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61,005 resultsShowing papers similar to Sludge-derived biochar: A review on the influence of synthesis conditions on environmental risk reduction and removal mechanism of wastewater pollutants
ClearSludge-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.
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.
Environmental and Economic Evaluation of Biochar Application in Wastewater and Sludge Treatment
This chapter reviews how biochar — a carbon-rich material made from organic waste — can remove microplastics, heavy metals, and organic pollutants from wastewater and sludge. Biochar is presented as a cost-effective and environmentally friendly treatment option compared to conventional technologies.
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.
Co-pyrolysis of sewage sludge and metal-free/metal-loaded polyvinyl chloride (PVC) microplastics improved biochar properties and reduced environmental risk of heavy metals
Sewage sludge was co-pyrolyzed with metal-laden and metal-free PVC microplastics, producing biochars with improved properties and reduced environmental risk from heavy metals compared to pyrolyzing sludge alone. The study demonstrates co-pyrolysis as a strategy to address both plastic and heavy metal pollution in sludge treatment processes.
Synthesis Methods, Properties, and Modifications of Biochar-Based Materials for Wastewater Treatment: A Review
This review covers biochar-based materials made from agricultural waste and their use in treating contaminated water, including their ability to remove heavy metals, organic pollutants, and emerging contaminants. While not specifically about microplastics, biochar's adsorption properties make it a promising tool for removing microplastics and the chemicals they carry from water. Low-cost water treatment materials like biochar could help reduce human exposure to microplastics, especially in communities that lack advanced treatment infrastructure.
Research status, trends, and mechanisms of biochar adsorption for wastewater treatment: a scientometric review
This review analyzes over 2,600 scientific publications on using biochar, a charcoal-like material, to treat polluted water by absorbing contaminants including heavy metals and organic pollutants. While not focused specifically on microplastics, biochar-based treatments are also being explored for removing microplastics from water. The review highlights that improving these affordable filtration materials could help reduce human exposure to multiple water contaminants, including microplastics.
Microplastic Removal from Wastewater Using Biochar Based Composite
This book chapter describes how biochar-based composites can be used as adsorbents for removing microplastics from wastewater, reviewing the mechanisms of plastic particle capture and the performance of biochar materials compared to conventional treatment approaches.
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.
Recent advancement in microplastic removal process from wastewater - A critical review
This review of over 250 studies examines physical, chemical, and biological methods for removing microplastics from wastewater, finding that biochar filtration is among the most effective approaches. Effective removal of microplastics from water is important because these particles can accumulate in the food chain and pose risks to human health.
Innovative Strategies for Microplastic Mitigation in Wastewater
This book chapter proposes the use of biochar-based composite materials as innovative filter media for removing microplastics from wastewater, describing the adsorption mechanisms by which biochar captures plastic particles and the potential to integrate this approach into existing treatment infrastructure.
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.
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.
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.
Advances and prospects of biochar in improving soil fertility, biochemical quality, and environmental applications
This review examines how biochar, a charcoal-like material made from organic waste, can improve soil health and clean up pollutants including microplastics. Biochar's ability to absorb and trap contaminants makes it a promising tool for reducing microplastic pollution in agricultural soil. The findings suggest biochar could help limit the amount of microplastics that enter the food chain through crops grown in contaminated soil.
Removal of microplastics and metals in biochar beds for stormwater treatment: Effects of prolonged drying and salinity on pollutant mobility
Researchers tested biochar — a charcoal-like material made from organic waste — as a filter for removing microplastics and heavy metals from stormwater runoff, finding it retained up to 99% of microplastics but that prolonged dry periods and high salinity increased the release of metals, highlighting real-world limitations of this promising treatment approach.
Biochar as a Green Sorbent for Remediation of Polluted Soils and Associated Toxicity Risks: A Critical Review
This review examines biochar, a charcoal-like material made from organic waste, as a tool for cleaning up soil contaminated with heavy metals and organic pollutants. While biochar can effectively trap contaminants, the production process itself can create toxic byproducts like PAHs that may harm soil life. The research is relevant to microplastic pollution because biochar is being explored as a potential method to bind and reduce microplastic contamination in agricultural soils.
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 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.
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.
Degradation of Water Pollutants by Biochar Combined with Advanced Oxidation: A Systematic Review
This systematic review found that biochar combined with advanced oxidation processes is an effective and environmentally friendly approach for degrading organic pollutants in water. The catalytic activity depends on biochar's functional groups, metal components, and preparation methods, making this technology relevant for breaking down emerging contaminants including microplastics in aquatic environments.
Innovative strategies for microplastic mitigation in wastewater: The role of biochar-based composites
This book chapter reviewed biochar-based composites as innovative materials for removing microplastics from wastewater, highlighting biochar's high surface area, porous structure, and adsorption capacity. The authors evaluated current limitations of conventional wastewater treatment and argued for proactive development of biochar composites as a supplementary removal strategy.
How biochar works, and when it doesn't: A review of mechanisms controlling soil and plant responses to biochar
This comprehensive review synthesizes 20 years of research on biochar, a charcoal-like material made from organic waste that can improve soil health and reduce pollution. Biochar can reduce plant uptake of heavy metals by 17-39% and increase nutrient availability, making it potentially useful for cleaning up microplastic-contaminated soils. While not directly about microplastics, the findings are relevant because biochar could help mitigate the effects of soil pollutants that microplastics carry and concentrate.
Recent progress in the production and application of biochar and its composite in environmental biodegradation
Researchers reviewed advances in biochar production from biomass and waste via pyrolysis, summarizing its applications in environmental remediation — particularly wastewater treatment — and identifying key knowledge gaps in degradation kinetics needed to optimize biochar's performance for pollutant removal.