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20 resultsShowing papers similar to Removal of microplastics from polyvinyl chloride (pvc) by clarification with ferric chloride for water supply treatment
ClearThe 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.
Magnetic polymeric ferric magnesium chloride: Fe species distribution, characterization and coagulation removal of microplastics in water
Researchers developed a magnetic polymeric ferric magnesium chloride (MPFMC) coagulant and characterized its iron species distribution and physicochemical properties for use in removing microplastics from water. The study elucidated the coagulation mechanism by which MPFMC captures microplastic particles, demonstrating its potential as an efficient water treatment agent.
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.
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.
Removal of polystyrene and polyethylene microplastics using PAC and FeCl3 coagulation: Performance and mechanism
Researchers studied how two common water treatment coagulants, PAC and iron chloride, remove polystyrene and polyethylene microplastics from water. They found that PAC was more effective than iron chloride, and that alkaline conditions improved removal rates. The study provides practical insights for drinking water treatment plants looking to reduce microplastic contamination in their supply.
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.
Flotation separation of hazardous polyvinyl chloride towards source control of microplastics based on selective hydrophilization of plasticizer-doping surfaces
Researchers developed a flotation separation method using selective ferric ion deposition to distinguish rigid from flexible PVC plastics based on differences in surface hydrophilicity caused by plasticizer migration, enabling more effective recycling and source control of PVC-derived microplastics.
Development and evaluation of a water treatment system for the removal of microplastics in an aqueous medium.
Researchers developed and evaluated a water treatment system for removing microplastics from aqueous media, addressing the urgent environmental concern of microplastic contamination in rivers, seas, and oceans and assessing the system's effectiveness as a promising water purification technology.
Removal of microplastic particles using ferrate (VI) from water
This Croatian study tested ferrate (VI), a multi-functional water treatment reagent, for removing PET microplastics from water using coagulation. Results showed partial removal effectiveness, with the authors noting further work is needed across a wider pH range and to quantify any nanoplastic fraction released during treatment.
Enhanced removal of polyethylene microplastics from water through polymeric ferric sulfate with laminarin
Researchers developed an enhanced coagulation technique using polymeric ferric sulfate combined with laminarin, a seaweed-derived compound, to remove polyethylene microplastics from water. The combined approach achieved a 93.8% removal rate compared to only 48.5% with the coagulant alone, by significantly boosting charge neutralization and adsorption bridging mechanisms. The study demonstrates that natural coagulant aids can substantially improve the effectiveness of microplastic removal during water treatment.
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.
Removal of microplastics from water by magnetic nano-Fe3O4
Researchers developed a method for removing microplastics from water using magnetic iron oxide nanoparticles that attach to plastic surfaces, allowing the particles to be pulled out with a magnet. The technique achieved removal rates above 80% for common microplastic types in environmental water samples including river water, sewage, and seawater, suggesting a practical approach for water treatment.
Protocol for the removal of polyvinyl chloride microplastics from water using activated jute stick charcoal
Researchers developed a protocol for removing polyvinyl chloride microplastics from aquatic environments using jute stick activated charcoal (JSAC) as a biosorbent, describing the pyrolysis and HCl activation procedure, post-functionalization steps, and MP collection and measurement methods.
Synthesis of polyvinyl chloride modified magnetic hydrochar for effective removal of Pb(II) and bisphenol A from aqueous phase: performance and mechanism exploration
Scientists created a new material by combining PVC plastic waste with corn straw and iron oxide to make a magnetic filter that can remove lead and bisphenol A from water. The material worked well across a wide range of water conditions and could be reused multiple times. While focused on water cleanup technology, this research shows how recycled plastic waste can be repurposed to help address water contamination, including pollutants often associated with microplastics.
Use of ferrofluids in the removal of microplastics from waters
This paper explores using ferrofluids — magnetic fluids — as a method to remove microplastics from water. The approach leverages magnetic attraction to pull plastic particles from aquatic environments, offering a potential new tool for water treatment that could reduce plastic exposure for aquatic organisms and humans.
Comparison of ferrate(VI) and Fenton process for removal of microplastics from aqueous media
This Croatian-language study compares ferrate(VI) and Fenton oxidation processes for removing microplastics from water, evaluating which treatment is more effective. Understanding the efficiency of chemical treatment methods is important for developing water purification systems that can eliminate plastic particles before they reach consumers.
Effective removal of Micro- and nanoplastics from water using Iron oxide nanoparticles: Mechanisms and optimization
Researchers developed a magnetic separation method using iron oxide nanoparticles to remove micro- and nanoplastics from water, achieving up to 95% removal efficiency within just 20 minutes. The technique works through hydrophobic interactions between the iron oxide particles and plastic surfaces, and was particularly effective for smaller nanoplastics. The method offers a relatively simple, rapid, and cost-effective approach to filtering plastic particles from contaminated water.
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.
Identifying microplastic contamination in drinking water: analysis and evaluation using spectroscopic methods
Researchers developed analytical methods to identify and quantify microplastic contamination in drinking water, evaluating extraction efficiency and detection accuracy across different water types and plastic particle sizes. The study assessed health implications based on measured plastic loads in treated water.
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.