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61,005 resultsShowing papers similar to Removal of Nanoplastics from Copollutant Systems Using Seaweed Cellulose Nanofibers
ClearBiodegradable sponges made from chitin-cellulose nanofibers for sustainable removal of microplastics from aquatic environment
Researchers developed a biodegradable sponge made from chitin and cellulose nanofibers that can remove up to 93% of microplastics from water. The sponge maintained strong performance after four reuse cycles and naturally biodegraded in soil environments. The study presents a sustainable, eco-friendly approach to cleaning microplastic contamination from aquatic ecosystems without introducing additional persistent pollutants.
Capturing the colloidal microplastics with plant-based nanocellulose networks
Researchers found that nanocellulose—a material derived from plants—can efficiently capture colloidal microplastics and even nanoplastics from water, including particles too small for conventional filters. Plant-based nanocellulose networks could offer a sustainable, biodegradable solution for removing the smallest and most challenging microplastic fractions from water.
Revivable self-assembled supramolecular biomass fibrous framework for efficient microplastic removal
Scientists developed a sustainable material made from chitin and cellulose, two natural compounds, that can efficiently remove multiple types of microplastics from water. The material can be regenerated and reused multiple times without losing effectiveness, making it a practical tool for water cleanup. This type of affordable, eco-friendly filtration technology could help reduce human exposure to microplastics in drinking water.
Cellulose nanofibril-loaded filter paper for highly efficient removal of microplastics via multiscale capture mechanisms
Researchers fabricated a cellulose nanofibril-loaded filter paper composite and found it achieved over 93% removal efficiency for polystyrene, polypropylene, and PET microplastics through a combination of physical interception, electrostatic interactions, and hydrogen bonding.
Polydopamine-modified sodium alginate hydrogel for microplastics removal: Adsorption performance, characteristics, and kinetics
Scientists created a hydrogel made from seaweed-based sodium alginate coated with polydopamine that can remove up to 99.6% of microplastics from drinking water. The hydrogel works regardless of the microplastics' size or surface charge, and it can be reused multiple times, making it a promising low-cost tool for reducing microplastic exposure through tap water.
Efficient, quick, and low-carbon removal mechanism of microplastics based on integrated gel coagulation-spontaneous flotation process
Researchers developed a new gel-based coagulation and flotation method for removing microplastics from water using a natural seaweed-derived crosslinker. The process achieved high removal rates quickly while using significantly less energy than traditional coagulation-flotation approaches. The study offers a more efficient and lower-carbon approach to water treatment that could help address microplastic contamination in drinking water and wastewater systems.
Potential of Nanocellulose for Microplastic removal: Perspective and challenges
Researchers reviewed how nanocellulose — tiny fibers derived from plant cell walls — can capture and remove microplastics from water through its large surface area and adaptable chemistry, positioning it as a promising, naturally biodegradable filter material. While early results are encouraging, further research is needed to optimize how nanocellulose works at scale in real drinking water and wastewater treatment systems.
Capturing colloidal nano- and microplastics with plant-based nanocellulose networks
Researchers developed a plant-based nanocellulose network that can capture even the smallest nanoplastic particles from water. The material works primarily through its moisture-absorbing properties, which are enhanced by the extremely high surface area of nanocellulose fibers. This technology could enable both better measurement of nanoplastic contamination in water and practical on-site collection of these hard-to-capture particles.
Enhanced removal of polyethylene microplastics from water through polymeric ferric sulfate with laminarin
Researchers developed an enhanced coagulation technique using polymeric ferric sulfate combined with laminarin, a seaweed-derived compound, to remove polyethylene microplastics from water. The combined approach achieved a 93.8% removal rate compared to only 48.5% with the coagulant alone, by significantly boosting charge neutralization and adsorption bridging mechanisms. The study demonstrates that natural coagulant aids can substantially improve the effectiveness of microplastic removal during water treatment.
Adsorption and removal of polystyrene nanoplastics from water by green-engineered clays
Scientists developed green clay materials made from natural chlorophyll and montmorillonite that can effectively bind and remove polystyrene nanoplastics from drinking water. The materials showed high binding capacity and significantly reduced nanoplastic toxicity in lab organisms. This research is promising for water treatment because it offers an eco-friendly way to reduce human exposure to nanoplastics through contaminated drinking water.
Efficient removal of nano- and micro- sized plastics using a starch-based coagulant in conjunction with polysilicic acid
Researchers found that combining a starch-based coagulant with polysilicic acid efficiently removes nano- and micro-sized polystyrene particles from water, offering an eco-friendly coagulation approach for addressing microplastic pollution in water treatment applications.
