Papers

61,005 results
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Article Tier 2

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.

2022 Journal of Hazardous Materials Advances 218 citations
Article Tier 2

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.

2023 Applied Physics Reviews 38 citations
Article Tier 2

Sludge-derived biochar: A review on the influence of synthesis conditions on environmental risk reduction and removal mechanism of wastewater pollutants

This paper is not about microplastics; it reviews methods for preparing biochar from sewage sludge and its use in removing heavy metals and organic pollutants from wastewater.

2023 Archives of Environmental Protection 7 citations
Article Tier 2

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.

2025 AIP Advances 7 citations
Article Tier 2

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.

2023 Journal of Interdisciplinary Debates
Article Tier 2

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.

2024 Journal of Environmental Management 24 citations
Article Tier 2

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.

2025
Article Tier 2

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.

2024 Resources 71 citations
Article Tier 2

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.

2025 Biochar X 1 citations
Article Tier 2

Addressing the Microplastic Dilemma in Soil and Sediment with Focus on Biochar-Based Remediation Techniques: Review

This review examines how biochar, a carbon-rich material made from organic waste, can be used to remediate microplastic-contaminated soils and sediments. Researchers found that biochar can adsorb microplastics and reduce their mobility, while also improving overall soil health and microbial activity. The study highlights biochar-based approaches as a cost-effective and environmentally friendly strategy for addressing microplastic pollution in terrestrial environments.

2023 Soil Systems 16 citations
Article Tier 2

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.

2024 Environmental Science Water Research & Technology 13 citations
Article Tier 2

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.

2025
Article Tier 2

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.

2023 Frontiers in Environmental Science 127 citations
Article Tier 2

Recent trends and economic significance of modified/functionalized biochars for remediation of environmental pollutants

Researchers reviewed recent advances in modified biochars — charcoal-like materials made from organic waste — as low-cost tools for removing chemical pollutants from contaminated soil and water. By altering biochar's physical and chemical properties through various treatment techniques, scientists have significantly improved its ability to bind and neutralize a wide range of harmful substances.

2024 Scientific Reports 137 citations
Article Tier 2

Biochar as an Environment-Friendly Alternative for Multiple Applications

This review summarizes how biochar, a charcoal-like material made from plant waste, can be used for carbon storage, improving soil health, and reducing greenhouse gas emissions. Notably, biochar shows potential for reducing microplastic and heavy metal contamination in soil by binding these pollutants and preventing them from being absorbed by crops. This makes biochar a promising tool for protecting food safety in agricultural soils contaminated with microplastics.

2023 Sustainability 41 citations
Article Tier 2

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.

2025 Figshare
Article Tier 2

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.

2025 Discover Sustainability 8 citations
Article Tier 2

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.

2024 International Journal of Environmental Research 15 citations
Article Tier 2

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.

2024 Environmental Sciences Europe 96 citations
Article Tier 2

Biochar : A Review of its History, Characteristics, Factors that Influence its Yield, Methods of Production, Application in Wastewater Treatment and Recent Development

This review examines biochar's history, physicochemical properties, production methods, and applications in wastewater treatment, highlighting its high porosity and diverse functional groups that enable effective adsorption of contaminants including heavy metals and organic pollutants.

2021 Biointerface Research in Applied Chemistry 48 citations
Article Tier 2

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.

2023 Separations 75 citations
Article Tier 2

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.

2024 Sustainability 18 citations
Article Tier 2

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.

2025 Bioresource Technology Reports
Article Tier 2

Biochar for the Removal of Emerging Pollutants from Aquatic Systems: A Review

This review examines the use of biochar, a carbon-rich material produced from biomass, for removing emerging pollutants from water systems. Researchers analyzed how different biochar types and pollutant characteristics affect removal efficiency, along with the underlying adsorption mechanisms. The study highlights biochar as a promising and cost-effective tool for water remediation while noting the need for further research on potential risks of its use.

2023 International Journal of Environmental Research and Public Health 106 citations