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Papers
61,005 resultsShowing papers similar to Construction of porous sodium alginate/TEMPO-oxidized cellulose composite aerogel for efficient adsorption of crystal violet dye in wastewater
ClearCellulose aerogels in water pollution treatment: Preparation, applications and mechanism
This review explores how cellulose aerogels, derived from the most abundant natural polymer on Earth, can be used to treat water pollution including microplastic contamination. Researchers found that these biodegradable materials offer a promising sustainable alternative for water treatment due to their unique porous structure, high surface area, and ease of functionalization.
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.
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.
A layer-by-layer assembled superhydrophobic composite aerogel for rapid and high-capacity removal of microplastics from beverages
A superhydrophobic composite aerogel was synthesized using a layer-by-layer strategy combining an "egg-box" cellulose nanofiber network with silicone polymers, achieving an impressive polystyrene microplastic adsorption capacity of 555.5 mg/g within 100 minutes—driven primarily by hydrophobic interactions—and demonstrating high stability and reusability for microplastic removal from beverages.
Synergistic Microplastics Capture and Bacterial Inhibition by a Cationic COF‐Reinforced Chitosan/Tannic Acid Aerogel
Researchers developed a cationic covalent organic framework aerogel made from chitosan and tannic acid that effectively captures microplastics from water while also inhibiting bacteria. The study suggests this low-cost, monolithic aerogel overcomes the limitations of powdered materials and offers a practical, convenient approach for microplastic removal from contaminated water.
Preparation of a Novel Lignocellulose-Based Aerogel by Partially Dissolving Medulla Tetrapanacis via Ionic Liquid
This paper is not about microplastics — it describes the preparation and properties of a lignocellulosic aerogel derived from Medulla Tetrapanacis for adsorbing the dye methylene blue from water.
Cellulose-Based Aerogels for Environmentally Sustainable Applications: A Review of the Production, Modification, and Sorption of Environmental Contaminants
This review explores how aerogels made from cellulose, a natural plant-based material, can be used to filter pollutants including microplastics from water and soil. While cellulose aerogels are promising because they are biodegradable and come from renewable sources, they need chemical modifications to work effectively in water treatment applications.
The Role of Biocomposites and Nanocomposites in Eliminating Organic Contaminants from Effluents
Not relevant to microplastics — this review evaluates biocomposite and nanocomposite sorbents for removing heavy metals, dyes, and hydrocarbons from industrial wastewater, comparing adsorption mechanisms and recyclability.
Rapid adsorption of directional cellulose nanofibers/3-glycidoxypropyltrimethoxysilane/polyethyleneimine aerogels on microplastics in water
Researchers developed a cellulose nanofiber aerogel modified with polyethyleneimine for rapidly adsorbing microplastics from water. The study found that the aerogel reached adsorption equilibrium within just 20 minutes and followed established kinetic and isotherm models. These findings suggest that modified cellulose-based aerogels could serve as effective, green materials for removing microplastic contamination from water bodies.
Emerging Porous Materials for Adsorptive Removal of Microplastics and Nanoplastics from Aquatic Environments: A Review
This review summarizes recent advances in using porous materials, including sponges, aerogels, hydrogels, metal-organic frameworks, and carbon-based adsorbents, to remove microplastics and nanoplastics from water. Researchers found that adsorption using these materials is a promising, cost-effective approach that outperforms conventional water treatment methods for plastic particle removal. The study identifies key challenges and future research directions for developing practical adsorbents for real-world plastic pollution mitigation.
Graphene oxide structure-oriented NM88B/GO/SA aerogel for highly efficient degradation of dye and antibiotic wastewater
This study developed an iron-based metal-organic framework aerogel for photocatalytic degradation of dyes and antibiotics in wastewater. Wastewater treatment improvements are essential for reducing the discharge of microplastics and co-pollutants like dyes and antibiotics into waterways.
Red mud/PVC composite as an efficient adsorbent for malachite green removal in fixed-bed column
Despite its title referencing a red mud/PVC composite adsorbent, this paper studies the removal of a toxic industrial dye (Malachite Green) from wastewater using a material that combines industrial waste with plastic — not microplastic pollution. It examines adsorption performance in a continuous flow system and is not relevant to microplastics or human health.
