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61,005 resultsShowing papers similar to Removal of polystyrene microplastics from wastewater by Ti–Al electrode electrocoagulation under pulse current: Efficiency and mechanism
ClearEvaluating the performance of electrocoagulation system in the removal of polystyrene microplastics from water
Researchers tested electrocoagulation, a water treatment method that uses electric current to clump particles together, for removing polystyrene microplastics from water. Using aluminum electrodes at neutral pH, they achieved over 90% removal efficiency. This technology could provide a practical and effective way to remove microplastics from drinking water and wastewater, reducing human exposure to these contaminants.
Efficient removal of nanoplastics from synthetic wastewater using electrocoagulation
Researchers demonstrated that electrocoagulation using aluminum electrodes can remove more than 95% of polystyrene nanoplastics from synthetic wastewater, offering a promising treatment upgrade for conventional wastewater plants that currently allow nanoplastics to pass through.
Electrocoagulation Assessment to Remove Micropolystyrene Particles in Wastewater
Researchers evaluated the use of electrocoagulation for removing micropolystyrene particles from synthetic wastewater, testing variables like electrode material, current density, and particle size. They found that the process was effective at removing microplastics, with aluminum electrodes and higher current densities achieving the best results. The study supports electrocoagulation as a viable treatment technology for reducing microplastic loads in wastewater.
Comparative Analysis of Electrochemical Oxidation and Biodegradation for Microplastic Removal in Wastewater
Researchers compared electrochemical oxidation and biodegradation for removing polystyrene microplastics from wastewater, finding that electrochemical oxidation achieved superior removal efficiency and could serve as a more effective treatment pathway at wastewater treatment plants.
Degradation of microplastics by electrocoagulation technology: Combination oxidation and flocculation effects
Researchers evaluated electrocoagulation technology for removing four common types of microplastics from water and discovered that the process works through both oxidation and flocculation mechanisms. Flocculation accounted for the majority of removal (69-77%), while electrochemical oxidation via hydroxyl radicals contributed an additional 8-21% depending on the plastic type. The study found that PVC and polypropylene were removed most effectively due to their hydrophilic properties, and a neutral pH of 7 provided the best balance between the two removal mechanisms.
Removal of microplastics by electrocoagulation
Researchers investigated electrocoagulation (EC) as a microplastic removal method using a fractional factorial design to evaluate electrode type, contact time, agitation speed, and current density, finding that an aluminum anode at 20 A/m2 and 70 rpm achieved 98.04% microplastic removal within 15 minutes with high model accuracy (R2 = 0.99).
Destabilization of polystyrene nanoplastics with different surface charge and particle size by Fe electrocoagulation
Researchers tested iron electrocoagulation for removing nanoplastics from water and found it removed up to 85% of negatively charged polystyrene nanoparticles at neutral pH, with removal efficiency declining for larger particles and dropping sharply for positively charged nanoplastics due to insufficient iron floc formation.
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.
Enhanced Removal of Polystyrene Microplastics from Water Through Coagulation Using Polyaluminum Ferric Chloride with Coagulant Aids
Researchers tested enhanced coagulation using modified coagulants to remove polystyrene microplastics from water, finding that surface-modified coagulants achieved significantly higher removal efficiencies than conventional alum. Removal reached over 90% under optimized conditions, demonstrating a practical upgrade pathway for conventional water treatment plants to reduce microplastic discharge.
Effective degradation of polystyrene microplastics by Ti/La/Co-Sb-SnO2 anodes: Enhanced electrocatalytic stability and electrode lifespan
Researchers developed a new electrode that can break down polystyrene microplastics in water through an electrical process called electrocatalytic oxidation. By adding cobalt as an intermediate layer, they significantly extended the electrode's lifespan without sacrificing its ability to degrade microplastics. The study suggests this technology could offer a practical and durable method for removing microplastic pollution from water.
Reduction of Microplastic in Wastewater Via Electrocoagulation Process
This review examines how electrocoagulation, a water treatment process that uses electrical current to clump contaminants together, can remove microplastics from wastewater. Researchers found that the technique can achieve high removal rates for various types and sizes of microplastic particles. The study highlights electrocoagulation as a promising and relatively simple addition to conventional wastewater treatment for addressing microplastic pollution.
