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61,005 resultsShowing papers similar to Fenugreek and OkraPolymers as Treatment Agents forthe Removal of Microplastics from Water Sources
ClearFenugreek and Okra Polymers as Treatment Agents for the Removal of Microplastics from Water Sources
Researchers tested plant-derived polysaccharides from fenugreek and okra as natural flocculants for removing microplastics from water samples collected from surface, ocean, and groundwater sources. The study found that a 1:1 combination of fenugreek and okra polymers at 1 g/L concentration was effective at capturing microplastics, offering a biodegradable and non-toxic alternative to conventional synthetic flocculants used in water treatment.
Microplastic Contamination of Water: Effects of Novel Bio-Composites Comprising of Okra and Aloe Vera.
Researchers tested plant-based flocculants made from okra and aloe vera as natural alternatives to chemical treatments for removing microplastics from water, finding that okra-based compounds were highly effective at clumping and removing plastic particles without producing toxic byproducts, pointing toward a safer and biodegradable water treatment option.
Natural-based coagulants/flocculants for microplastics and nanoplastics removal via coagulation–flocculation: a systematic review
This systematic review evaluates how natural plant-based materials can be used to remove microplastics and nanoplastics from water through coagulation and flocculation processes. The findings show that these sustainable, nature-derived alternatives can effectively capture plastic particles during water treatment, offering a greener approach to reducing microplastic contamination in our drinking water.
Microplastic removal from wastewater through biopolymer and nanocellulose-based green technologies
Biopolymer-based coagulation and flocculation agents were shown to effectively remove microplastics from wastewater, offering a more sustainable alternative to synthetic chemical flocculants. The approach supports eco-friendly microplastic treatment that avoids adding further chemical pollutants to effluents.
Microplastic removal using Okra (Abelmoschus esculentus) seed from aqueous solutions
Researchers explored using okra seeds as a natural material to remove microplastics from water. They found that okra seed powder effectively removed polyethylene and PVC microplastics through a combination of electrostatic attraction and other surface interactions. The study presents an affordable, plant-based approach that could help address microplastic contamination in drinking water supplies.
Microplastic Removal in Wastewater Treatment Plants (WWTPs) by Natural Coagulation: A Literature Review
This review examines how natural coagulants, substances derived from plants and other natural sources, can be used to remove microplastics during wastewater treatment. Natural coagulants are safer and cheaper than chemical alternatives, and show promise for capturing microplastic particles. Since wastewater treatment plants are a major source of microplastics entering waterways, better removal methods could reduce the amount of plastic pollution reaching the environment and eventually human food and water supplies.
Bio-Based Polymeric Flocculants and Adsorbents for Wastewater Treatment
This review explores how materials derived from natural biological sources, such as plant-based polymers, can be used as flocculants and adsorbents to remove contaminants from wastewater. Researchers found that these bio-based materials offer advantages including biodegradability, low cost, and effectiveness in trapping pollutants through both clumping and surface binding mechanisms. The study suggests that bio-based polymeric materials are a promising sustainable alternative to synthetic chemicals currently used in water treatment.
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.
Efficacy of Protein Extracts of Moringa oleifera and Benincasa hispida Seeds for the Treatment of Microplastics
Researchers tested protein extracts from Moringa oleifera and Benincasa hispida seeds as natural coagulants for removing microplastics from water. Moringa extracts achieved 94% removal efficiency at a dosage of 30 mL/L, while Benincasa hispida reached 88% removal at 40 mL/L under neutral pH conditions. The study suggests these plant-based coagulants could serve as effective, sustainable, and affordable alternatives to synthetic chemicals for microplastic treatment in water systems.
Removal of Pristine and UV-Weathered Microplastics from Water: Moringa oleifera Seed Protein as a Natural Coagulant
Researchers tested a natural plant-based coagulant from Moringa oleifera seeds for removing microplastics from water, comparing it to conventional chemical treatments. The natural coagulant effectively removed both fresh and UV-weathered polyethylene microplastics, performing comparably to synthetic alternatives. This approach offers a more eco-friendly and less toxic option for cleaning microplastics from water systems.
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.
