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61,005 resultsShowing papers similar to Removal of polypropylene nanoplastics from aqueous solution by biochar derived from Date palm fibers: Kinetics and isotherms studies
ClearEnhanced removal of PVC nanoplastics from water using microwave-activated palm frond biochar
Researchers developed a low-cost sorbent from palm-frond agricultural waste by microwave activation and NaOH treatment, and further produced a magnetically retrievable composite for enhanced removal of PVC nanoplastics from water. The modified palm-frond biochar demonstrated substantially improved nanoplastic adsorption capacity compared to unmodified biochar, offering a sustainable remediation material derived from agricultural waste.
Biochar-facilitated remediation of nanoplastic contaminated water: Effect of pyrolysis temperature induced surface modifications
Researchers synthesized sugarcane bagasse biochar at three pyrolysis temperatures and found that biochar produced at 750°C removed over 99% of nanoplastics from water within 5 minutes, with monolayer sorption kinetics and a capacity of 44.9 mg/g, offering a rapid and efficient agricultural-waste-derived remediation approach.
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.
Removal of micro- and nano-plastics from aqueous matrices using modified biochar – A review of synthesis, applications, interaction, and regeneration
This review examines how modified biochar materials can be used to remove micro- and nanoplastics from water. Researchers found that chemical functionalization and nanoparticle integration of biochar significantly improve its ability to capture plastic particles through mechanisms like electrostatic interaction and physical adsorption. The study also highlights challenges in regenerating used biochar for sustainable reuse in water treatment applications.
Trends in the applications of biochar for the abatement of microplastics in water
This review examines how biochar can be used to remove microplastics and nanoplastics from water, summarizing recent advances in biochar modification strategies that improve adsorption capacity and minimize secondary pollution risks.
Investigating the Adsorption Efficiency of Banana Pseudo-Stem Derived Biochar for Polyethylene Microplastic Removal from Aqueous Solutions
Researchers synthesized banana pseudo-stem biochar at three pyrolysis temperatures and tested it as a low-cost adsorbent for removing polyethylene terephthalate microplastics from water, finding that higher pyrolysis temperatures produced more effective biochar with greater adsorption capacity.
Microplastic-Assisted Removal of Phosphorus and Ammonium Using Date Palm Waste Derived Biochar
Date palm waste-derived biochar was found to remove both phosphorus and ammonium from water at high efficiency, and the presence of polyamide or polyethylene microplastics in the solution actually enhanced nutrient sorption rather than hindering it. This suggests that in microplastic-contaminated wastewater, biochar can still function effectively as a low-cost treatment material, and that microplastics may alter the behavior of co-occurring contaminants during remediation.
Adsorptive behavior of micro(nano)plastics through biochar: Co-existence, consequences, and challenges in contaminated ecosystems
This review examines how biochar can adsorb micro- and nanoplastics with over 90% removal efficiency in aqueous systems, while also discussing their combined effects on soil properties, microbial communities, and plant growth.
Biochar-based adsorption technologies for microplastic remediation in aquatic ecosystems
This review examines the use of biochar, a carbon-rich material made from organic waste, as a tool for removing microplastics from water. Biochar can effectively adsorb microplastic particles due to its porous structure and surface chemistry, and it can be produced cheaply from agricultural waste. The technology shows promise as an affordable and sustainable approach to reducing microplastic contamination in waterways, though challenges remain in scaling it up for real-world water treatment.
Investigations on adsorptive removal of PVC microplastics from aqueous solutions using Pinus roxburghii–derived biochar
Researchers tested pine bark biochar and chemically modified pine bark biochar for removing PVC microplastics from water, emphasizing recovery of value from Himalayan forest residues. Modified biochar showed significantly enhanced PVC microplastic adsorption, with the modification improving surface chemistry to favor plastic particle binding.
Insights into the removal of polystyrene nanoplastics using the contaminated corncob-derived mesoporous biochar from mining area
Researchers developed a mesoporous biochar from contaminated corncobs collected in mining areas that effectively adsorbs polystyrene nanoplastics from water, achieving high removal capacity through electrostatic and hydrophobic interactions.
