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Investigating the Adsorption Effect of Biochar on Microplastic Pollutants in Soil
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This study reviews how biochar can adsorb and remove microplastics from contaminated soil through physical and chemical mechanisms. Researchers found that biochar's high surface area and functional groups are key factors in its microplastic adsorption capacity, and that acidic soil conditions improve removal efficiency. The findings suggest biochar application could be a practical approach for addressing microplastic pollution in agricultural soils.
Microplastic pollution poses a serious threat to soil health and ecological security. Biochar, with its high specific surface area and abundant surface functional groups, shows potential application value in the treatment of soil microplastic pollution. Starting from the physical and chemical properties of biochar, this paper aims to explore the adsorption mechanism of biochar on microplastics in soil and analyze the influence of environmental conditions on adsorption efficiency. Research shows that biochar effectively removes microplastics from soil through physical and chemical adsorption mechanisms. The high specific surface area and abundant surface functional groups of biochar are the key factors for its efficient adsorption of microplastics. In addition, environmental conditions such as pH and ionic strength significantly affect adsorption efficiency, and biochar has a better adsorption effect on microplastics under acidic conditions. This paper points out the intrinsic mechanism of biochar adsorbing microplastics, which is of certain significance for promoting soil ecological security and sustainable development.
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The Removal and Mitigation Effects of Biochar on Microplastics in Water and Soils: Application and Mechanism Analysis
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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.
Addressing the Microplastic Dilemma in Soil and Sediment with Focus on Biochar-Based Remediation Techniques: Review
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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.
Adsorptive behavior of micro(nano)plastics through biochar: Co-existence, consequences, and challenges in contaminated ecosystems
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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.
Role of Biochar and Microbes in Remediation of Microplastics in Soil
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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.
Advances and prospects of biochar in improving soil fertility, biochemical quality, and environmental applications
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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.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.