We can't find the internet
Attempting to reconnect
Something went wrong!
Hang in there while we get back on track
Papers
61,005 resultsShowing papers similar to Experimental Investigation of the Influence of High-Frequency Standing Sound Waves on Depth Filtration Using Coarse-Pored Media
ClearAn Experimental Investigation of the Influence of High-Frequency Standing Sound Waves on Depth Filtration Using Coarse-Pored Media
This engineering study tested whether high-frequency acoustic standing waves could improve filtration efficiency of coarse-pored filter media by forcing particles into planar agglomerates. The acoustic-assisted system achieved a significant reduction in large particle fraction in the outflow, demonstrating scalability potential for industrial microparticle removal applications.
Ultrasonic Acoustic Standing Waves for Efficient Microplastic Removal: a Scalable and Sustainable Approach to Wastewater Treatment
Researchers developed an ultrasonic acoustic standing wave system that concentrates microplastics for continuous filtration, demonstrating efficient particle removal in laboratory tests as a potentially scalable and energy-efficient alternative to conventional wastewater microplastic removal methods.
Acoustofluidics for Micro and Nanoplastics Enrichment towards Environmental and Drinking Water Monitoring : A Story of Sound and Soul
This review examines acoustofluidic technology -- which uses sound waves to manipulate particles -- as an approach for concentrating micro- and nanoplastics from environmental and drinking water samples for monitoring purposes. The authors argue that acoustofluidics offers a promising, non-invasive platform for microplastic enrichment prior to analysis.
Study of increasing the flow rate of acoustic separation in a circular tube for microplastics collection
Researchers investigated acoustic separation as a method to collect microplastics smaller than 300 micrometers from water inside circular tubes, finding that increasing flow rates is feasible to improve collection efficiency.
Separation of Microplastics from Blood Samples Using Traveling Surface Acoustic Waves
Researchers developed a microfluidic device that uses sound waves to separate microplastic particles from human blood samples. The device successfully isolated polystyrene microplastics of different sizes from blood cells, with separation efficiency influenced by power levels and flow rate. This technology could enable more accurate measurement of microplastics circulating in human blood, which is important for understanding their potential health effects.
A Novel Application of Ultrasound for Removal of Aqueous Microplastics
Researchers investigated bath-type ultrasonication as a novel method for removing microplastics from aqueous environments, reporting this as the first application of this technique for microplastic remediation. The ultrasound-based approach showed promise as an effective treatment strategy for addressing microplastic pollution in water systems.
EchoTilt: An Acoustofluidic Method for the Capture and Enrichment of Nanoplastics Directed Toward Drinking Water Monitoring
Researchers developed an acoustofluidic method called EchoTilt for capturing and enriching nanoplastics from water samples at high flow rates. The technique uses sound waves to trap particles as small as 25 nanometers in silica cluster grids, achieving a breakthrough in nanoplastic detection capability. The study demonstrates a promising approach for monitoring nanoplastic contamination in drinking water.
Rapid Sand Filtration Technique for Remediation of Microplastics
Researchers tested rapid sand filtration as a technique for removing microplastics from water, evaluating particle removal efficiency across different plastic sizes, shapes, and filter media. The technique achieved meaningful microplastic reduction and was proposed as a practical water treatment enhancement.
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.
The Effect of Filter Media Size and Loading Rate to Filter Performance of Removing Microplastics using Rapid Sand Filter
This study evaluated how filter media size and hydraulic loading rate affect rapid sand filter performance in removing microplastics from water. Smaller sand media (0.39 mm) and lower loading rates achieved greater MP removal, suggesting that optimizing these parameters can improve conventional water treatment for plastic particles.
Suspending droplets beyond the Rayleigh limit: The interplay of acoustic and gravity forces
This paper is not directly about microplastics; it studies the physics of acoustic levitation, specifically how droplets larger than the Rayleigh limit behave in standing sound waves — finding that acoustic power needed to suspend large droplets increases with droplet size due to competing gravity and acoustic forces.