Recent advances in magnetic sodium alginate-based composites as the emerging adsorbents for wastewater treatment: A review
This review examines recent advances in magnetic sodium alginate-based composite materials as adsorbents for water contaminant removal, evaluating their effectiveness for removing heavy metals, dyes, pharmaceuticals, and microplastics from aqueous systems.
rGO/BC nanocomposite aerogels exhibit recyclable adsorption of organic solvents and oils with enhanced flame resistance
Despite its title referencing aerogels for adsorption, this paper studies nanocomposite materials made from bacterial cellulose and graphene oxide for absorbing organic solvents and oils — not microplastic pollution. It examines how these recyclable aerogels can soak up industrial liquids like dichloromethane and pump oil and is not relevant to microplastics or human health.
High-performance amino-crosslinked phosphorylated microcrystalline cellulose/MoS2 hybrid aerogel for polystyrene nanoplastics removal from aqueous environments
Researchers fabricated a porous aerogel from phosphorylated cellulose and molybdenum disulfide nanosheets functionalized with polyethyleneimine and showed it removes carboxyl-modified polystyrene nanoplastics from water with an adsorption capacity of 402 mg/g, maintaining performance across a range of water chemistries and remaining reusable after multiple cycles.
Coral-inspired environmental durability aerogels for micron-size plastic particles removal in the aquatic environment
Researchers developed a coral-inspired polydopamine-enhanced magnetic cellulose aerogel for removing micron-sized microplastic particles from water, mimicking corals' active adsorption and passive adhesion mechanisms to achieve effective microplastic capture.
Biowaste derived sustainable carbon aerogels/polyvinylidene fluoride composites for effective removal of organic pollutants/oils
Researchers created carbon aerogel composites from biological waste combined with a fluorinated polymer to remove oil spills and organic pollutants from water. The sustainable, low-cost material showed strong performance for environmental cleanup applications, including potential use in addressing plastic-associated contamination.
Efficient microplastics adsorption in aqueous environments via bidirectional ordered graphene oxide/nanocellulose aerogels
Researchers developed a new material made from graphene oxide and nanocellulose that can effectively remove microplastics from water. The aerogel absorbed up to 241 milligrams of microplastics per gram of material and maintained over 80% efficiency after 20 reuse cycles. This kind of reusable filter technology could help reduce the amount of microplastics reaching drinking water sources and the food chain.
Degradable quaternary ammonium salt-modified rice straw cellulose/chitosan composite aerogel for high-efficiency microplastic adsorption
Researchers created a quaternary ammonium salt-modified cellulose/chitosan composite aerogel from discarded rice straw and tested it for microplastic adsorption, achieving high removal efficiency and capacity while using a waste-based feedstock to address an emerging pollution problem.
Fabrication and Characterization of Biomass-derived Superabsorbent Bio-gel
Not relevant to microplastics — this paper develops and tests bio-based superabsorbent gels made from carboxymethyl cellulose as sustainable alternatives to petroleum-based superabsorbent polymers for water retention applications.
Biobased Composite Aerogels for Efficient Flow-Through Capture of Nanoplastics via Multimodal Interfacial Interactions
Scientists created a new sponge-like filter made from natural materials that can remove nearly 100% of tiny plastic particles from water. These nanoplastics are so small they're invisible to the naked eye but pose potential health risks when they get into drinking water. The filter works efficiently with very little energy, offering a promising way to clean up water contaminated with plastic pollution.
Development and characterization of a carboxymethyl cellulose-alginate hybrid superabsorbent hydrogel designed for water management in agriculture
Researchers formulated a carboxymethyl cellulose and sodium alginate hydrogel for agricultural water retention, optimizing it to absorb over 1,600 times its weight in water while remaining thermally stable and reusable — offering a bio-based alternative to synthetic superabsorbent polymers that contribute to microplastic pollution in farmland soils.
Preparation of a Series of Highly Efficient Porous Adsorbent PGMA-N Molecules and Its Application in the Co-Removal of Cu(II) and Sulfamethoxazole from Water
This paper is not about microplastics; it describes a porous polymer adsorbent material (PGMA-N) designed to simultaneously remove copper ions and the antibiotic sulfamethoxazole from water.
Formation of calcium alginate hydrogel by freezing and its application for microplastic capture
Researchers developed a calcium alginate hydrogel formed by freeze-thaw processing and evaluated its application as an adsorbent for capturing microplastics from water.