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Papers
20 resultsShowing papers similar to Adsorption of plastics by static electricity for the purpose of collecting microplastics on beaches
ClearA 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.
Study of Micro-Plastics Separation From Sea Water With Electro-Magnetic Force
Researchers developed a method to remove microplastics from seawater using electromagnetic force, exploiting differences in electrical properties between plastics and water. The technique shows potential as a physical removal approach that avoids adding chemical agents to the marine environment.
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.
Preliminary evaluation of properties and performance of natural rubber (NR) latex band for microplastic capturing in seawater
Researchers explored using natural rubber latex bands to capture microplastic particles from seawater through surface charge interactions. By adjusting the rubber formulation and applying mechanical stretching, they enhanced the electrostatic properties of the bands to attract charged microplastic particles. The study presents a preliminary proof of concept for a low-cost, biodegradable approach to microplastic removal from water.
Development and evaluation of an air filtration system combining Electrostatic Precipitators for airborne microplastics
Researchers designed and evaluated an electrostatic precipitator-based air filtration system specifically targeting airborne microplastics. The system demonstrated effective capture of microplastic particles from indoor air, offering a practical engineering solution to reduce human inhalation exposure.
Tribo-Electrostatic Separation Analysis of a Beneficial Solution in the Recycling of Mixed Poly(Ethylene Terephthalate) and High-Density Polyethylene
Researchers optimized an electrostatic separation process for sorting PET and HDPE plastic particles, testing how different parameters affect separation efficiency for recycling. Improving plastic sorting technology is key to increasing recycling rates and reducing the amount of plastic waste that ultimately degrades into environmental microplastics.
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.
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.
Electrification of wind-blown microplastics and its implication for transport of floating microplastics in air
Wind tunnel experiments showed that wind-blown microplastic particles accumulate electrical charges ranging from −1.05 to +6.89 pC, with relative humidity and particle size controlling charge magnitude and polarity, which affects how far microplastics can travel in air.
Development and evaluation of an air filtration system combining Electrostatic Precipitators for airborne microplastics
This study developed and tested an air filtration system combining electrostatic precipitators to capture airborne microplastics in indoor environments. Testing confirmed the system could efficiently remove microplastic particles, presenting a promising tool for reducing indoor inhalation exposure.
Characteristics of Floating Micro-particle Collection Efficiency According to Gas Flow Conditions in the Channel
This study tested electrostatic precipitators as a method for capturing airborne microplastic particles, achieving up to 94.3% collection efficiency by optimizing electrode spacing and injection pressure. The findings provide baseline engineering data for developing practical air filtration systems to remove microplastics from indoor or workplace air, which is important given growing evidence that humans regularly inhale plastic particles.
Assessment 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.
Novel extraction and separation method reveals high quantities of microplastics in Hawaiian beach sand
Researchers developed two novel devices — the Buoyancy Separation Device and the Trash Time Machine — to extract microplastics from Hawaiian beach sand and plant matter, achieving 99.99% removal efficiency and documenting high plastic concentrations at Kahuku Beach in the James Campbell National Wildlife Refuge on Oahu.
Novel extraction and separation method reveals high quantities of microplastics in Hawaiian beach sand
Researchers developed two novel devices — the Buoyancy Separation Device and the Trash Time Machine — to extract microplastics from Hawaiian beach sand and plant matter, achieving 99.99% removal efficiency and documenting high plastic concentrations at Kahuku Beach in the James Campbell National Wildlife Refuge on Oahu.
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.
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.
Title Perniciousness of microplastics in the ocean and electrocoagulation in microplastic removal in effluent treatment process
This study reviewed the environmental harms of microplastics in the ocean and assessed electrocoagulation as a removal technology for wastewater treatment. Electrocoagulation showed promise as an effective and scalable method for removing microplastics from wastewater before ocean discharge.
Filtration of microplastic spheres by biochar: removal efficiency and immobilisation mechanisms
Researchers tested biochar as a low-cost filter material for removing microplastic spheres from water, finding effective removal and identifying electrostatic attraction and physical entrapment as the main immobilization mechanisms.
Development of Garbage Collecting Robot for Marine Microplastics
This paper describes the design of a robot intended to collect microplastics from beaches, addressing the practical challenge that hand collection of scattered, tiny plastic particles is impractical at scale. Laboratory experiments characterized how sand behaves under the robot's excavation mechanism, providing engineering data for building autonomous marine microplastic cleanup devices.
Microplastic Collection With Ultra-High Magnetic Field Magnet by Magnetic Separation
Ultra-high magnetic field magnets were evaluated for collecting microplastics from ocean water through magnetic separation, offering a high-throughput processing approach that could complement existing microplastic cleanup technologies targeting the SDG goal of reducing ocean pollution.