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Papers
61,005 resultsShowing papers similar to Efficient and Selective Removal of Heavy Metals and Dyes from Aqueous Solutions Using Guipi Residue-Based Hydrogel
ClearSynthesis of recyclable and light-weight graphene oxide/chitosan/genipin sponges for the adsorption of diclofenac, triclosan, and microplastics
Researchers created a lightweight, recyclable sponge made from graphene oxide, chitosan, and genipin that can effectively remove microplastics and pharmaceutical contaminants from water. The sponge maintained its effectiveness through multiple reuse cycles, making it a practical and affordable water treatment option. This type of technology could help reduce human exposure to microplastics and other harmful substances in drinking water.
Polyoxometalate nanocluster-infused triple IPN hydrogels for excellent microplastic removal from contaminated water: detection, photodegradation, and upcycling
Researchers developed a specialized hydrogel infused with copper-based nanoclusters to remove microplastics from contaminated water. The study found that the hydrogel could both adsorb and photodegrade microplastic particles under various conditions simulating real-world water environments. This scalable approach suggests a promising new strategy for tackling microplastic pollution in water bodies.
Nature-derived hydrogel for microplastic removal
Scientists developed a nature-based hydrogel made from chitin and lignin that can remove nanoplastics from wastewater with very high efficiency, absorbing up to 1,791 milligrams of plastic per gram of material. This sustainable, reusable filter could help reduce the amount of tiny plastic particles that reach drinking water and ultimately the human body.
The use of chitosan for water purification from microplastics
Researchers investigated chitosan as a sorbent for removing microplastics from water, analyzing its physicochemical properties and proposing an optimized purification method based on chitosan's sorption characteristics.
Flocculation Properties of Acrylamide‐Grafted Tamarind Polysaccharide on Microplastics and Heavy Metals Ions
Researchers created a modified polysaccharide derived from tamarind — a natural plant material — that acts as an effective flocculant, clumping together PVC microplastics and lead ions from water so they can be removed. Under optimized conditions, the material removed over 91% of PVC microplastics and over 93% of lead ions, with even better performance when both contaminants were present together. This bio-based flocculant offers a sustainable option for treating water contaminated with both microplastics and heavy metals simultaneously.
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.
Utilization of chitosan as a natural coagulant for polyethylene microplastic removal
Scientists tested chitosan, a natural material derived from shellfish, as an eco-friendly way to remove polyethylene microplastics from water. Under the best conditions (pH 6.0 with 100 mg/L of chitosan), the treatment removed 81.5% of microplastics, offering a promising and environmentally safe approach to cleaning microplastic-contaminated water.
Preparation of a novel reusable 2D-MXene with flower-like LDH composite for ultra-high adsorption of congo red and doxycycline: Stability and environmental application
Scientists created a new recyclable material combining MXene and layered double hydroxides that can remove over 98% of certain pollutants from wastewater. While this study focused on dye and antibiotic removal rather than microplastics directly, the same type of advanced filtration technology could be adapted to help remove micro- and nanoplastic contaminants from water supplies.
Chitosan: A Novel Approach and Sustainable Way to Remove Contaminants and Treat Wastewater
This review examines how chitosan, a natural material derived from crustacean shells, can be used to remove pollutants including microplastics, heavy metals, and pesticides from wastewater. Chitosan's chemical structure allows it to bind and capture a wide range of contaminants, and it can be combined with other materials to improve its effectiveness. Developing affordable, biodegradable water treatment materials like chitosan could help reduce human exposure to microplastics in drinking water.
Polysaccharide nanocomposites in wastewater treatment: A review
This review covers how natural sugar-based polymers (polysaccharides) combined with nanoparticles can be used to clean contaminated water, removing pollutants including heavy metals, dyes, and pharmaceutical residues. While not focused on microplastics specifically, these eco-friendly materials could potentially be adapted to filter microplastics from water as well. The technology is relevant because it offers sustainable alternatives to conventional water treatment methods that struggle with emerging contaminants.
Green Synthesis and Characterization of Fe-Ti Mixed Nanoparticles for Enhanced Lead Removal from Aqueous Solutions
Researchers developed iron-titanium mixed oxide nanoparticles using an environmentally friendly synthesis method and tested their ability to remove lead from water. The nanoparticles achieved up to 98.1% lead removal efficiency and could be regenerated and reused for multiple treatment cycles. While not directly about microplastics, this green nanotechnology approach addresses the broader challenge of removing persistent contaminants from water.
