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61,005 resultsShowing papers similar to Upgrading biochar via co-pyrolyzation of agricultural biomass and polyethylene terephthalate wastes
ClearTrends 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.
A review of prospects and current scenarios of biomass co-pyrolysis for water treatment
This review examines biomass co-pyrolysis as a strategy to produce enhanced biochars for water treatment, finding that combining different biomass feedstocks can improve biochar surface area and porosity, making the resulting materials more effective adsorbents for removing contaminants including microplastics.
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.
The Use of Biochar for Removal of Emerging Contaminants in Contaminated Water
This literature review examined 15 studies on biochar for removing emerging contaminants from water and effluents, finding that biochar made from waste raw materials is a low-cost, efficient, and scalable adsorbent for various pollutants. The review is relevant to microplastic research as biochar has potential as a treatment material for water contaminated with emerging contaminants co-occurring with microplastics.
Sludge-derived biochar: Physicochemical characteristics for environmental remediation
This review examines how sewage sludge can be converted into biochar, a carbon-rich material useful for cleaning up environmental contaminants including microplastics and heavy metals from water and soil. The process turns a waste product into an effective pollution filter while reducing the volume of sludge that needs disposal. This approach is relevant to microplastics research because biochar could help remove plastic particles from contaminated water and agricultural land.
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.
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.
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.
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.
Emerging contaminants in polluted waters: Harnessing Biochar's potential for effective treatment
This review explores how biochar, a carbon-rich material made from organic waste, can be used to remove a wide range of pollutants from contaminated water, including microplastics, heavy metals, antibiotics, and PFAS. Biochar works through multiple mechanisms like adsorption, electrostatic interactions, and chemical bonding, and can be enhanced through surface modifications. The study highlights biochar as a low-cost, adaptable tool for addressing emerging water contaminants.
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.
Engineered biochar for simultaneous removal of heavy metals and organic pollutants from wastewater: mechanisms, efficiency, and applications
Despite its title referencing wastewater treatment and biochar, this review paper focuses on using chemically modified charcoal (engineered biochar) to simultaneously remove heavy metals and organic chemical pollutants from water — not microplastic pollution. It examines adsorption mechanisms and remediation performance for metal and organic contaminants, and is not specifically relevant to microplastics or human health impacts of plastic pollution.
The Removal and Mitigation Effects of Biochar on Microplastics in Water and Soils: Application and Mechanism Analysis
This review examines how biochar can be used to both remove microplastics from water and mitigate their harmful effects in soils. Researchers found that woody biochar was the most effective type for adsorbing microplastics, while also helping to restore soil enzyme activities and microbial communities disrupted by plastic contamination. The study calls for further research into optimizing biochar applications and understanding the long-term environmental implications of biochar-microplastic interactions.
Removal of Co-Occurring Microplastics and Metals in an Aqueous System by Pristine and Magnetised Larch Biochar
Researchers tested pristine and modified biochar for simultaneous removal of co-occurring microplastics and heavy metals from water, finding that biochar surface modifications improved adsorption of both contaminant classes, offering a promising dual-removal treatment strategy.
Biochar/Clay Composite Particle Immobilized Compound Bacteria: Preparation, Collaborative Degradation Performance and Environmental Tolerance
Not a microplastics paper — this study develops a biochar-clay composite material colonized by two bacterial species to remove ammonia and petroleum hydrocarbons from contaminated surface water, finding the combined system outperforms single-bacteria approaches.
Combined Effects of Microplastics and Biochar on the Removal of Polycyclic Aromatic Hydrocarbons and Phthalate Esters and Its Potential Microbial Ecological Mechanism
Researchers investigated the combined effects of microplastics and biochar on the removal of polycyclic aromatic hydrocarbons and phthalate esters from contaminated soil, finding that the combination altered microbial community structure and contaminant fate differently than either amendment alone.
Enhanced 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.
Adsorption of Pollutants from Wastewater by Biochar: A Review
This review examines how biochar, a carbon-rich material made from organic waste, can be used to remove pollutants including microplastics, heavy metals, and organic chemicals from wastewater. Biochar works by adsorbing contaminants onto its surface, and its effectiveness can be improved through chemical modifications. The technology offers a low-cost, sustainable approach to water treatment that could help reduce microplastic contamination in water supplies.
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.
Insights into enhancing microplastics adsorption of sludge-based biochar by APTES grafting: Combining individual binding and aggregation confinement
Sludge-based biochar was found to enhance the adsorption capacity for microplastics when its surface was optimized through activation treatments, improving removal efficiency in water treatment. The research supports using biochar derived from wastewater byproducts as a circular solution for capturing microplastics.
Role of Biochar and Microbes in Remediation of Microplastics in Soil
This review examines how biochar and soil microbes can be combined to remediate microplastic-contaminated soils, synthesizing evidence for biochar's adsorption capacity and microbial degradation pathways that reduce microplastic persistence and toxicity.
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.
Turning trash into tools: agricultural waste-derived biochars and composites for microplastic removal from wastewater
This review examined the use of agricultural waste-derived biochars and biochar composites as sustainable sorbents for microplastic removal from wastewater. Researchers summarised how engineered biochars produced from crop residues and other agricultural biowaste can be functionalized to achieve efficient microplastic remediation, offering a circular economy approach to both waste valorisation and pollution control.
Recent advances in biochar technology for aquatic pollution control: a critical review of applications, barriers, and future opportunities
Researchers reviewed two decades of research on biochar — a charcoal-like material made from organic waste — as a low-cost tool for removing pharmaceuticals, heavy metals, microplastics, and nutrients from water, achieving up to 80% pollutant removal. While promising, challenges in regeneration and scaling up production remain barriers to widespread use.