Articles tagged with Filtration Systems
Researchers have developed a light-powered filter that maintains 99% filtration efficiency for a month and 95% for two months. The filter uses a coating that responds to light and heat, generating a continuous surface charge, making it reusable and self-cleaning.
Irrigated mountain hayfields act as large filtration systems, reducing nutrient concentrations in runoff and improving water quality. This study found that voluntary adoption of best management practices can effectively mitigate the impacts of agricultural nutrient use in mountain meadow hay systems.
Researchers found that biochar produced from malt spent rootlets can sharply increase E. coli retention in sand, offering a potential route to cleaner water and productive reuse of brewery waste. Adding more biochar changes how bacteria are retained, shifting from physical trapping to direct attachment.
Researchers at RMIT University have developed a new method for removing microplastics from wastewater, achieving removal rates of more than 90% through the use of microbubbles and nanobubbles. The approach is simple to implement and significantly increases plastic removal during primary treatment.
A new study evaluates four microbial aerosol samplers and finds that membrane filtration produces the highest collection efficiency for particles at or below one micrometer. The study suggests that choosing the right sampler is crucial for accurate airborne pathogen detection.
The study suggests that SGLT2 inhibitors can benefit patients with varying levels of kidney function and albuminuria. Routine use of these medications may lead to improved kidney outcomes across different patient groups.
Researchers developed a low-cost, durable DIY air cleaner that works as well as HEPA filters to clear indoor air pollutants. The Corsi-Rosenthal Box, comprising common HVAC filters, performed as well or better than comparable HEPA filters in removing particles from the air.
Researchers at Curtin University have developed a new technique to make glass water-repellent, creating a durable and environmentally friendly surface that can improve safety in vehicles and buildings. The process uses ultrasound to trigger a chemical reaction, forming a stable organic layer on the glass surface.
Researchers at the University of Houston have developed a new membrane that allows water to flow eight times faster while maintaining high salt rejection rates. This breakthrough could lead to more efficient and cost-effective desalination systems, lowering costs and increasing access to clean water.
Researchers at Ohio State University have developed a low-carbon system that transforms materials like plastics and agricultural waste into syngas, producing high-quality chemicals and fuels. The technology achieves a purity of around 90% in a process that takes only a few minutes.
Researchers unveiled an innovative system that outperforms conventional filtration methods by combining microbial electrochemical technologies with enhanced biodegradation processes. The biofilter demonstrates significant removal of pharmaceuticals and herbicides, altering their chirality to influence toxicity and biodegradability.
A new study by Boston University School of Public Health found that lower access to air conditioning increases the need for emergency care for wildfire smoke exposure. People living in areas with low air conditioning availability are at higher risk, especially children and the Black population.
The SNU researchers developed a comprehensive air purification system that removes fine dust, CO2, and volatile organic compounds using water-based purification. The system mimics the gas exchange principles of the human respiratory and circulatory systems, providing a sustainable alternative to existing filtration systems.
Binghamton University researchers have created artificial plants that can capture 90% of carbon dioxide from indoor air, reducing levels and generating oxygen. The plants use photosynthesis to drive the process, with an additional power generation capability of around 140 microwatts.
Researchers at the University of British Columbia have developed an all-in-one solution to remove and destroy PFAS substances, also known as 'forever chemicals,' from water supply. The system combines an activated carbon filter with a patented catalyst that traps and breaks down harmful chemicals into harmless components.
The NYU Abu Dhabi team has developed a new type of dual-faced membrane that effectively purifies water from contaminants and boasts strong antibacterial properties. The microwave-mediated synthesis method allows precise control over the membrane's properties, enabling efficient removal of pollutants.
Astronauts on spacewalks will have access to clean drinking water thanks to a novel urine collection and filtration system for spacesuits. The system recycles urine with an efficiency of 87% through forward and reverse osmosis, providing a continuous supply of potable water.
Households are willing to pay $156.84 annually for targeted home systems to remove PFAS, which is less than the cost of municipal-level treatment. Under-the-sink reverse osmosis filters are estimated to have a yearly total cost of around $100, including maintenance.
A research team at New Jersey Institute of Technology has developed a novel pre-treatment process to enhance the performance of existing GAC systems for PFAS removal. The approach involves adding a chemical that forms hydrophobic complexes with PFAS molecules, improving removal efficiency and cost-effectiveness.
The study, published in Cell Stem Cell, improves the growth of nephron progenitor cells (NPCs) using a chemical cocktail, enabling sustained growth in a simple 2-dimensional format. The breakthrough has potential for advancing kidney research and discovering new treatments.
Researchers at University of Texas at Austin developed a portable and affordable water filtration system that can catch up to 100% of particles larger than 10 nanometers. The device uses low-cost, sustainable materials and is easy to use, making it an attractive solution for improving freshwater availability in remote regions.
Researchers in Chile developed a prototype using microorganisms to remove VOCs and PAHs from indoor air, achieving efficiencies above 90%. The system can operate for 8 months without losing efficiency. This breakthrough offers a potentially low-cost solution to improve indoor air quality.
A systematic review of air filtration systems found little evidence to support their effectiveness in reducing the risk of viral infections. The study analyzed 32 studies and found no strong evidence that air treatment technologies can protect people from catching airborne respiratory or gastrointestinal infections.
Concentrations of potentially harmful chemical compounds in ISS dust exceed median values in US and Western European home floor dust. The study guides design and construction of future spacecraft by highlighting the importance of material choices.