Tailored cellulose-based flocculants for microplastics removal: Mechanistic insights, pH influence, and efficiency optimization
Researchers developed plant-derived (cellulose-based) flocculants that clump microplastics together so they can be more easily removed from water, finding that a low concentration of 0.001 g/mL was optimal and that both electrical charge and water-repelling interactions drive the process depending on the type of plastic.
Acrylamide Cross‐Linked Psyllium Polysaccharide with Improved Flocculation Performance for the Removal of Microplastics from Water
Researchers synthesized acrylamide cross-linked psyllium polysaccharide as a biodegradable flocculant and tested it for removing polystyrene, PET, and PVC microplastics from water. The material achieved effective flocculation of all three polymer types under optimized conditions, offering a sustainable alternative to synthetic polymer flocculants.
Biopolymer-based flocculants: a review of recent technologies
Researchers reviewed recent advances in biopolymer-based flocculants — water treatment agents derived from chitosan, starch, cellulose, and lignin — summarizing modification strategies and flocculation mechanisms, and highlighting their potential as environmentally friendly replacements for synthetic polymer flocculants that contribute to microplastic pollution in treated water.
Application of New Polymer Flocculants in Industrial Wastewater Treatment
This review covers the use of polymer-based flocculants in industrial wastewater treatment, which help remove suspended particles and contaminants. Flocculants are relevant to microplastic removal because they can aggregate small plastic particles to make them easier to filter out of water.
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.
Effective Removal of Microplastic Particles from Wastewater Using Hydrophobic Bio-Substrates
Researchers tested natural cattail plant fibers as a low-cost, biodegradable material for removing microplastics from wastewater. The hydrophobic fibers were effective at adsorbing microplastic particles, with removal efficiency influenced by water chemistry and contact time. The study suggests that plant-based bio-adsorbents could offer a sustainable and affordable alternative for filtering microplastics from water treatment systems.
Sustainable Removal of Microplastics and Natural Organic Matter from Water by Coagulation–Flocculation with Protein Amyloid Fibrils
Researchers developed a novel water treatment method using protein-based amyloid fibrils as a natural flocculant to remove microplastics and dissolved organic matter from water. The method achieved removal efficiencies above 97% for both microplastic particles and humic acid, outperforming conventional chemical flocculants at the same dosage. The approach offers a sustainable, biodegradable alternative to traditional water treatment chemicals for addressing microplastic contamination.
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.
Natural coagulants (Moringa oleifera and Benincasa hispida) based removal of microplastics
Researchers tested two plant-based coagulants — from Moringa oleifera seeds and white gourd (Benincasa hispida) — for removing microplastics from water, finding they achieved roughly 84–87% removal rates comparable to the commonly used chemical coagulant alum. This is the first study showing that natural, plant-derived coagulants can serve as sustainable, non-toxic alternatives for filtering microplastics from water supplies.
The removal of microplastics from water by coagulation: A comprehensive review
This review comprehensively examined coagulation as a technology for removing microplastics from drinking water and wastewater treatment plants, analyzing the mechanisms, influencing factors, and effectiveness of different coagulants for microplastic removal.
Coagulative removal of microplastics from aqueous matrices: Recent progresses and future perspectives
This review examines how coagulation, a common water treatment technique, can be used to remove microplastics from water. Researchers compared the effectiveness of different coagulants, finding that natural options like chitosan and protein-based coagulants achieved removal rates above 90 percent. The study highlights the promise of natural coagulants as a more sustainable approach to tackling microplastic contamination in water treatment systems.
Polysaccharide nanocomposites in wastewater treatment: A review
This review covers how natural sugar-based polymers (polysaccharides) combined with nanoparticles can be used to clean contaminated water, removing pollutants including heavy metals, dyes, and pharmaceutical residues. While not focused on microplastics specifically, these eco-friendly materials could potentially be adapted to filter microplastics from water as well. The technology is relevant because it offers sustainable alternatives to conventional water treatment methods that struggle with emerging contaminants.
Phytoremediation of Microplastics from Industrial Wastewater
This review examines phytoremediation as an emerging strategy for removing microplastics from industrial wastewater, highlighting the ubiquitous presence of microplastics due to their small size, low density, and high surface-area-to-volume ratio. The authors assess the potential of plant-based systems as a complement to conventional wastewater treatment plants that fail to fully remove microplastic pollution from textile, chemical, food, and other industrial effluents.