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.
Multifunctional sodium alginate/chitosan-modified graphene oxide reinforced membrane for simultaneous removal of nanoplastics, emulsified oil, and dyes in water
Researchers developed a bioinspired three-layer membrane using sodium alginate, graphene oxide, and chitosan that removed over 99% of nanoplastics, emulsified oil, and dyes from water simultaneously, with excellent stability in extreme pH conditions and good recyclability.
Biodegradable taro stem cellulose aerogel: A simple approach for adsorbing microplastics and dyestuffs contaminants
Scientists created a biodegradable aerogel from waste taro stems that can effectively absorb both microplastics and dye pollutants from water. The material maintained strong performance across different water conditions and could be reused for at least five cycles, offering a green solution for removing multiple contaminants from water simultaneously.
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.
Coagulative removal of microplastics from aqueous matrices: Recent progresses and future perspectives
This review examines how coagulation, a common water treatment technique, can be used to remove microplastics from water. Researchers compared the effectiveness of different coagulants, finding that natural options like chitosan and protein-based coagulants achieved removal rates above 90 percent. The study highlights the promise of natural coagulants as a more sustainable approach to tackling microplastic contamination in water treatment systems.
Hypercrosslinked waste polycarbonate to remove heavy metal contaminants from wastewater
Researchers chemically modified waste polycarbonate plastic using a process called hypercrosslinking, turning it into a resin capable of efficiently removing lead and cadmium ions from contaminated water. The material achieved removal capacities around 160 mg per gram for both toxic metals, demonstrating that plastic waste can be repurposed as a tool for cleaning up heavy metal pollution.
Dialdehyde modified and cationic aerogel for efficient microplastics adsorption from environmental waters
Scientists developed a plant-based aerogel material that can efficiently absorb microplastics from water, achieving removal rates above 90% across a wide range of water conditions. The material maintained its effectiveness after eight reuse cycles, making it a practical and eco-friendly solution. This type of technology could help reduce microplastic levels in rivers, lakes, and reservoirs that supply drinking water.
Innovative prototype for the mitigation of water pollution from microplastics to safeguard the environment and health
Researchers developed an innovative prototype device for removing microplastics from water through a combination of filtration and electrocoagulation, demonstrating high MP removal efficiency from both synthetic and real water samples in controlled trials.
Efficient removal of polystyrene microplastics from seawater using a chitosan-activated carbon nanocomposite: Preparation of the adsorbent and optimisation of removal methods
Scientists created a new material that can remove up to 99% of tiny plastic particles (called microplastics) from seawater by mixing two natural substances - chitosan (from shellfish) and activated carbon. This filtering material can be cleaned and reused at least five times, making it a promising tool for removing plastic pollution from our oceans. Since microplastics can enter our food chain through seafood and sea salt, better ways to clean them from seawater could help protect human health.
[Research Advances in Removal Efficiency and Mechanism of Microplastics in Drinking Water Treatment Plants].
This Chinese-language review examined removal mechanisms and efficiency of microplastics in drinking water treatment systems, covering coagulation, filtration, and advanced treatment processes. It provided guidance on optimizing treatment plant operations to address microplastic contamination.
Development and evaluation of a water treatment system for the removal of microplastics in an aqueous medium.
Researchers developed and evaluated a water treatment system for removing microplastics from aqueous media, addressing the urgent environmental concern of microplastic contamination in rivers, seas, and oceans and assessing the system's effectiveness as a promising water purification technology.
Synthesis of polyvinyl chloride modified magnetic hydrochar for effective removal of Pb(II) and bisphenol A from aqueous phase: performance and mechanism exploration
Scientists created a new material by combining PVC plastic waste with corn straw and iron oxide to make a magnetic filter that can remove lead and bisphenol A from water. The material worked well across a wide range of water conditions and could be reused multiple times. While focused on water cleanup technology, this research shows how recycled plastic waste can be repurposed to help address water contamination, including pollutants often associated with microplastics.
Chitosan‐assisted magnetic coconut shell biochar for polystyrene microplastic removal: Mechanism and reusability
Researchers created a recyclable magnetic biochar material from coconut shells, modified with chitosan, that removed up to 91% of polystyrene microplastics from water. The material maintained its effectiveness through five consecutive reuse cycles, and water treated with the biochar actually promoted better plant growth, demonstrating practical potential for environmental cleanup.