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20 resultsShowing papers similar to Removal of Micro/Nano-Plastics from Water by Flotation Technology: A Review
ClearIs 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.
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.
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.
Understanding the fragmentation of microplastics into nano-plastics and removal of nano/microplastics from wastewater using membrane, air flotation and nano-ferrofluid processes
This review described how nanoplastics form from fragmentation of larger microplastics in wastewater and examined the performance of membrane filtration, air flotation, and nano-ferrofluid processes for removing nano- and microplastics from wastewater, finding nano-ferrofluid treatment most effective for the smallest particles.
The Use of Polymers in the Flotation Treatment of Wastewater
This review covers how polymers (polyelectrolytes) are used in flotation-based wastewater treatment to remove suspended solids and organic matter. The findings are relevant to how plastics interact with water treatment processes.
Current status of microplastics and nanoplastics removal methods: Summary, comparison and prospect
This review comprehensively summarized and compared current methods for removing micro- and nanoplastics from water, covering physical, chemical, and biological approaches while identifying key challenges and future directions for improving removal efficiency.
Removal of Microplastic From Liquid Medium By Dissolved Air Flotation
Researchers tested dissolved air flotation (DAF) as a technique for removing PVC microplastics from water, conducting flotation tests with coagulant dosage optimization using a suspension of 400 mg/L PVC particles in water supply.
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.
Microplastic Removal by Flotation: Systematic Review, Meta-Analysis, and Research Trends
This meta-analysis pooled data from 31 studies on using flotation — a technique borrowed from mining — to remove microplastics from water and soil. The method showed high removal rates across different conditions, and research in this area has grown rapidly since 2020. Better microplastic removal technologies are important because they could help reduce the amount of plastic particles reaching our drinking water and food supply.
A Review of Materials for the Removal of Micro- and Nanoplastics from Different Environments
This review evaluates methods for removing microplastics and nanoplastics from water, soil, and air, finding that traditional approaches like filtration work for larger particles but struggle with nanoscale plastics. Newer technologies like magnetic nanoparticles and photocatalysis show promise, but challenges remain in making these solutions affordable and scalable for real-world cleanup.
Removal of Micro and Nanoplastics from Water Using Magnetic Nanoparticles: A Review
This review evaluates the use of magnetic nanoparticles as a technology for removing micro- and nanoplastics from water. Researchers found that magnetic nanoparticles can effectively capture plastic particles through surface interactions and be easily separated from water using magnets. The study suggests this approach offers a promising and energy-efficient method for cleaning microplastic-contaminated water, though challenges remain in scaling it for real-world applications.
Microplastics and nanoplastics: Recent literature studies and patents on their removal from aqueous environment
This review surveyed recent research and 42 international patents on technologies for removing microplastics and nanoplastics from water, categorizing methods into filtration, capture-based, and degradation approaches. Removal efficiencies between 58% and 100% were reported across techniques including coagulation, membrane filtration, photocatalytic degradation, and microbial breakdown. The study highlights that while promising methods exist, each has limitations depending on factors like plastic type, water chemistry, and particle size.
Removal of microplastics from wastewater through electrocoagulation-electroflotation and membrane filtration processes
Researchers investigated electrocoagulation-electroflotation and membrane filtration for removing microplastics from wastewater, finding that combining these processes effectively recovers microplastic particles from treatment plant effluent.
Model analysis of electroflotation water treatment of wastewater containing microplastics
This study developed a mathematical model describing how electroflotation can remove microplastics from wastewater, identifying key factors affecting efficiency. Better process models help optimize treatment systems for removing plastic particles before they enter waterways.
A comprehensive review of microplastics in wastewater treatment plants
This review surveys microplastic removal technologies used in wastewater treatment plants, comparing membrane bioreactors, electrocoagulation, coagulation-sedimentation, and biodegradation approaches. Understanding removal efficiency at treatment plants is critical because they are a primary pathway by which microplastics — and the toxic chemicals they carry — reach rivers, coastal waters, and ultimately drinking water supplies.
Technologies to eliminate microplastic from water: Current approaches and future prospects
This review surveys the different technologies available for removing microplastics from water, from basic filtration to advanced methods like magnetic separation and electrochemical treatment. Conventional approaches struggle with very small particles, while newer techniques are more effective but expensive and energy-intensive. Biological methods using bacteria, fungi, and algae offer a more eco-friendly alternative but need further development.
Removal of microplastics in water: Technology progress and green strategies
Researchers reviewed existing technologies for removing microplastics from water, including filtration, magnetic separation, chemical coagulation, and biodegradation. Each method has significant trade-offs — filtration is costly, chemical approaches risk secondary pollution, and biological methods are slow — pointing to the need for integrated, environmentally friendly strategies that combine multiple approaches.
Micro- and nanoplastics removal mechanisms in wastewater treatment plants: A review
This review examines how conventional wastewater treatment plants remove micro- and nanoplastics, and evaluates advanced technologies like membrane filtration and electrocoagulation that could improve removal rates. While existing treatment plants can capture most microplastics, they still release significant quantities into waterways through their enormous discharge volumes. The study highlights that biological treatment steps may also transform microplastics in potentially harmful ways that need further investigation.
A review of micro-nanoplastics removal technologies and mechanisms from wastewater
This review synthesizes removal technologies and mechanisms for micro- and nanoplastics (MNPs, particles smaller than 5 mm) from wastewater treatment plants, which are a major source of MNPs entering natural water systems. Researchers compared physical methods (filtration, adsorption, flotation, coagulation, magnetic separation), chemical methods (photocatalytic degradation, electrooxidation, electrocoagulation), and biological approaches, summarizing the advantages and limitations of each.
Removal of Microplastics from Wastewater by Methods of Electrocoagulation and Adsorption
This review examines electrocoagulation and adsorption methods for removing microplastics from wastewater, comparing them against conventional physical, chemical, and biological approaches in terms of removal efficiency, cost, and practical scalability.