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61,005 resultsShowing papers similar to Lignin/Poly(vinyl alcohol) Hydrogel for Detecting and Effectively Removing Microplastics
ClearLignin/Poly(vinylalcohol) Hydrogel for Detectingand Effectively Removing Microplastics
Researchers synthesized a biobased lignin/poly(vinyl alcohol) hydrogel from aminated bamboo-derived lignin and demonstrated its ability to detect and adsorb polystyrene microplastics, achieving a maximum adsorption capacity of 288.6 mg per gram following pseudo-second-order kinetics and Langmuir isotherm behavior. The hydrogel retained 87.64 percent of its adsorption efficiency after five regeneration cycles, demonstrating its potential as a reusable, sustainable adsorbent for microplastic removal from water.
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.
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.
Lignin-based activated carbon as an effective adsorbent for the removal of polystyrene nanoplastics: Insights from adsorption kinetics and equilibrium studies
Scientists created activated carbon filters from lignin, a natural plant material, that effectively removed polystyrene nanoplastics from water. The filters worked through a combination of physical trapping in tiny pores and chemical interactions between the carbon surface and plastic particles. This research demonstrates a sustainable approach to filtering the smallest and most harmful plastic particles from water, potentially reducing human exposure through drinking water.
Lignin Utilization for the Removal of Microplastic Particles from Water
Lignin extracted from agricultural waste and municipal solid waste was tested as an adsorbent for removing various types of microplastics from wastewater, showing promising results. Using lignin — a widely available and renewable byproduct — for microplastic removal could offer a low-cost, sustainable approach to improving wastewater treatment.
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.
Scalable Bamboo Fiber/Microfibrillated Cellulose Foam via Solvent‐Exchange‐Assisted Ambient Drying for Highly Efficient Microplastics Capture
Researchers developed a scalable bamboo fiber and microfibrillated cellulose foam for capturing microplastics from water, achieving 99.4% filtration efficiency with high flow rates. The foam was fabricated using an energy-efficient ambient drying process without toxic crosslinkers, and demonstrated excellent reusability and effectiveness across various plastic types and real water samples. The study presents a sustainable, high-performance approach to microplastic remediation in aquatic environments.
Lignin derived hydrophobic deep eutectic solvents for the extraction of nanoplastics from water
Researchers synthesized lignin-based hydrophobic deep eutectic solvents (environmentally friendly liquid mixtures) and demonstrated they can extract both polystyrene and PET nanoplastics from water with over 95% efficiency, offering a sustainable approach to nanoplastic detection and removal that avoids conventional synthetic solvents.
Protocol for the removal of polyvinyl chloride microplastics from water using activated jute stick charcoal
Researchers developed a protocol for removing polyvinyl chloride microplastics from aquatic environments using jute stick activated charcoal (JSAC) as a biosorbent, describing the pyrolysis and HCl activation procedure, post-functionalization steps, and MP collection and measurement methods.
Hybrid Chitin-Coffee Ground Biochar Foam for Microplastic Adsorption
Researchers developed a sustainable hybrid foam made from waste seafood chitin and used coffee ground biochar for filtering microplastics from water. The study found that the foam achieved consistently high adsorption efficiency across seawater, river water, and deionized water, particularly for polystyrene microspheres larger than 1 micrometer, offering an eco-friendly approach to microplastic removal.
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.
Lignin-driven valorization of lignocellulosic biomass to functional biochar for advanced wastewater remediation: A review
A study explored how lignin-derived materials from lignocellulosic biomass can be valorized into functional products as a sustainable alternative to petroleum-based plastics. Expanding bio-based alternatives is a key strategy for reducing the production of plastics that eventually become environmental microplastic pollutants.
Removal of microplastics from aqueous media using activated jute stick charcoal
Researchers developed an eco-friendly method for removing microplastics from water using activated charcoal made from jute sticks. The material achieved over 94 percent removal efficiency for PVC microplastics under optimized conditions, driven by electrostatic and hydrophobic interactions. The study introduces a low-cost, sustainable adsorbent that could be practical for water treatment in regions where jute is abundantly available.
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.
A Novel Method For Microplastic Removal From Wastewater
Researchers developed a material using PAMAM dendrimers — highly branched molecules with many attachment sites — that effectively captures and holds microplastics from contaminated water. The approach showed promise as an economical water treatment solution for removing microplastic pollution from drinking and agricultural water supplies.
Investigating the efficiency of oak powder as a new natural coagulant for eliminating polystyrene microplastics from aqueous solutions
Oak powder was evaluated as a natural coagulant for removing polystyrene microplastics from water using Box-Behnken experimental design, demonstrating its feasibility as an inexpensive, eco-friendly coagulation agent.
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.
A novel polymer coated magnetic activated biochar-zeolite composite for adsorption of polystyrene microplastics: Synthesis, characterization, adsorption and regeneration performance
Researchers developed a new magnetic composite material made from biochar, zeolite, and polymer coatings that can effectively capture microplastics from water. The material removed over 90 percent of test microplastics and could be regenerated and reused multiple times. The study presents a promising, practical approach for filtering microplastics out of contaminated water using materials that can be magnetically recovered.
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.
Biosorption of sub-micron-sized polystyrene microplastics using bacterial biofilms
Researchers found that bacterial biofilms, particularly from Acinetobacter species, can effectively remove sub-micron-sized polystyrene microplastics through biosorption, suggesting biofilm-based approaches as a potential biological method for microplastic remediation in aquatic environments.
Effective Removal of Microplastic Particles from Wastewater Using Hydrophobic Bio-Substrates
Researchers tested natural cattail plant fibers as a low-cost, biodegradable material for removing microplastics from wastewater. The hydrophobic fibers were effective at adsorbing microplastic particles, with removal efficiency influenced by water chemistry and contact time. The study suggests that plant-based bio-adsorbents could offer a sustainable and affordable alternative for filtering microplastics from water treatment systems.
The suitability and mechanism of polyaluminum-titanium chloride composite coagulant (PATC) for polystyrene microplastic removal: Structural characterization and theoretical calculation
Researchers developed a new coagulant (a chemical that clumps particles together for removal) that effectively removes polystyrene microplastics from water. The composite coagulant worked better than standard water treatment chemicals across a wider range of water conditions, using hydrogen bonding to capture the plastic particles. This technology could improve drinking water treatment plants' ability to filter out microplastics before water reaches consumers.
Phenolic-modified cationic polymers as coagulants for microplastic removal
Researchers developed phenolic-modified cationic polymer coagulants inspired by natural metal-phenolic coordination chemistry, achieving over 90% removal of polystyrene microplastics from water. The surface modification approach simplified the two-step coagulation process and expanded the range of effective coagulant materials.
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.