Researchers at the University of California - Riverside have developed a low-cost technology using biochar to remove harmful compounds from reclaimed water, making it safe for agricultural reuse. The biochar-based polishing systems have shown promising results in removing antibiotics and resistant bacteria, potentially reducing the spr...
Researchers found both dryer types produce microfiber pollution, including water pollution from lint traps. Simple remedy is to clean lint filters and dispose of collected fibers as dry waste to reduce microfiber release.
A UC Riverside-led study finds nearly half of domestic well water users in the Central Valley live in disadvantaged communities with high manganese contamination rates. The highest concentrations are found in private, untreated well water systems, posing health risks to fetuses and children.
Researchers at City University of Hong Kong develop a self-charging electrostatic face mask that can continuously replenish its electrostatic charge through the user's breathing. The mask provides high-efficiency airborne particle removal with 95.8% effectiveness after 60 hours of testing.
Researchers used AI to design and test thousands of functional group patterns on a carbon nanotube pore, finding optimal arrangements that can filter out contaminants. The study demonstrates AI's potential in developing new types of water purification membranes.
A new study from the University of Surrey found that behaviour change campaigns and technology can significantly reduce air pollution in schools. Implementing these interventions can lead to a reduction in outdoor nitrogen dioxide exposure by up to 23% compared to business-as-usual activities.
A new study by USC researchers demonstrates that high-efficiency air filtration systems can significantly improve indoor air quality. Operating such systems with portable HEPA air purifiers can maximize the removal of tiny airborne particles, reducing COVID-19 transmission risk by up to tenfold.
Researchers found that antifouling membranes, which resist contaminant accumulation, cost less over their lifetimes than cheaper alternatives. This leads to reduced operating expenses for municipal wastewater facilities and desalination plants.
Researchers developed a desktop air curtain system that blocks all incoming aerosol particles, effective as an indirect barrier in healthcare settings. The device's blocking effect was tested on patients during blood collection, showing promising results.
Researchers tested two valved N95 masks and found one to be substantially better at filtering out respiratory particles than the other. The study suggests that valved masks should be avoided in public health settings.
A new study reveals that tumble drying a load of laundry releases comparable quantities of microfibres to those released during machine washing. Researchers found that using fabric conditioners and dryer sheets can significantly reduce microfibre release, while lint filters with smaller pores can trap larger masses.
Researchers developed new antimicrobial technology for air filters that can kill bacteria, fungi, and viruses in seconds. The treatment was tested on trains and found to be effective in killing SARS-CoV-2 and other viruses, including E. coli and C. albicans.
A new filtering technology inspired by biology can separate fluoride from chloride ions with twice the selectivity, potentially preventing waterborne diseases like fluorosis. The technology also has potential applications in industrial processes such as chemical production and mining.
A study of 157 healthcare workers in Ekaterinburg, Russia found that aspirating systems with HEPA filters reduced SARS-CoV-2 infection prevalence. Dental clinics using dry suction systems had higher infection rates compared to those utilizing semi-dry and fully filtered systems.
A new research project aims to improve air filtering in ambulances by mapping airflow patterns and installing effective filtration units. The project will provide flow maps from the ambulance interior under different driving conditions, enabling the optimised installation of filtration systems.
A new Duke University study found that many household filters are only partially effective at removing toxic perfluoroalkyl substances (PFAS) from drinking water. Activated-carbon filters removed an average of 73% of PFAS contaminants, while reverse osmosis filters and two-stage filters achieved near-complete removal.
Researchers studied manta ray filtration using physical modeling and CFD, discovering a novel non-clogging mechanism that resists clogging. The 'ricochet' separation process allows water to pass through while tiny particles are eaten, promising applications for industrial wastewater treatment and reducing microplastic pollution.
Researchers propose active sieving to fine-tune filtration systems for improved separation abilities. The technology could also filter molecules based on movement dynamics, opening a new avenue in membrane science.
A new hybrid filter membrane has been developed to remove heavy metals from water, including industrially relevant elements like lead and mercury. The membrane's efficiency is high, with over 99% of toxic substances bound in just a single pass.
Researchers found that a common air filter, photocatalytic oxidation (PCO), releases more dangerous chemicals than it removes, raising concerns about indoor air quality. The study's authors aim to develop new testing methods and energy-efficient technologies to improve building ventilation.
A new on-board air filtration system developed for school buses reduces exposure to vehicular pollutants by up to 88%, making it cleaner way to transport children. The HECA filtration system could protect the 25 million American children who commute on school buses nearly every day from harmful exposures.
Researchers from NC State University have developed low-cost filtration systems that filter out most bacteria in stormwater runoff by 96 percent. The systems, installed beneath sand dunes, show minimal impact on groundwater levels and effectively limit bacterial pollution.
A National Jewish Medical and Research Center study, funded by the EPA, investigates the effectiveness of HEPA filters and electrostatic air filtration systems in removing allergens and irritants from homes of children with asthma. The study aims to determine if these interventions can help lower asthma severity in some children.
The biotrickling filter technology uses naturally occurring microorganisms to metabolize air pollutants into harmless byproducts. It has been successfully tested at the Naval Air Station-North Island in San Diego, reducing HAP emissions from aircraft painting operations by up to 95%.
The Department of Energy has developed two breakthrough devices, ARSA and RASA, to detect nuclear detonations by analyzing the atmosphere for radioactive material. These systems enhance the ability of the US and international community to detect and confirm nuclear explosions.