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61,005 resultsShowing papers similar to Development of crosslinked polyvinyl alcohol nanofibrous membrane for microplastic removal from water
ClearDesigning poly(vinylidene fluoride) membranes with narrow pore size distribution for microplastics removal from water
Scientists developed an improved method for making water filtration membranes with very uniform pore sizes, specifically designed to capture tiny microplastic particles. Using a common polymer (PVDF) and a straightforward manufacturing process, the membranes achieved over 97 percent removal of microplastic particles as small as 500 nanometers. The study suggests this approach could offer a practical and scalable solution for filtering microplastics from drinking water and wastewater.
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%.
Cover Image, Volume 141, Issue 22
This cover image accompanies a research article on the development of a crosslinked polyvinyl alcohol nanofibrous membrane designed for microplastic removal from water, highlighting the membrane's structure and filtration application.
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.
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.
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.
Superhydrophilic adsorptive nanofiber membranes for ultrafast and highly-efficient waterborne nanoplastic removal
Researchers engineered a superhydrophilic nanofiber membrane by cross-linking polyethylene oxide into a polylactic acid polymer network, achieving greater than 99.99% separation efficiency for nanoplastics larger than 150 nm through combined hydrophobic and pi-pi molecular interactions, with water permeance 53 times higher than conventional membranes under gravity-driven flow.
Microplastic removal across ten drinking water treatment facilities and distribution systems
Researchers characterized microplastic removal across ten drinking water treatment facilities and found that conventional municipal treatment achieved greater than 97.5% removal, primarily through granular media filtration or ultrafiltration. Untreated source waters contained between approximately 1,200 and 7,200 microplastic particles per liter, with polypropylene, polyethylene, and polyamide being the most common types. The findings provide valuable data on microplastic exposure through drinking water and the effectiveness of existing treatment processes.
Contamination and Removal Efficiency of Microplastics and Synthetic Fibres in a Conventional Drinking Water Treatment Plant
Researchers found that a conventional drinking water treatment plant in Geneva removed the majority of microplastics from raw water, with coagulation and sand filtration contributing most to removal, though some particles persisted through to finished drinking water.
Development of a hybrid filter media for microplastic removal from wastewater
Researchers developed hybrid glass fiber filter media incorporating glass and electrospun polymer nanofibers—both blended into the matrix and applied as surface layers—to improve microplastic removal efficiency from wastewater compared to standard filtration media.
[Research Progress on Removal of Microplastics by Filtration in Drinking Water Treatment].
This review examines how media filtration at drinking water treatment plants removes microplastics, evaluating filter types, operating conditions, and removal efficiencies reported in the literature. It identifies filtration as a scalable, cost-effective barrier for MP removal and discusses optimisation strategies to improve performance.
Evaluation of membranes performance for microplastic removal in a simple and low-cost filtration system
Researchers tested three types of filter membranes (polycarbonate, cellulose acetate, and PTFE) for removing microplastics from water in a simple low-cost household system, finding all achieved over 94% removal by mass but that some plastic particles broke into smaller pieces during filtration. Cellulose acetate membranes performed best for long-term home use, offering a practical approach for reducing microplastic exposure from tap water.
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.
Microplastic occurrence after conventional and nanofiltration processes at drinking water treatment plants: Preliminary results
Researchers detected microplastics in source river water and finished drinking water at three treatment plants in the Paris region, finding that standard treatment steps including coagulation-flocculation and sand filtration reduced but did not eliminate MPs. Nanofiltration achieved higher removal rates, suggesting advanced filtration is needed for near-complete MP removal from drinking water.
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.
Removal efficiency of micro- and nanoplastics (180 nm–125 μm) during drinking water treatment
Researchers tested how effectively standard drinking water treatment processes remove micro- and nanoplastics ranging from 180 nanometers to 125 micrometers. They found that coagulation and sedimentation alone removed less than 2% of plastic particles, while granular filtration was far more effective, achieving 87% to nearly 100% removal depending on particle size. The study also found that biofilm formation on microplastics significantly improved their removal during coagulation treatment.
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.
Efficient removal of microplastics through a combined treatment process: Pre-filtration and adsorption
A combined treatment process integrating coagulation, sedimentation, and filtration achieved efficient removal of microplastics from drinking water. The study supports the feasibility of adapting existing water treatment infrastructure to address microplastic contamination.
Rapid removal of small particle-sized microplastics utilizing superhydrophobic wood membranes
Researchers developed a superhydrophobic wood membrane that achieves 99.6% removal efficiency for microplastics smaller than 10 micrometers. The membrane, created by treating wood with methyltrichlorosilane, maintained its performance across varying water flow rates and demonstrated excellent reusability and environmental friendliness. The study offers a practical and sustainable filtration solution for removing the smallest and most difficult-to-capture microplastics from water.
Microplastic Removal in Krueng Aceh River Water Using Ultrafiltration Membrane from Polyethersulfone Polymer (PES)
This study tested polyethersulfone ultrafiltration membranes for removing microplastics from river water used as a drinking water source in Indonesia. The membranes showed effective removal, suggesting that membrane filtration is a viable treatment approach for microplastic-contaminated water supplies.
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.
Occurrence and removal of microplastics by advanced and conventional drinking water treatment facilities
Researchers evaluated the performance of both advanced and conventional drinking water treatment processes for removing microplastics, finding that advanced methods such as ultrafiltration substantially outperform standard coagulation and filtration. Most conventional treatment plants leave a meaningful fraction of microplastics in finished drinking water.
Membrane processes as a highly effective and eco-friendly technology for treating municipal water contaminated with micro- and nanoplastics.
Researchers evaluated membrane filtration as an environmentally friendly technology for removing micro- and nanoplastics from water, testing different membrane types and pore sizes. Membrane processes showed high removal efficiency for microplastics and outperformed conventional water treatment steps for the smallest particles.
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.