Papers

61,005 results
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Article Tier 2

Recent advances and factors affecting the adsorption of nano/microplastics by magnetic biochar

This review examines recent advances in using magnetic biochar to adsorb nano- and microplastics from aquatic environments. Researchers found that magnetic biochar offers advantages over traditional biochar by enabling easy separation from water using magnets, avoiding secondary pollution from filtration. The study identifies key factors affecting adsorption efficiency and highlights magnetic biochar as a promising tool for microplastic remediation in contaminated water.

2024 Chemosphere 17 citations
Article Tier 2

Application of carbon-based adsorbents in the remediation of micro- and nanoplastics

This review summarizes how carbon-based materials like activated carbon, biochar, and carbon nanotubes can be used to remove micro and nanoplastics from water through adsorption. These materials are attractive because they are low-cost, eco-friendly, and can be modified to improve their plastic-capturing ability. Better water filtration materials could help reduce the amount of microplastics that reach people through drinking water and food preparation.

2023 Journal of Environmental Management 36 citations
Article Tier 2

Theoretical and experimental investigation on rapid and efficient adsorption characteristics of microplastics by magnetic sponge carbon

Researchers developed a magnetic sponge carbon material that demonstrated rapid and efficient adsorption of microplastics from water, with both theoretical modeling and experiments confirming strong removal capacity driven by magnetic and porous structural properties.

2023 The Science of The Total Environment 49 citations
Article Tier 2

Current progress in sorptive eradication of microplastics from aqueous media: a review

This review summarized sources of microplastics and their health effects, and evaluated various sorbent materials—including biochar, activated carbon, and nanomaterials—used to remove MPs from water under different pH, temperature, and concentration conditions.

2025 New Journal of Chemistry
Article Tier 2

Carbon-based adsorbents for micro/nano-plastics removal: current advances and perspectives

Scientists reviewed how carbon-based materials like graphene, activated carbon, and carbon nanotubes can be used to remove micro- and nanoplastics from water. Researchers found that these adsorbents show strong potential for capturing tiny plastic particles thanks to their tunable surface properties and high surface area. The study suggests that carbon-based filtration could become an important technology for cleaning microplastic-contaminated water.

2024 Water Emerging Contaminants & Nanoplastics 36 citations
Article Tier 2

Carbon-Based Adsorbents for Microplastic Removal from Wastewater

This review examines how carbon-based materials like biochar, activated carbon, and carbon nanotubes can filter microplastics out of wastewater. Modified versions of these materials showed high removal rates, suggesting they could help reduce the amount of microplastics that reach drinking water sources and, ultimately, the human body.

2024 Materials 46 citations
Article Tier 2

Enhanced adsorption and co-adsorption of heavy metals using highly hydrophilicity amine-functionalized magnetic hydrochar supported MIL-53(Fe)-NH2: performance, kinetics and mechanism studies

Researchers developed a composite material made from invasive plant-derived carbon combined with a metal-organic framework to simultaneously remove multiple heavy metals from water. The approach addresses co-contamination of aquatic environments where heavy metals and microplastics often occur together.

2023 Research Square (Research Square)
Article Tier 2

Carbon Nanocomposite for Purification of Man-Made Polluted Waters

Researchers developed a nanocomposite sorbent combining magnetically responsive thermally expanded graphite with natural clay to address the multicomponent challenge of purifying water contaminated with oil products, heavy metals, radionuclides, and micro- and nanoplastics simultaneously.

2025 Preprints.org
Article Tier 2

Microplastic pollutants in water: A comprehensive review on their remediation by adsorption using various adsorbents

This review covers the different materials scientists are developing to filter microplastics out of water, including biochar, activated carbon, sponges, carbon nanotubes, and newer hybrid materials. Each material has trade-offs in terms of cost, effectiveness, and environmental impact, but combining different approaches shows the most promise. The research is important because better water filtration methods could directly reduce the amount of microplastics people consume through drinking water.

