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Papers
61,005 resultsShowing papers similar to Saving Energy in Biological Wastewater Treatment by Using Extremely Low-Frequency Electric Field—Pilot-Scale Study
ClearEvaluating Microplastic Effects on Performance and Electrochemistry of Microbial Fuel Cells for Wastewater Treatment
Researchers evaluated how microplastics affect the performance of microbial fuel cells used for wastewater treatment. They found that low concentrations of microplastics actually improved chemical oxygen demand reduction and power production compared to wastewater without microplastics. However, at higher concentrations the beneficial effects diminished, suggesting that microplastic levels in wastewater could influence the efficiency of bioelectrochemical treatment systems.
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.
Wastewater Treatment Using Active Microorganisms and Evaluation of Results
This paper is not relevant to microplastics research — it evaluates the effectiveness of active microorganism (EM) technology for wastewater treatment, measuring heavy metal reduction and water quality parameters.
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.
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.
Behavior of Microorganisms from Wastewater Treatments in Extremely Low-Frequency Electric Field
The metabolism of activated sludge microorganisms from domestic wastewater treatment was characterized under extremely low-frequency electric field exposure using dielectric spectroscopy, identifying four characteristic frequencies at which the electric field significantly altered microbial activity.
Recent Developments in the Application of Ultrasonication in Pre-Treatment of Municipal Sewage Sludge
Not relevant to microplastics — this paper reviews ultrasonication as a pre-treatment method for municipal sewage sludge to improve anaerobic digestion efficiency, with no focus on plastic contamination.
The exploitation of bio-electrochemical system and microplastics removal: Possibilities and perspectives
This review explores bio-electrochemical systems as a sustainable alternative for removing microplastics from water, since current removal methods are costly, energy-intensive, and can release toxic chemicals. Bio-electrochemical systems use microorganisms to generate electricity while simultaneously treating wastewater, offering a cleaner approach. Though still in early research stages, this technology could provide an efficient and environmentally friendly way to reduce microplastic contamination in water supplies.
Electric stimulation mitigated the mixed microplastic inhibition to anaerobic digestion during wastewater treatment
Researchers found that a mixture of common microplastics significantly inhibited methane production and pollutant removal during anaerobic wastewater treatment. By applying a mild electrical current through a process called microbial electrosynthesis, they were able to partially restore the system's performance by boosting microbial activity and electron transfer. The study suggests that electrical stimulation could be a practical tool for maintaining wastewater treatment efficiency in the presence of microplastic contamination.
Evaluation of Using Sequential Electrocoagulation and Chemical Coagulation for Urea Removal from Synthetic and Domestic Wastewater
Not relevant to microplastics — this study evaluates electrocoagulation and chemical coagulation techniques for removing urea from wastewater to prevent eutrophication, with no focus on plastic pollution.
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.
Bioelectrochemical anaerobic digestion mitigates microplastic pollution and promotes methane recovery of wastewater treatment in biofilm system
Researchers found that bioelectrochemical systems can simultaneously break down microplastics in wastewater and recover methane gas for energy. The systems enhanced the degradation of polyethylene and polyvinyl chloride particles while maintaining healthy biofilm communities on the electrodes. The study suggests that combining electrochemistry with biological treatment could offer a practical approach to both microplastic removal and renewable energy recovery from wastewater.
Fundamental Study of the Removal of Microplastic Fibers Using Swirling Flow and Magnetic Field
Researchers developed a method combining swirling water flow and a magnetic field to remove microplastic fibers from laundry wastewater. The approach was effective at capturing fiber-shaped microplastics that typically pass through conventional sewage treatment, helping prevent them from entering waterways.
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.
Enhancing Microplastics Removal from Wastewater Using Electro-Coagulation and Granule-Activated Carbon with Thermal Regeneration
Combining electrocoagulation with granular activated carbon treatment significantly improved microplastic removal from wastewater compared to standard treatment, achieving removal efficiencies above 95% and offering a feasible enhancement for sewage treatment plants.
A Comprehensive Review of the Developments in Electrocoagulation for the Removal of Contaminants from Wastewater
This comprehensive review covers electrocoagulation, an emerging water treatment technology that uses electrical current to remove pollutants including microplastics from wastewater. The method offers advantages like smaller equipment size, simpler operation, and lower chemical use compared to traditional approaches. As concerns about microplastics in water grow, electrocoagulation represents a promising tool for cleaner water treatment.
Do Microplastics Affect Biological Wastewater Treatment Performance? Implications from Bacterial Activity Experiments
Researchers tested the effects of polyester, polyethylene, and polyvinylchloride microplastics at concentrations of 50-10,000 particles/L on the activities of key wastewater treatment bacteria, finding no statistically significant differences in the activity of ammonium-oxidising bacteria, nitrite-oxidising bacteria, denitrifiers, or polyphosphate-accumulating organisms. The study concludes that microplastics at tested concentrations do not meaningfully impair biological wastewater treatment performance.
Identification, removal of microplastics and surfactants from laundry wastewater using electrocoagulation method
Laundry wastewater from a 2 kg synthetic fabric load released up to 114,300 microfibers per wash, and an electrocoagulation treatment removed roughly 98% of those fibers along with surfactants and organic load in about 25 minutes at a cost of US$0.53 per cubic meter. The results highlight both how significant laundry is as a microplastic source and that electrocoagulation is a cost-effective option for treating it before wastewater reaches natural waterways.
Investigation of the influence of polystyrene microplastics in wastewater on anode biofilm viability and electron transfer in microbial fuel cells performance
Researchers found that polystyrene microplastics in wastewater reduce the electricity-generating ability of microbial fuel cells — devices that use bacteria to turn waste into power — by disrupting the bacterial biofilms that transfer electrons to electrodes. Carbon-based electrodes were more resistant to microplastic interference than metal ones, suggesting material choice matters when designing systems treating microplastic-contaminated water.
Dye and Industrial Effluent Degradation to Reduce Phytotoxicity Employing Microplasma Technique
Not relevant to microplastics research; this paper studies the use of non-thermal microplasma (an electrical plasma technique, not microplastics) to break down industrial dye pollutants in wastewater.
A mini review of recent advances in environmentally friendly microplastic removal technologies in water systems
This review evaluates emerging low-energy approaches for removing microplastics from water, concluding that microalgae-based flocculation and triboelectricity-driven electrophoresis are the most promising environmentally friendly methods currently available. Applying these technologies as close as possible to contamination sources — such as inside wastewater treatment plants — minimizes energy use and prevents secondary pollution. The authors also stress that reducing plastic consumption remains the single most effective long-term strategy.
Characteristics of low-temperature plasma for activation of plastic-degrading microorganisms
Researchers optimized low-temperature plasma discharge conditions to activate plastic-degrading microorganisms without killing them, finding specific electrical frequency and pulse width settings that boosted microbial activity. This technique could accelerate biological plastic breakdown, offering a new tool in the fight against persistent microplastic pollution.
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.
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.