Effect of Types and Depths of Media Filter to Reducing Turbidity Concentration
This study compared the effectiveness of silica and zeolite filter media at different depths for reducing water turbidity. Improved filtration methods for water treatment are relevant for microplastic removal, as similar rapid sand filtration approaches can capture plastic particles from drinking water.
Primary study of plastic micro fibre waste for sound absorption applications
Researchers evaluated plastic microfiber waste as a sound absorption material, finding it shows some acoustic performance potential. While focused on acoustic engineering, the study explores a possible end use for recycled plastic fiber waste that would otherwise contribute to microplastic pollution.
Performance of filters applied for removal of microplastics from water – testing methodology
Researchers tested deep-bed polypropylene filters and pleated cellulose filters for their ability to remove microplastics from water in a controlled laboratory setting. The study provides useful data for designing water filtration systems that can capture plastic particles before they reach consumers.
Rapid microfluidic acoustic sorting of Microplastics in synthetic seawater: A Design and Simulation Study
Researchers designed and simulated a microfluidic device using surface acoustic waves to separate and sort microplastics of different polymer types (polyethylene, polypropylene, and nylon) in synthetic seawater. While this is a simulation study, the approach shows promise for developing practical tools to capture and identify microplastics directly from marine water samples.
EchoTilt: An Acoustofluidic Method for the Capture and Enrichment of Nanoplastics towards Drinking Water Monitoring
An acoustofluidic method using tilted silica seed particle clusters successfully captured and enriched nanoplastics from 25 nm to 500 nm in drinking water at a flow rate of 5 mL/min, enabling size-dependent detection for water quality monitoring.
Investigations and comparison of a conventional sand filter and a modified sand filter for water purification.
This study compared the performance of conventional sand filters and modified sand filters for purifying drinking water. Improving the efficiency of sand filtration is relevant to microplastics research since enhanced sand filters have shown potential for removing microplastic particles from drinking water supplies.
Acoustofluidic localization of sparse particles on a piezoelectric resonant sensor for nanogram-scale mass measurements
An acoustofluidic device using piezoelectric resonance was developed to concentrate sparse particles including microplastics onto a sensor surface for nanogram-scale mass measurements, offering a compact platform for rapid in-field analysis of microplastic concentrations in environmental water samples.
Remediation of Pollutants using Ultrasound Induced Cavitation: “Nanostars in a Jar”
This study investigates ultrasound-induced cavitation as an advanced method for removing emerging contaminants — including microplastics, pharmaceuticals, and pesticides — from wastewater that conventional treatment plants cannot fully address. The technique shows promise as a complement to existing water treatment technologies.
Using Ultrasonic as a Disinfectant for Drinking Water Treatment Quality
Researchers evaluated ultrasonic treatment as a disinfection method for drinking water, testing its efficacy against bacterial pathogens and exploring its potential for degrading microplastic particles and pharmaceutical contaminants alongside its primary disinfection function.
Performance of rapid sand filter – single media to remove microplastics
This study evaluated the performance of a rapid sand filter as a single-media drinking water treatment step for microplastic removal, finding moderate removal efficiency that varied with particle size and filter operation parameters.
Echobeam: Acoustofluidic Cluster Analysis for Micro and Nanoplastic Identification Using Fluorescence and Raman Spectroscopy
Researchers used sound waves to concentrate and levitate clusters of micro- and nanoplastics from water samples, then identified multiple plastic types simultaneously using Raman spectroscopy — a light-based chemical fingerprinting method. The system captured particles as small as 50 nanometers at water-quality-relevant concentrations, representing a significant step toward fast, reliable monitoring of nanoplastics in drinking water.
Enhanced microplastic removal using a mini-hydrocyclone with microbubbles
Researchers improved microplastic separation from water by combining mini-hydrocyclones with microbubble injection, finding that the microbubbles reduced apparent microplastic density and substantially improved separation efficiency for particles with densities similar to water.
Development of a hybrid filter media for microplastic removal from wastewater
Researchers developed hybrid glass fiber filter media incorporating glass and electrospun polymer nanofibers—both blended into the matrix and applied as surface layers—to improve microplastic removal efficiency from wastewater compared to standard filtration media.