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20 resultsShowing papers similar to Biopolymeric Nanocomposites for Wastewater Remediation: An Overview on Recent Progress and Challenges
ClearChitosan: A Novel Approach and Sustainable Way to Remove Contaminants and Treat Wastewater
This review examines how chitosan, a natural material derived from crustacean shells, can be used to remove pollutants including microplastics, heavy metals, and pesticides from wastewater. Chitosan's chemical structure allows it to bind and capture a wide range of contaminants, and it can be combined with other materials to improve its effectiveness. Developing affordable, biodegradable water treatment materials like chitosan could help reduce human exposure to microplastics in drinking water.
Chitin and Chitosan in Wastewater Treatment
This review examines how chitosan — a biodegradable material derived from crustacean shells — and its modified nanocomposites can be used to remove microplastics, heavy metals, and pesticides from wastewater. Chitosan-based materials show strong promise as low-cost, eco-friendly water treatment additives, though challenges around mechanical strength and acid stability still need to be overcome before widespread deployment.
Biodegradable Nanomaterials For Removal Of Microplastics Removal In Aquatic Ecosystems
This study explores the potential of biodegradable nanomaterials made from natural polymers like chitosan, cellulose, and lignin to remove microplastics from water. These materials have high surface areas and can be engineered to selectively attract and capture plastic particles through surface interactions. The approach offers a greener alternative to conventional filtration and chemical treatment methods, which are often energy-intensive and can create secondary pollution.
Advances in chitin and chitosan-based materials for microplastics treatment
This review summarizes advances in using chitin and chitosan-based materials for removing microplastics from wastewater. Researchers highlight that while these natural biopolymers offer promising adsorption capabilities due to their functional groups, challenges such as low selectivity and limited mechanical strength have constrained practical use. The study covers various treatment approaches including adsorption, coagulation-flocculation, membrane filtration, and air flotation technologies.
Biocompatible materials as a sustainable solution to micro- and nanoplastic remediation and their challenges
This review evaluates biocompatible materials—including chitosan, cellulose, and biopolymers—as sustainable sorbents for removing micro- and nanoplastics from water, highlighting their advantages of biodegradability and low toxicity compared to conventional treatment media.
Developments and application of chitosan-based adsorbents for wastewater treatments
This review examines the use of chitosan, a natural material derived from crustacean shells, as an adsorbent for removing pollutants from wastewater. Researchers found that chitosan-based composites, especially those enhanced with nanoparticles, are effective at removing metals, pharmaceuticals, pesticides, and microplastics from water. The material's low cost, biodegradability, and versatility make it a promising tool for addressing water contamination worldwide.
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.
Chitosan Biopolymer and Its Nanocomposites: Emerging Material as Adsorbent in Wastewater Treatment
This review examines chitosan biopolymer and its nanocomposites as emerging adsorbent materials for wastewater treatment, highlighting their high adsorption capacity and surface charge for efficiently removing various pollutants from contaminated water.
Interaction of chitosan with nanoplastic in water: The effect of environmental conditions, particle properties, and potential for in situ remediation
Researchers tested chitosan — a natural polymer derived from shellfish — as a tool to aggregate and remove nanoplastic particles from water, finding it caused clumping at low doses but that high pH, dissolved organic matter, and surface chemistry of the plastics all affected its performance. The results suggest chitosan-based treatment has real potential for water remediation but requires careful tuning of environmental conditions.
Chitosan-based Biogenic Nanoparticles for Wastewater Remediation: Synthesis, Characterization, and Applications - A Review
This review synthesizes research on chitosan-based biogenic nanoparticles for wastewater remediation, covering synthesis routes, physicochemical characterization, and applications leveraging chitosan's biodegradability and unique surface chemistry for removal of pollutants from water.
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.
Nanomaterials for microplastics remediation in wastewater: A viable step towards cleaner water
This review examines how nanomaterials, tiny engineered particles with high surface area and reactivity, can be used to remove microplastics from water more effectively than traditional methods like filtration and sedimentation. While promising, these technologies face challenges including high production costs, potential toxicity of the nanomaterials themselves, and difficulty scaling up from lab to real-world applications. Improving these methods is important because current water treatment often fails to remove the smallest and most harmful microplastic particles.
Developing an Efficient Model for Microplastic Removal in Wastewater: Integrating Advanced Filtration, Nanotechnology, and Bioremediation
Researchers developed an integrated model for microplastic removal from wastewater combining bio-based filtration with chitosan and alginate beads, carbon nanotube nanotechnology, and bioremediation techniques. The study suggests that this synergistic approach addresses key limitations of conventional treatment methods, including insufficient removal efficiency, low adsorption capacity, and inadequate selectivity for different microplastic types.
Advances in Chitosan-Based Materials for Application in Catalysis and Adsorption of Emerging Contaminants
This review covers how chitosan, a natural material derived from shellfish shells, can be used to remove emerging contaminants including microplastics, pharmaceuticals, and PFAS chemicals from water. Chitosan-based materials can be shaped into particles, membranes, and gels that effectively absorb a wide range of pollutants, offering a more sustainable alternative to conventional water treatment methods for reducing human exposure to harmful contaminants.
Developments in the Application of Nanomaterials for Water Treatment and Their Impact on the Environment
This review covers the application of nanomaterials for water treatment and remediation, evaluating how nanomaterial properties enable removal of pollutants including heavy metals, organic contaminants, and microplastics. It surveys the current state of research and discusses practical challenges for scaling up nanomaterial-based water treatment.
Adsorption of Organic Pollutants from Wastewater Using Chitosan-Based Adsorbents
This review examines how chitosan, a natural material made from shrimp and crab shells, can be used to remove organic pollutants including microplastics from wastewater. Different modified forms of chitosan can effectively absorb a range of contaminants like antibiotics, pesticides, and plastic particles from water. Since chitosan is biodegradable and non-toxic, it offers a sustainable alternative to chemical-based water treatment methods for reducing human exposure to microplastics and other pollutants.
Optimisation of Chitosan as A Natural Flocculant for Microplastic Remediation
Laboratory tests found that chitosan — a natural, biodegradable material derived from shellfish — can remove 68.3% of microplastics from water using a coagulation-flocculation process, with an optimal concentration of 30 ppm. Higher chitosan doses increased organic matter in the water (COD and BOD), suggesting a trade-off between microplastic removal efficiency and water quality parameters. Chitosan offers a promising eco-friendly alternative to synthetic chemicals for treating microplastic-contaminated water.
The impact of nanomaterials in enhancing wastewater treatment processes: A review
This review examines how nanomaterials can improve wastewater treatment, including the removal of emerging contaminants like microplastics that traditional methods struggle to capture. Nanoparticles, nanocomposites, and nanocatalysts can enhance pollutant removal through better filtering, chemical breakdown, and adsorption. While promising, the review also notes that nanomaterials themselves could pose environmental risks if not managed carefully during and after the treatment process.
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.
The use of chitosan for water purification from microplastics
Researchers investigated chitosan as a sorbent for removing microplastics from water, analyzing its physicochemical properties and proposing an optimized purification method based on chitosan's sorption characteristics.