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61,005 resultsShowing papers similar to Tribo-Electrostatic Separation Analysis of a Beneficial Solution in the Recycling of Mixed Poly(Ethylene Terephthalate) and High-Density Polyethylene
ClearAssessment of the Electrostatic Separation Effectiveness of Plastic Waste Using a Vision System
Researchers developed an electrostatic separation method for sorting mixed plastic waste by polymer type, providing a faster way to assess the quality of plastic separation in recycling processes. Improved plastic sorting and recycling efficiency is key to reducing the amount of mixed plastic waste that eventually breaks down into microplastics.
A new approach in separating microplastics from environmental samples based on their electrostatic behavior
Researchers developed a novel electrostatic separation method to isolate microplastics from environmental matrices based on differences in electrostatic behavior between plastic particles and natural materials. The technique offers a low-cost, chemical-free approach to microplastic extraction that could complement or replace existing density separation methods in some applications.
Utilizing Electrosorptionfor Efficient Removal ofPolyethylene Microplastics from Water: Critical Factors and MechanisticInsights
An electrosorption method was developed to remove polyethylene microplastics from wastewater, demonstrating improved removal efficiency compared to conventional treatment, especially for smaller particles that typically escape standard wastewater treatment plants.
Study on PET Recovery from Polymeric Mixtures, Using the Floatation Technique, and Valorization of the Collected Particles by Dyeing Them
Researchers developed and tested a flotation-based process to separate PET plastic flakes from mixed polymer waste, then tested whether the recovered PET could be dyed for reuse as textile fiber. Improving the purity and value of recycled PET reduces the amount of plastic that ends up in environments where it fragments into microplastics.
Evaluation of Electrostatic Separation of Microplastics From Mineral-Rich Environmental Samples
This study evaluated electrostatic separation as a technique for extracting microplastics from mineral-rich environmental samples like soil and sediment, finding that recovery rates varied significantly by polymer type. Electrostatic separation shows promise for processing large sample volumes but requires further optimization before it can be reliably used for routine microplastic monitoring.
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.
Enhanced density separation efficiency of microplastics in presence of nonionic surfactants
Scientists improved the density-separation technique for sorting mixed microplastics by adding nonionic surfactants, boosting the purity of separated polymer types from as low as 69% to up to 96%. Better sorting methods are essential for both accurately measuring microplastic contamination and enabling recycling of plastic waste streams.
Separation of plastic mixtures by sink-float combined with froth flotation
Researchers separated a six-component post-consumer plastic mixture (PS, PMMA, PVC, PET) by combining sink-float density separation with froth flotation, demonstrating that the hybrid method achieved cleaner separation of overlapping-density polymers than either technique alone.
Assessing the efficacy of electrocoagulation process for polypropylene microplastics removal from wastewater: Optimization through TOPSIS approach
Researchers evaluated electrocoagulation as a method for removing polypropylene microplastics from wastewater, testing different electrode materials and operating conditions. They found that using aluminum electrodes achieved up to 95.5% microplastic removal efficiency with relatively low energy consumption. The study suggests that electrocoagulation is a practical and cost-effective treatment option that could complement existing wastewater treatment processes.
Utilizing Electrosorption for Efficient Removal of Polyethylene Microplastics from Water: Critical Factors and Mechanistic Insights
Researchers developed an electrosorption method using graphite felt electrodes to remove tiny polyethylene microplastics from water. By optimizing voltage, flow rate, and salt concentration, they achieved a removal efficiency of nearly 97%. The study lays groundwork for a scalable technology that could help capture microplastics that slip through conventional wastewater treatment systems.
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.
Strategies for Electrochemical Recycling of Plastic Polyethylene Terephthalate‐Derived Ethylene Glycol Into High‐Value Chemicals
This paper reviews new methods for recycling PET plastic waste, the most common plastic in bottles and packaging, using electricity from renewable sources. By converting PET-derived chemicals into high-value products through electrocatalysis, this approach could help reduce both plastic pollution and microplastic contamination in the environment.
Stepwise flotation separation of WEEE plastics by polymeric aluminum chloride towards source control of microplastics
Researchers developed a stepwise flotation separation process using polymeric aluminum chloride to sort and recover mixed plastics from waste electrical and electronic equipment (WEEE), demonstrating improved separation efficiency and positioning the approach as a strategy to reduce microplastic pollution from e-waste mismanagement.
