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Study on Simulated Adsorption of Two Kinds of Biochar on Different Degradable Microplastics
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Researchers tested two types of biochar for their ability to adsorb both conventional and biodegradable microplastics, finding that biochar may offer a sustainable, low-cost method for capturing these particles from contaminated environments.
The harm of microplastics (MPs) has been widely confirmed, but there are various problems in the existing removal technology. In this study, two kinds of biochar were used to simulate the adsorption of non-degradable MPs polypropylene (PP), polyethylene (PE) and...
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Biochar is a cheap, eco-friendly material used to filter toxic chromium out of contaminated water, but this study found that when microplastics are mixed in, they interfere with biochar's ability to soak up this pollutant. This matters because microplastics are now everywhere in our water systems, and if they're quietly undermining our water treatment methods, harmful chemicals like chromium could be slipping through and ending up in the water we drink.
Removal of Emerging Contaminants Microplastics by Using Biochar Technology, a Review
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This review evaluated biochar technology as a method for removing microplastics from environmental matrices, assessing its adsorption capacity, mechanisms, and scalability as a remediation tool. Given that microplastics are toxic, persistent, and resistant to conventional treatment, biochar offers a promising low-cost intervention to reduce contamination in water and soil before particles enter the food chain.
Biochar as a Potential Tool for Addressing Microplastic Pollution: A Review
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Researchers review biochar as a tool for adsorbing and immobilizing microplastics from environmental media, finding it significantly increases microplastic removal capacity, while cautioning that biochar can leach toxic compounds including PAHs and heavy metals, and calling for long-term studies and careful management before widespread application.
Optimizing Microplastic Removal using Biochar
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Researchers compared four filtration materials for removing polystyrene microplastics from water, finding that iron-modified biochar achieved 99.99% removal efficiency within six hours — far outperforming raw biochar (56%), coconut fiber (44%), and sand (29%) — with higher pyrolysis temperature and iron modification both significantly enhancing adsorption capacity.
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