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.
Interactions Between Biochar and Nano(Micro)Plastics in the Remediation of Aqueous Media
This review examines how biochar, a charcoal-like material made from organic waste, can be used to remove micro and nanoplastics from contaminated water. Biochar is an affordable and sustainable option that absorbs plastic particles, though the technology is still in early stages. Better water purification methods like this could help reduce the amount of microplastics that end up in drinking water and the human body.
Recent advances in biochar-mediated mitigation of microplastics: A comprehensive review on removal mechanisms, toxicity alleviation strategies, and synergistic environmental impacts
Researchers comprehensively reviewed recent advances in using biochar to mitigate microplastic pollution, including removal mechanisms, toxicity alleviation strategies, and synergistic environmental impacts. The study found that biochar is a promising candidate for microplastic removal and toxicity reduction due to its high specific surface area and adsorptive properties.
Recent methods in the production of activated carbon from date palm residues for the adsorption of textile dyes: A review
This review examines the potential of date palm residues as a renewable and cost-effective precursor for producing activated carbon to adsorb textile dyes from wastewater, covering recent technological advances in carbonization and activation methods.
Low-Cost Biochar Adsorbents for Water Purification Including Microplastics Removal
Researchers tested steam-activated biochar made from pine and spruce bark as low-cost adsorbents for removing pollutants, including microplastics, from stormwater and wastewater. Steam activation at 800 degrees Celsius significantly increased porosity and adsorption capacity compared to unactivated biochar.
Efficient removal of nanoplastics by iron-modified biochar: Understanding the removal mechanisms
Researchers created iron-modified biochar from green algae waste to remove nanoplastics from water. The modified biochar achieved a removal capacity three times higher than unmodified biochar, reaching up to 1,626 milligrams per gram, through a two-phase process of adsorption followed by aggregation. The study suggests this material could be recycled and reused at least three times, offering a practical approach to nanoplastic remediation.
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.
Insights into the removal of microplastics from water using biochar in the era of COVID-19: A mini review
Researchers reviewed how COVID-19 accelerated microplastic pollution through increased use of disposable plastics, and assessed biochar — a carbon-rich material made by heating organic waste — as a promising low-cost adsorbent for removing microplastics from water, especially when combined with other materials.
Efficient removal of microplastics from aqueous solution by a novel magnetic biochar: performance, mechanism, and reusability
Researchers developed a magnetic biochar from rice husks that achieved 99.96% removal of microplastics from water, with the material showing excellent reusability and performance under various environmental conditions.
Enhanced polystyrene nanoplastic removal by CTAB-modified magnetic biochar: Adsorption performance and mechanisms
Researchers engineered a CTAB-modified magnetic biochar adsorbent that removes polystyrene nanoplastics with a maximum capacity of 234 mg/g — more than double unmodified biochar — through electrostatic attraction, hydrophobic interactions, and iron oxide surface complexation, while also being easily retrievable with a magnet.
Removal of PET Microfibers from Simulated Wastewater Using Magnetic Nano-Ferric-Loaded Biochar: High Adsorption and Regeneration Performance
A magnetic nano-iron-oxide-loaded biochar adsorbent achieved over 99% removal of PET microfibers from simulated wastewater and showed strong regeneration performance over multiple cycles, offering a practical and recyclable treatment solution for textile microfiber pollution.
Biochar applications in microplastic and nanoplastic removal: mechanisms and integrated approaches
This review explores how biochar, a charcoal-like material made from organic waste, can be used to filter microplastics and nanoplastics out of water. Researchers found that biochar works through several mechanisms and becomes even more effective when combined with other water treatment technologies. The study suggests biochar-based approaches could be a practical, low-cost strategy for tackling plastic pollution in water systems.
Filtration of microplastic spheres by biochar: removal efficiency and immobilisation mechanisms
Researchers tested biochar as a low-cost filter material for removing microplastic spheres from water, finding effective removal and identifying electrostatic attraction and physical entrapment as the main immobilization mechanisms.