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Papers
61,005 resultsShowing papers similar to Addressing plastic pollution: A 3D-printed porous PAC scaffold for effective nanoplastic removal
ClearSustainable Adsorption of Polystyrene Microplastics in Aqueous Media Using PET-C Synthesized from Plastic Waste: DFT and Experimental Studies
Researchers converted PET plastic waste into activated carbon (PET-C) via direct carbonisation and KOH activation, then tested it for adsorbing polystyrene microplastics. PET-C achieved a maximum adsorption capacity of 139.57 mg/g via monolayer chemical adsorption, demonstrating a circular approach to using plastic waste to remove plastic pollution.
Removal of nanoplastics from aquatic environments using graphene oxide/chitosan sponges
Researchers developed a three-dimensional porous graphene oxide/chitosan sponge with an average pore size of 21.67 µm and evaluated its effectiveness in removing polystyrene nanoplastics (31.1 nm diameter) from aqueous solutions.
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.
Carbon-based adsorbents for micro/nano-plastics removal: current advances and perspectives
Scientists reviewed how carbon-based materials like graphene, activated carbon, and carbon nanotubes can be used to remove micro- and nanoplastics from water. Researchers found that these adsorbents show strong potential for capturing tiny plastic particles thanks to their tunable surface properties and high surface area. The study suggests that carbon-based filtration could become an important technology for cleaning microplastic-contaminated water.
Removal of polystyrene nanoplastics from water by Cu Ni carbon material: The role of adsorption
Researchers developed a copper-nickel carbon material that removed up to 99.18% of polystyrene nanoplastics from water through physical adsorption, with the recyclable material maintaining approximately 75% removal efficiency after four reuse cycles.
3D-printed, flow-through water filters for microplastic capture: The effect of surface porosity, column height, and pressure-sensitive adhesives on removal efficiency
Researchers developed 3D-printed flow-through filtration columns using fused deposition modeling for microplastic capture from wastewater, testing the effects of surface porosity, column height, and pressure-sensitive adhesive coatings on removal efficiency. The customizable and scalable design demonstrates the potential of additive manufacturing to produce effective and adaptable microplastic filtration systems.
Microporous carbon derived from waste plastics for efficient adsorption of tetracycline: Adsorption mechanism and application potentials
Scientists converted waste PET plastic bottles into a porous carbon material that can remove 100% of the antibiotic tetracycline from water. The material worked effectively across a wide range of water conditions and could be reused multiple times. This approach offers a double benefit: it repurposes plastic waste that would otherwise become microplastic pollution while also cleaning antibiotics from water, addressing two environmental threats at once.
Mechanisms of polystyrene nanoplastics adsorption onto activated carbon modified by ZnCl2
Researchers enhanced activated carbon with zinc chloride to improve its ability to adsorb polystyrene nanoplastics from water, finding that pore filling and electrostatic interactions were the dominant removal mechanisms and that the modified carbon maintained stable performance in tap water and could be fully regenerated by high-temperature calcination.
Nanoplastics in aquatic systems: challenges and advances in adsorptive removal technologies
This review examined the formation and environmental effects of nanoplastics in water systems and assessed adsorption as a promising method for their removal. Researchers evaluated materials including biochar, sponges, and aerogels, finding that effectiveness depends on factors like pH, pore size, and surface chemistry. The study highlights that while adsorption technologies show potential for nanoplastic cleanup, challenges remain in scaling these approaches for real-world water treatment.
Application of carbon-based adsorbents in the remediation of micro- and nanoplastics
This review summarizes how carbon-based materials like activated carbon, biochar, and carbon nanotubes can be used to remove micro and nanoplastics from water through adsorption. These materials are attractive because they are low-cost, eco-friendly, and can be modified to improve their plastic-capturing ability. Better water filtration materials could help reduce the amount of microplastics that reach people through drinking water and food preparation.
Theoretical and experimental investigation on rapid and efficient adsorption characteristics of microplastics by magnetic sponge carbon
Researchers developed a magnetic sponge carbon material that demonstrated rapid and efficient adsorption of microplastics from water, with both theoretical modeling and experiments confirming strong removal capacity driven by magnetic and porous structural properties.
Customizable 3D‐Printed SiC Photocatalysts for Microplastic Capture and Degradation under Flow and Static Conditions
Researchers fabricated 3D-printed silicon carbide (SiC) photocatalytic platforms with porous architectures for capturing and degrading microplastics in water under both flow and static conditions. The 3D-printed structures improved MP capture efficiency and catalyst recovery compared to conventional slurry systems.
Closing the loop on nanoplastic pollution: A 3D printed coral-like adsorbent enabling cyclic adsorption and ice-crystal catalytic degradation for waste minimization
Scientists created a 3D-printed coral-like filter that can remove tiny plastic particles (nanoplastics) from water with 96% efficiency. The filter uses freezing conditions to actually break down the captured plastic particles, making it reusable for multiple cleaning cycles. This could help reduce nanoplastics in drinking water, which is important since these microscopic plastic pieces are found throughout our environment and may pose health risks to humans.
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.
Carbon composites in the mitigation of micro and nanoplastics
This review examines how carbon composites -- including activated carbon, carbon nanotubes, graphene, and biochar-based materials -- can mitigate micro and nanoplastic pollution through physical adsorption, chemical binding, and photocatalytic degradation, analyzing the mechanisms, limitations, and scalability challenges of these approaches across field and laboratory studies.
Microplastic pollutants in water: A comprehensive review on their remediation by adsorption using various adsorbents
This review covers the different materials scientists are developing to filter microplastics out of water, including biochar, activated carbon, sponges, carbon nanotubes, and newer hybrid materials. Each material has trade-offs in terms of cost, effectiveness, and environmental impact, but combining different approaches shows the most promise. The research is important because better water filtration methods could directly reduce the amount of microplastics people consume through drinking 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.
Performance of activated carbon for polypropylene microplastic removal in wastewater
Researchers tested the ability of granular activated carbon to remove polypropylene microplastics from wastewater and found it could capture over 90 percent of particles under optimized conditions. The carbon's effectiveness depended on factors like particle size, contact time, and water chemistry. The study supports activated carbon adsorption as a practical and efficient add-on treatment step for removing microplastics from water treatment systems.
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.
Paving roads with recycled plastics: Microplastic pollution or eco-friendly solution?
This study assessed the capability of granular activated carbon filtration to remove nanoplastics from drinking water, finding approximately 85% removal efficiency for particles below 1 micrometer. Removal was lower for smaller, hydrophilic particles that resist adsorption.
Current progress in sorptive eradication of microplastics from aqueous media: a review
This review summarized sources of microplastics and their health effects, and evaluated various sorbent materials—including biochar, activated carbon, and nanomaterials—used to remove MPs from water under different pH, temperature, and concentration conditions.
Evaluating the effectiveness of adsorption nano-techniques for microplastic removal: Insights and future prospects
This review evaluates the effectiveness of various adsorbent materials, including activated carbon, bioadsorbents, and advanced nanomaterials, for removing microplastics and nanoplastics from water. Researchers examined key factors like pore size, surface charge, and environmental conditions that influence removal efficiency. The study highlights the need for developing more sustainable and cost-effective adsorbent materials to tackle growing microplastic contamination in water sources.
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.
Engineering 3D graphene-like carbon-assembled layered double oxide for efficient microplastic removal in a wide pH range
Researchers engineered a 3D graphene-like carbon layered double oxide material that effectively removes microplastics from water across a wide pH range, making it suitable for treating both acidic and alkaline wastewater effluents.