2024 Chemosphere 67 citations
Article Tier 2

Functionalized Biochars for Enhanced Removal of Heavy Metals from Aqueous Solutions: Mechanism and Future Industrial Prospects

This review examined functionalized biochar materials as adsorbents for removing heavy metals from water, comparing surface modification strategies that enhance metal uptake capacity and selectivity. Functionalized biochars showed substantially improved adsorption performance over unmodified biochar and low-cost conventional materials.

2022 Journal of Human Earth and Future 46 citations
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
Article Tier 2

Recent advancement in removal of microplastics as emerging pollutants from aquatic ecosystems: adsorption and separation

This review summarizes recent advances in adsorption and separation technologies for removing microplastics from aquatic ecosystems, covering materials including magnetic nanoparticles, metal-organic frameworks, biochar, and electrocoagulation approaches.

2025 Environmental Geochemistry and Health
Article Tier 2

Nano-Functionalized Magnetic Carbon Composite for Purification of Man-Made Polluted Waters

Researchers developed a nano-functionalized composite of thermally expanded graphite and bentonite clay for purifying water contaminated with oil products, heavy metals, radionuclides, and micro- and nanoplastics, using SEM, dynamic light scattering, radiometry, and atomic absorption spectrophotometry to assess performance. Applied to real radioactively contaminated water from the Chernobyl Exclusion Zone, the composite reduced organic substances by 10-15 times and achieved 81.4-98.8% extraction of cesium, strontium, cobalt, and manganese, reducing radioactivity by three orders of magnitude.

2025 C – Journal of Carbon Research
Article Tier 2

Efficient removal of microplastics from aqueous solution by a novel magnetic biochar: performance, mechanism, and reusability

Researchers developed a magnetic biochar from rice husks that achieved 99.96% removal of microplastics from water, with the material showing excellent reusability and performance under various environmental conditions.

2022 Environmental Science and Pollution Research 90 citations
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

Occurrence and distribution of microplastics in wastewater system and their adsorptive removal using CTAB-modified magnetic biochar from aqueous matrices

Microplastics were detected throughout India's wastewater treatment systems, and a modified magnetic biochar was developed that effectively removes them from water, offering a promising low-cost treatment solution.

2023
Article Tier 2

Adsorption of heavy metal onto biomass-derived activated carbon: review

This review summarizes how activated carbon made from plant-based materials can be used to remove heavy metals from polluted water. Since microplastics in water often carry and concentrate heavy metals on their surface, improving our ability to filter these combined contaminants is important for protecting drinking water and human health.

2023 RSC Advances 272 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

Removing micro- and nanoplastics (MNPs) from water via novel composite adsorbents: A review

Researchers reviewed advances in composite materials — including carbon-based, magnetic, and metal-organic framework (MOF) materials — designed to adsorb and remove micro- and nanoplastics from water, finding that each type offers performance advantages over traditional adsorbents but also faces challenges around cost, scalability, and environmental safety. The review calls for future materials that are stable, sustainable, and practical for large-scale water treatment.

2025 Cleaner Water
Review Tier 2

Key adsorbents and influencing factors in the adsorption of micro- and nanoplastics: A review

This review looks at ways to remove microplastics and nanoplastics from drinking water using adsorption, a process where contaminants stick to a filter material. Carbon-based materials show the most promise because they are affordable and environmentally friendly. The authors emphasize the need to scale up these methods from the lab to real-world water treatment plants.

2025 Journal of Environmental Management 30 citations
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

Comparative Review of Different Adsorption Techniques Used in Heavy Metals Removal in Water

This review compares different adsorption techniques for removing heavy metals from water, including the use of metal oxides, graphene, zeolites, and carbon-based composites. Researchers found that these materials offer high surface area and efficient pollutant removal capabilities. The study provides an overview of the economic feasibility of various adsorbents for addressing heavy metal contamination in water resources.

2022 Biointerface Research in Applied Chemistry 55 citations
Article Tier 2

Carbon-based composites for removal of pharmaceutical components from water

This review examines how carbon-based materials — including activated carbon, carbon nanotubes, and graphene — effectively remove pharmaceutical pollutants from water, highlighting their promise for addressing drug contamination in aquatic environments.

2022 Journal of Composites and Compounds 5 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