Aerogels Fabricated from Wood-Derived Functional Cellulose Nanofibrils for Highly Efficient Separation of Microplastics
Researchers developed aerogel filters from chemically modified wood-derived cellulose nanofibrils that achieved up to 100% efficiency in removing polystyrene microplastics from water. The aerogels captured microplastics through a combination of physical entrapment, electrostatic interaction, and hydrogen bonding, and maintained their effectiveness over eight filtration cycles. The study demonstrates a promising green technology using sustainable materials for addressing microplastic pollution in aquatic environments.
Removal of microplastics from water by coagulation of cationic-modified starch: An environmentally friendly solution
Researchers developed a cationic-modified starch bio-coagulant as an eco-friendly method for removing microplastics from water, achieving an average removal rate of over 65% for polystyrene particles. The starch-based treatment was effective across a wide range of water pH levels and performed well in natural water samples from China's Yangtze River Delta. The study offers a sustainable and cost-effective approach for addressing microplastic contamination in water systems.
Adsorbing nanoplastics through high-resilience lignin–polyurethane foam
Researchers developed a lignin-infused polyurethane foam that removes nanoplastics from water using two mechanisms: physical trapping in the foam's pores and chemical bonding between the plastic particles and lignin's molecular structure. This offers a promising, plant-derived approach to filtering tiny plastic particles from contaminated water. As nanoplastics are increasingly found in drinking water sources and human tissue, materials that can capture them efficiently are an important part of the solution.
A membrane cascade for size-based separation and concentration of nanoplastics in environmental waters
Researchers developed a cascade system of membrane filters that can separate and concentrate nanoplastics from environmental water samples by size. They demonstrated that the system effectively isolates nanoplastic particles while tracking recovery rates using fluorescent markers. The technology addresses a major challenge in nanoplastic research by providing a reliable method to extract these extremely small particles from water for accurate measurement and analysis.
Removal of nanoplastics in water treatment processes: A review
This review examines technologies for removing nanoplastics from water, noting that conventional treatment processes effective for larger plastics often fail to capture these tiny particles. Researchers evaluated emerging methods including microbial degradation, membrane filtration, and photocatalysis, finding that combined approaches offer the best removal rates. The study highlights that more research is needed to develop practical, large-scale solutions for nanoplastic contamination in drinking water and wastewater.
Removal of Plastics from Micron Size to Nanoscale Using Wood Filter
This study demonstrated that porous wood filters can effectively remove both microplastics and nanoplastics from water, offering a low-cost, biodegradable alternative to conventional filtration materials.
Mechanism of nanoplastics capture by jellyfish mucin and its potential as a sustainable water treatment technology
Researchers investigated how jellyfish mucus from Aurelia sp. captures nanoplastics and compared its efficiency to conventional water treatment coagulants. The study found that jellyfish mucin effectively captures polystyrene and acrylic nanoplastics from wastewater treatment plant effluent, suggesting it could serve as a sustainable, bio-based technology for removing nanoplastic contamination from water.
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.
Developing an Efficient Model for Microplastic Removal in Wastewater: Integrating Advanced Filtration, Nanotechnology, and Bioremediation
Researchers developed an integrated model for microplastic removal from wastewater combining bio-based filtration with chitosan and alginate beads, carbon nanotube nanotechnology, and bioremediation techniques. The study suggests that this synergistic approach addresses key limitations of conventional treatment methods, including insufficient removal efficiency, low adsorption capacity, and inadequate selectivity for different microplastic types.
Microplastic removal from wastewater through biopolymer and nanocellulose-based green technologies
Biopolymer-based coagulation and flocculation agents were shown to effectively remove microplastics from wastewater, offering a more sustainable alternative to synthetic chemical flocculants. The approach supports eco-friendly microplastic treatment that avoids adding further chemical pollutants to effluents.
Strategies for the Remediation of Micro- and Nanoplastics from Contaminated Food and Water: Advancements and Challenges
This review summarizes existing research on methods for removing micro- and nanoplastics from contaminated food and water, including filtration, chemical treatment, and biological approaches using microorganisms. While several promising techniques exist, the complexity of real-world plastic pollution makes it difficult to scale these solutions, and more cross-disciplinary research is needed to protect food and water safety.
Direct filtration of microfibre-containing wastewater using nanofibre membranes: combined effects of mode of filtration and type of microfibre
Scientists tested how tiny plastic fibers from clothes and textiles affect water treatment systems that remove these pollutants from wastewater. They found that different types of plastic fibers either help or hurt the cleaning process depending on the material and how the water flows through filters. This research is important because it could help improve systems that remove microplastics from our water supply before they reach rivers, oceans, and potentially our drinking water.
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%.