New insights into the fate and interaction mechanisms of hydrolyzed aluminum-titanium species in the removal of aged polystyrene
Researchers investigated the interaction between polyaluminum-titanium chloride composite coagulant species and aged polystyrene microplastics, revealing how species transformation during coagulation affects the removal efficiency of microplastics from water.
Uncovering the performance and intrinsic mechanism of different hydrolyzed AlTi species in polystyrene nanoplastics coagulation
Researchers systematically compared how different aluminum-titanium coagulant species remove nanoplastics from water, finding that polymeric AlTi species outperform monomeric ones by achieving 95% turbidity removal at lower doses through a combination of charge neutralization and chemical complexation with the nanoplastic surface.
Advanced polystyrene nanoplastic remediation through electro-Fenton process: Degradation mechanisms and pathways
Researchers developed a new method using an electro-Fenton process with a copper-cobalt catalyst to break down polystyrene nanoplastics in water, achieving nearly 95% removal efficiency. The system generates powerful molecules called hydroxyl radicals that chemically decompose the plastic particles. While this is a laboratory-scale study, it demonstrates a promising technology that could help remove nanoplastics from drinking water and wastewater.
Removal of Microplastics from Wastewater Treatment Plants by Coagulation
Researchers tested coagulation-based methods for removing microplastics from wastewater using polyaluminum chloride and polyferric sulfate, with and without polyacrylamide additives. The best results came from combining polyaluminum chloride with cationic polyacrylamide, which achieved 87.5% removal of polystyrene microplastics. The study suggests that cationic polyacrylamide works especially well because of electrostatic interactions with negatively charged microplastic particles.
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.
Treatment of microplastics in water by anodic oxidation: A case study for polystyrene
Anodic oxidation (electrooxidation) was tested as a method for degrading polystyrene microplastics suspended in water. The electrochemical treatment showed progressive microplastic degradation, demonstrating potential for electrooxidation as a water treatment approach targeting suspended plastic particles.
Examining Current and Future Applications of Electrocoagulation in Wastewater Treatment
This review provides a comprehensive look at electrocoagulation, an electricity-based water treatment technique that can remove a wide range of pollutants including microplastics from wastewater. The analysis covers decades of research showing the method is effective, relatively low-cost, and environmentally friendly compared to chemical treatments. The authors identify microplastic removal as one of the promising newer applications of this technology.
Removal of Microbeads from Wastewater Using Electrocoagulation
Researchers tested electrocoagulation as a method for removing microbeads from wastewater, finding it effectively reduced microbead concentrations and offering it as a promising complement to conventional wastewater treatment technologies.
Enhancing the aging of polystyrene microplastics through a flow-through electrochemical membrane system: Mechanism of confinement effect
Engineers developed a new electrochemical membrane system that can both filter out and break down polystyrene microplastics in water, using 3.7 times less energy than previous methods. The technology works by trapping microplastics against an electrode surface where free radicals attack and degrade the plastic, offering a more efficient approach to removing these persistent pollutants from water supplies.
Chemical Coagulation Applied for the Removal of Polyethylene and Expanded Polystyrene Microplastics
Researchers evaluated the use of aluminum sulfate-based coagulation and flocculation processes for removing polyethylene and expanded polystyrene microplastics from water. The study used factorial experimental designs to optimize treatment conditions including coagulant dosage and pH, demonstrating the potential of chemical coagulation as a microplastic removal strategy.
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.
Effect of Electrode Distance, Stirring Speed and Contact Time on Removal of Polyethylene Microplastics (Microbeads) Using Electrocoagulation Method
This study evaluated electrocoagulation with aluminum electrodes for removing polyethylene microbeads from water, testing the effects of electrode distance, stirring speed, and contact time. The optimized conditions achieved high removal efficiency, demonstrating electrocoagulation as a viable method for microbead-containing greywater treatment.
Analysis of The Effect of Aluminum Electrode Geometry on The Removal of Polyethylene Microbeads Using The Electrocoagulation Method in Greywater
Researchers developed and tested a cylindrical electrode geometry design for electrocoagulation to remove polyethylene microbeads from greywater, examining how aluminum electrode geometry affects removal efficiency of the small, low-density microbeads that pass through conventional wastewater treatment.