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Papers
20 resultsShowing papers similar to Removal of Microplastic From Liquid Medium By Dissolved Air Flotation
ClearCFD Simulation of DAF processing for removal microplastic in different flotation solution
Researchers used computational fluid dynamics to simulate dissolved air flotation (DAF) for removing microplastics from various wastewater types. The simulations showed that optimal bubble-to-particle ratios and flow conditions significantly improved removal efficiency, providing a design framework for scaling up DAF in water treatment systems.
Removal of Micro/Nano-Plastics from Water by Flotation Technology: A Review
This review covers flotation technology as a method for removing micro- and nanoplastics from water, explaining how dissolved air flotation, electroflotation, and froth flotation work to separate plastic particles. The authors assess performance data across particle sizes and polymer types and identify remaining challenges for scaling these approaches.
Elimination of a Mixture of Microplastics Using Conventional and Detergent-Assisted Coagulation
Researchers tested coagulation as a method to remove microplastics from tap water, evaluating how microplastic type (PE and PVC), water pH, coagulant dose, and microplastic concentration affect removal efficiency, and finding that detergent-assisted coagulation improves performance.
Determinação de condições operacionais de um processo de flotação por ar dissolvido para tratamento de água
Researchers determined operational conditions for a dissolved air flotation (DAF) process for water treatment, testing how key parameters affect removal of suspended inorganic and organic matter. The study optimized DAF settings to improve water quality to levels suitable for human or industrial use, with relevance to treating waters that may contain microplastics.
The removal efficiency and mechanism of microplastic enhancement by positive modification dissolved air flotation
Researchers enhanced dissolved air flotation by modifying the process with positively charged surfaces to improve microplastic removal from freshwater, finding that the modified approach significantly outperformed conventional dissolved air flotation across three common polymer types.
Modelling and application of dissolved air flotation for efficient separation of microplastics from sludges and sediments
Researchers developed and tested predictive models for dissolved air flotation (DAF) — a process that uses tiny air bubbles to lift particles out of water — to more efficiently remove microplastics from industrial sludge and sediments. The models accurately predicted how different plastic types, sizes, and shapes attach to air bubbles, enabling better design of microplastic removal systems at industrial scale.
Effect of UV-degraded microplastics on Dissolved Air Flotation (DAF) removal
Polypropylene and polystyrene microplastics subjected to 30 days of UVC irradiation showed altered surface properties and reduced removal efficiency in dissolved air flotation (DAF) water treatment, with UV-degraded microplastics presenting greater challenges for conventional water treatment processes than pristine particles.
Performanceof Coagulation-Assisted Dissolved AirFlotation Process for Microplastics Removal from Synthetic WastewaterContaining Fat, Oil and Grease
Researchers optimized a coagulation-assisted dissolved air flotation (DAF) process for removing polyethylene and polystyrene microplastics from synthetic wastewater containing fat, oil, and grease, achieving removal efficiencies of 88-90% with added coagulants compared to only 27-28% for DAF alone. The presence of fat, oil, and grease further enhanced MP removal to 95%, suggesting that hydrophobic interactions facilitate aggregation between MPs and these substances.
Simultaneous monitoring of flow patterns, and bubble, and plastics micro-particle characteristics in Dissolved Air Flotation (DAF)
Researchers used a lab-scale dissolved air flotation (DAF) tank to simultaneously track microbubbles and microplastic particles, finding that particle dynamics and flow regimes within the tank significantly influenced removal performance. The study offers insights for optimizing DAF water treatment systems to better capture microplastics during drinking water or wastewater processing.
Treatment technologies for the removal of micro plastics from aqueous medium
Researchers reviewed treatment technologies for removing microplastics from water, finding that while multiple methods including filtration, membrane processes, and coagulation show promise, their effectiveness depends on microplastic size, type, and concentration.
Is froth flotation a potential scheme for microplastics removal? Analysis on flotation kinetics and surface characteristics
This study evaluated froth flotation as a method for removing microplastics from water, finding that surface hydrophobicity governs flotation efficiency and that the technique shows promise as a scalable treatment option for certain polymer types.
Removal of microplastics from polyvinyl chloride (pvc) by clarification with ferric chloride for water supply treatment
Researchers investigated the removal of microplastics from polyvinyl chloride (PVC)-containing water using clarification with ferric salts, evaluating the method's effectiveness as a treatment approach for emerging microplastic contaminants in aquatic environments.
The Study of Removal of Polyvinyl Chloride (PVC) Particles from Wastewater through Electrocoagulation
Researchers investigated electrocoagulation as a method for removing polyvinyl chloride (PVC) microplastic particles from wastewater, evaluating its efficiency as a low-cost treatment approach using simple chemicals and accessible equipment.
The influence of coagulation process conditions on theefficiency of microplastic removal in water treatment
Researchers investigated how coagulation process conditions — including coagulant type, pH, and microsand addition — affect the removal of polyethylene, PVC, and textile microfibers from river water, municipal wastewater, laundry effluent, and synthetic matrices. Ferric chloride and polyaluminum chloride both achieved substantial removal, with performance varying significantly by water matrix and microplastic type.
Coagulation technologies for separation of microplastics in water: current status
This review examines how coagulation water treatment technologies can remove microplastics from water. Conventional coagulation achieves 8-98% removal efficiency while electrocoagulation achieves 8-99%, depending on conditions, offering a potentially effective approach for reducing microplastics in drinking water and wastewater.
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.
Investigating the Potential of Coagulants to Improve Microplastics Removal in Wastewater and Tap Water
Researchers found that adding coagulants (FeCl3 or Al2(SO4)3) to wastewater and tap water improved microplastic removal, with aluminum sulfate achieving 43% and 62% removal efficiencies respectively, though the high concentrations required suggest that combining coagulants with organic polyelectrolytes could improve practicality.
Microplastics removal from natural surface water by coagulation process
Researchers compared the effectiveness of ferrous and aluminum sulfate coagulants for removing microplastics from natural surface water, finding that both successfully removed polystyrene and polyvinyl chloride particles. Ferrous sulfate showed slightly higher removal efficiency, and the addition of coagulant aids further improved results. The study demonstrates that conventional coagulation processes already used in drinking water treatment can meaningfully reduce microplastic contamination.
Assessment of Electrocoagulation Process Efficiency in the Removal of PVC Microplastics from Synthetic Seawater
Researchers investigated and optimized electrocoagulation as a method for removing PVC microplastics from marine environments, evaluating its efficiency compared to other treatment approaches and identifying suitable operating parameters.
Representative Test Material for Validation of Density Separation as Part of Microplastic Quantification in Drinking Water
Researchers developed and characterized a PVC-based representative test material for validating density separation procedures used in microplastic quantification in drinking water, in line with EU Drinking Water Directive requirements. The material's physicochemical characterization and application in validation protocols provides a practical reference for standardizing analytical methods for drinking water MP monitoring.