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Investigation of the Physico-chemical Properties of Biochar Obtained from Local Waste for the Removal of Pollutants, Including Microplastics, from Wastewater Treatment Plants
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Researchers made a charcoal-like material (biochar) from corn cob waste and tested its ability to remove pollutants, including PVC microplastics, from wastewater in lab experiments. Tests measuring its structure and chemical makeup showed the material could capture these pollutants, suggesting potential use as a low-cost treatment material for wastewater.
Қазіргітаңда қоршаған ортаның ластануы, әсіресе тазарту құрылыстарынан шығатын сарқынды сулар құрамындағы қауіпті ластағыштардың көбеюі өзекті мәселелердің бірі болып табылады. Бұл зерттеуде ауыл шаруашылығы-өнеркәсіптік қалдығынан (жүгері собығынан) химиялық белсендіру әдісі арқылы жүгері биокөмірі (CB600C) алынды. СЭМ, ТГА, БЭТ, FT-IR, бөлшектердің өлшемін талдағыш анализы, элементтік көміртек анализы сияқты әдістермен жүргізілген толық сипаттаматұрақты органикалық ластағыштарды, соның ішінде микропластикті суда тиімді ұстай алатын материалға айналдыратынын растады.Алынған CB600C материалының тиімділігі адсорбция процесінде поливинилхлорид (ПВХ) ластағышын жоюда жүгері биокөмірін қолдана отырып бағаланды. Алынған нәтижелер ауыл шаруашылығы-өнеркәсіптік қалдықтан алынған CB600C материалының экологиялық қауіпсіз, оңай катализатор ретінде ластанған ағынды суларды терең тазартуда қолдану әлеуеті жоғары екенін көрсетеді.
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Biochar: from agricultural waste byproducts to novel adsorbents for ammonia and micro/nanoplastics (MNPs)
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Researchers tested biochar — a charcoal-like material made from agricultural waste like corn cobs — as a low-cost filter for removing microplastics and ammonia from water, finding that corn cob biochar produced at 700°C removed nearly 98% of microplastic particles. The material could be regenerated and reused for multiple cycles, and it released no harmful chemicals, making it a promising sustainable water treatment option.
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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.
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Researchers tested charcoal-like material (biochar) made from agricultural waste, such as palm kernel shells, to filter microplastics from lab-made wastewater flowing through a column. Biochar produced at 600°C for 4 hours removed about 99% of microplastic particles, mainly by physically filtering them rather than through chemical attraction.
Microplastic Removal from Wastewater Using Biochar Based Composite
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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.
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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.
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