nanofiltration as a promising low-cost approach for removing microplastics from water, with efficiencies reaching up to 95%.