Papers

61,005 results
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Systematic Review Tier 1

Utilizing nature-based adsorbents for removal of microplastics and nanoplastics in controlled polluted aqueous systems: A systematic review of sources, properties, adsorption characteristics, and performance

This systematic review evaluates how natural materials like agricultural waste and plant-based substances can be used to filter microplastics and nanoplastics from water. The research shows that these nature-based solutions offer a sustainable and effective approach to reducing plastic particle contamination in drinking water and wastewater systems.

2025 Next Sustainability 7 citations
Article Tier 2

Bioadsorbents for removal of microplastics from water ecosystems: a review

This review analyzes over 200 studies on using natural biological materials, called bioadsorbents, to remove microplastics from water. Researchers found that materials like chitosan, biochar, and cellulose show strong potential for capturing microplastic particles from contaminated water. The study highlights bioadsorbents as a promising, eco-friendly alternative to conventional water treatment methods for addressing microplastic pollution.

2024 International Journal of Sustainable Engineering 25 citations
Article Tier 2

An Innovative Sorption Technology for Removing Microplastics from Wastewater

This study developed a sorption-based technology for removing microplastics from wastewater using inexpensive natural materials, demonstrating high removal efficiency suitable for deployment as a tertiary treatment stage at wastewater treatment plants or for treating process and surface water.

2023 Water 28 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

Recent advancement in microplastic removal process from wastewater - A critical review

This review of over 250 studies examines physical, chemical, and biological methods for removing microplastics from wastewater, finding that biochar filtration is among the most effective approaches. Effective removal of microplastics from water is important because these particles can accumulate in the food chain and pose risks to human health.

2024 Journal of Hazardous Materials Advances 45 citations
Article Tier 2

Eradicating microplastics in wastewater: microalgae as a sustainable strategy

This review examines the use of microalgae as a sustainable strategy for removing microplastics from wastewater, discussing biosorption mechanisms, removal efficiencies, and the limitations of conventional treatment plants that typically achieve only up to 90% MP removal.

2025 The Science of The Total Environment
Article Tier 2

Advancing microplastics remediation in bioretention systems using biochar/kaolin: Optimizing organics removal, plant health, and microbial community dynamics

Researchers tested biochar, kaolin, and a combined kaolin-biochar composite in stormwater filtration columns and found the composite removed up to 97% of microplastics while also improving removal of organic pollutants and supporting beneficial soil bacteria. Adding plants to the system further boosted microplastic capture, pointing toward affordable, nature-friendly water treatment upgrades.

2024 Environmental Chemistry and Ecotoxicology 7 citations
Article Tier 2

Advancements in Biochar as a Sustainable Adsorbent for Water Pollution Mitigation

This review examines how biochar, a charcoal-like material made from plant waste, can remove over 80% of microplastics and nanoplastics from contaminated water, along with heavy metals and other pollutants. Advances in biochar production and machine learning optimization are making it a promising, sustainable tool for cleaning microplastic-polluted water before it reaches people.

2025 Advanced Science 52 citations
Article Tier 2

Microplastics_Removal

Researchers evaluated the efficiency of a microplastic removal system for synthetic wastewater that combines a chemical treatment process with simple filtration, measuring removal performance across different microplastic types and concentrations.

2025 Open Science Framework
Article Tier 2

Toward the review on sustainable elimination of microplastics: Materials, strategies, and advantages

This review evaluates sustainable approaches for removing microplastics using natural materials — including sponges, gels, enzymes, and microorganisms — comparing their mechanisms, efficiencies, and advantages over conventional chemical removal methods.

2025 Environmental Progress & Sustainable Energy
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

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

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

Enhancing the remediation of polyamide microplastics: A comparative study of natural and synthetic coagulants

Researchers compared natural plant-based coagulants with the synthetic coagulant alum for removing polyamide microplastics from water. They found that alum was more effective overall, removing up to 94% of microplastics, while the natural coagulants achieved moderate removal rates and worked best with larger particles. The study suggests that coagulation-based water treatment can meaningfully reduce microplastic contamination, with natural alternatives offering a more sustainable option.

2025 Frontiers in Environmental Science 4 citations
Article Tier 2

Sustainable coagulative removal of microplastic from aquatic systems: recent progress and outlook

This review examines how natural coagulants from plants, animals, and microbes can be used to remove microplastics from water as a greener alternative to conventional chemical treatments. These bio-based coagulants, especially when combined with nanotechnology, show promising removal rates while avoiding the toxic residues left by traditional chemical approaches.

2025 RSC Advances 20 citations
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

Turning trash into tools: agricultural waste-derived biochars and composites for microplastic removal from wastewater

This review examined the use of agricultural waste-derived biochars and biochar composites as sustainable sorbents for microplastic removal from wastewater. Researchers summarised how engineered biochars produced from crop residues and other agricultural biowaste can be functionalized to achieve efficient microplastic remediation, offering a circular economy approach to both waste valorisation and pollution control.

2025 RSC Sustainability
Article Tier 2

A critical review of microplastics and nanoplastics in wastewater: Insights into adsorbent-based remediation strategies

This review analyzes research on removing microplastics and nanoplastics from water using materials that absorb the particles, finding that adsorption is the most widely studied removal method. Carbon-based and metal-based materials currently dominate the research, but plant-based (biopolymer) adsorbents are gaining attention because they are biodegradable and non-toxic. Better removal technologies are critical because conventional water treatment often fails to capture the smallest plastic particles that pose the greatest risk to human health.

2025 Environmental Pollution 8 citations
Article Tier 2

Utilizing biofilm-enhanced coconut coir for microplastic removal in wastewater

Researchers found that coating coconut coir (a natural fiber) with biofilm — communities of microorganisms — boosted its ability to capture microplastics from wastewater, achieving 85–95% removal efficiency compared to 72–82% without biofilm. This low-cost, natural approach offers a promising sustainable filter material for tackling microplastic pollution in water treatment systems.

2024 Case Studies in Chemical and Environmental Engineering 11 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

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 technologies for removal of micro plastic: A review of recent advances

Researchers reviewed emerging technologies for removing microplastics from wastewater, covering filtration, coagulation, biological treatment, and other methods used at treatment plants. The review highlights which approaches show the most promise and calls for broader adoption and improved standardization so that microplastics are more consistently captured before they reach rivers, lakes, and oceans.

2024 Heliyon 55 citations
Article Tier 2

Evaluating the effectiveness of adsorption nano-techniques for microplastic removal: Insights and future prospects

This review evaluates the effectiveness of various adsorbent materials, including activated carbon, bioadsorbents, and advanced nanomaterials, for removing microplastics and nanoplastics from water. Researchers examined key factors like pore size, surface charge, and environmental conditions that influence removal efficiency. The study highlights the need for developing more sustainable and cost-effective adsorbent materials to tackle growing microplastic contamination in water sources.

2026 Marine Pollution Bulletin
Article Tier 2

Removal of micro- and nano-plastics from aqueous matrices using modified biochar – A review of synthesis, applications, interaction, and regeneration

This review examines how modified biochar materials can be used to remove micro- and nanoplastics from water. Researchers found that chemical functionalization and nanoparticle integration of biochar significantly improve its ability to capture plastic particles through mechanisms like electrostatic interaction and physical adsorption. The study also highlights challenges in regenerating used biochar for sustainable reuse in water treatment applications.

2024 Journal of Hazardous Materials Advances 13 citations