Recent Advances on Density Separation Techniques for Microplastic Recovery from Sediments
This review summarises recent advances in density separation techniques for extracting microplastics from sediments, evaluating the effectiveness of different salt solutions and comparing novel approaches such as electrostatic separation and pressurised fluid extraction against conventional methods.
Mechanochemical and Mechanobiological Recycling of Postconsumer Polyethylene terephthalate (PET) Plastics under Microwave irradiation: A comparative study.
Researchers developed a rapid mechanical pretreatment using microwave irradiation to improve PET plastic recycling under mild, environmentally friendly conditions. More efficient PET recycling reduces the amount that ends up in landfills or the environment, where it breaks down into microplastics.
A focused review on recycling and hydrolysis techniques of polyethylene terephthalate
This review examines techniques for recycling polyethylene terephthalate (PET), one of the most common plastics found as microplastic pollution. Chemical recycling through hydrolysis shows the most promise for breaking PET back into its original building blocks for reuse. Improving PET recycling is important because reducing plastic waste at the source is one of the most effective ways to decrease microplastic contamination in the environment.
Size and Shape Distribution of Microplastics in PET Recycled Wastewater and Their Removal Behavior during the Coagulation–Flocculation Process
Researchers investigated the size and shape distribution of microplastics in wastewater from a PET recycling facility and evaluated removal efficiency through coagulation-flocculation, finding that fragment-shaped and medium-sized particles were most abundant and most effectively removed. The study demonstrates that coagulation-flocculation is a strong candidate for controlling microplastic release from plastic recycling facilities.
A clean and efficient flotation towards recovery of hazardous polyvinyl chloride and polycarbonate microplastics through selective aluminum coating: Process, mechanism, and optimization
Polyvinyl chloride (PVC) and polycarbonate (PC) microplastics are hazardous due to their chemical content but are difficult to separate for recycling. Researchers developed a flotation method using aluminum coating that cleanly separates these two plastic types.
Title Perniciousness of microplastics in the ocean and electrocoagulation in microplastic removal in effluent treatmentprocess.
This report reviews the environmental harm of ocean microplastics and evaluates electrocoagulation as a wastewater treatment technology for microplastic removal, examining its dissolution, coagulation, and flocculation mechanisms and the factors affecting its efficiency.
Bidimensional Dynamic Magnetic Levitation: Sequential Separation of Microplastics by Density and Size
Researchers developed a two-dimensional dynamic magnetic levitation technique that simultaneously separates microplastics by both material density and particle size in a single step. The 2D-MagLev method addresses a key gap in microplastic sample preparation by resolving mixtures of plastics that differ in both polymer type and particle dimensions.
Comparison of Different Procedures for Separating Microplastics from Sediments
Researchers compared three different methodologies for separating dense microplastics from fine sediments, finding significant differences in recovery rates and identifying contamination risks during the separation procedures.
Environmental aspects of restoring the environment: nanotechnology for removing micro and nanoplastics from water
Researchers developed a plasma chemical water purification method that combines modified humic substances with high-voltage electrical discharge to aggregate and magnetically remove micro- and nanoplastics from contaminated water. Tested on wastewater from a printing facility, the method outperformed conventional sorption or plasma treatment alone and showed promise for simultaneously removing plastics, heavy metals, and organic pollutants. This offers a potentially scalable technology for treating industrial wastewater sources that are currently releasing nanoplastics to the environment.
Not all microplastics are created equal. Quantifying efficacy bias and validation of density separation methods
Researchers evaluated and validated density separation methods for extracting microplastics from environmental matrices, quantifying efficacy bias across different polymer types with varying densities. They found that recovery rates differ substantially depending on polymer density relative to the separation solution, introducing systematic bias in microplastic concentration estimates across studies.
A novel, highly efficient method for the separation and quantification of plastic particles in sediments of aquatic environments
Researchers improved a density separation method for isolating microplastics from aquatic sediments, achieving higher recovery rates and reducing processing time compared to earlier approaches. The validated method was designed to be reproducible and cost-effective, addressing the need for reliable standardized protocols in microplastic monitoring.