Articles tagged with Water Treatment
Scientists have developed a bioinspired material that enhances lithium-ion extraction by controlling interlayer spacing and achieving stable ordered nanostructures. The new membrane shows higher toughness and efficiently controls Li+ permeation rate, outperforming other materials.
Researchers from NTU and SUTD review recent efforts on 3D printing of spacers and membranes, highlighting its potential to reduce dead zones and mitigate membrane fouling. They also introduce 'hybrid additive manufacturing' as a process combining 3D printing with other methods for fabricating membranes.
Researchers developed a low-cost, visible-light activated coating for water filtration membranes that breaks down foulants and renders the membrane clean. The coating increases photocatalytic efficiency under sunlight by 24-fold compared to regular titanium dioxide.
Researchers at UNIST have developed a novel catalyst for electrochemical chlorine generation, overcoming the drawbacks of existing metal oxide-based catalysts. The new catalyst, Pt1/CNT, exhibits high efficiency and selectivity for chlorine ions, enabling more efficient and affordable production.
A new UNSW study found that climate change and urbanization are expected to increase groundwater organic carbon, posing a threat to the quality and availability of drinking water for over half of the world's population. Increased groundwater DOC concentrations can lead to higher water treatment costs and health risks.
Researchers developed a new ecological degradation process for atrazine using nanostructured materials and sunlight. The process eliminates toxic by-products, but its efficiency is limited by the presence of suspended particles and certain species in real water samples.
A team of scientists has developed a locally growing algae species that can be used to extract cellulose nanofibers, forming paper sheets with tailored pore size for effective virus and bacteria removal. The filter has demonstrated excellent efficiency in lab and real-life tests.
An international team of researchers found that improving drinking water quality significantly reduces roundworm infections, with a 22% reduction when combined with sanitation and handwashing. The study suggests that sustainable approaches to disease control could be critical in tackling endemic infections.
A study by Bertram Skibinski and colleagues compared seven water treatment strategies to reduce disinfection byproducts in pool water. They found that coagulation and sand filtration combined with granular activated carbon filtration was the most effective approach, but new strategies are needed to completely remove DBPs.
Swedish water treatment plants have unique combinations of by-products, making it difficult to reduce health risks. Advanced technology detects new compounds, highlighting the need to discover effective ways to use chlorination while reducing exposure to unwanted by-products.
A team of Yale researchers has developed a novel, highly stable nanocoagulant that removes both suspended and dissolved contaminants from water in a single step. This breakthrough promises to significantly improve on centuries-old coagulant-based water treatment methods, addressing global water scarcity.
The journal publishes its first articles on technology, machine learning, waste water treatment, and remote sensing, addressing advances in these areas. All articles will be free to access during the first two years of publication.
A new study at University of Waterloo found that fear of guilt evokes feelings of doubt in decision-making, leading to indecisiveness and repetition in OCD patients. The study's results suggest that addressing this specific factor could improve treatment outcomes for individuals with Obsessive-Compulsive Disorder.
Researchers at the University of New South Wales have developed a world-first, graphene-based filter that can remove more than 99% of natural organic matter from drinking water. The filter uses graphene oxide membranes to allow high water flow at atmospheric pressure while removing virtually all organic matter.
Researchers at the University of Michigan found a Swiss cheese pattern in Flint's damaged drinking water pipes, revealing a significant amount of missing lead. The team estimated that each lead service line released 18 grams of lead during the 17 months the city received Flint River water.
Droplets can spontaneously climb a staircase with the help of wettability, a measure of how well a surface adheres to a liquid. The researchers found that a higher wettability gradient is needed for steeper steps and larger droplets.
Researchers create new material that can treat pollutants in water using sunlight, addressing a majority of contaminants. The material's reusability is now a challenge, as it deactivates after use.
A new multistate research project aims to educate fruit and vegetable growers on agricultural water treatment systems. The project will develop a curriculum to equip growers with knowledge to successfully implement water treatment systems, reducing the risk of foodborne pathogens.
A study in Kenya found that a simple voucher system can significantly reduce health product wastage without a significant decrease in usage. The system was more effective than charging money or free distribution in screening out those who would not use the products.
A study by Michigan State University found that scheduling irrigation according to plants' daily water use can reduce water applications by 22-28% and runoff volume by 36-67%, while decreasing nutrient loads. The technique also shows no negative impact on plant growth, offering a sustainable solution for nursery producers.
Researchers found high concentrations of endocrine-disrupting compounds in fish caught near wastewater treatment plants in the Basque Country, posing a risk to human health. The study suggests that improved treatment technologies are needed to mitigate this issue.
Researchers at Oregon State University have developed a platform to study the aqueous chemistry of aluminum, a crucial metal for human civilization. This breakthrough has the potential to unlock significant advances in electronics, manufacturing, agriculture, and drinking water treatment.
Researchers at Arizona State University are working on new methods for ensuring water safety in small communities. They aim to develop more effective treatment technologies using recent advances in technology, chemistry, physics, and materials science. The team will focus on reducing nitrates in water supplies using photocatalysts.
Researchers discovered that submerging azalea cuttings in 50°C water eliminates the deadly fungal disease. The study found that all 12 cultivars were tolerant of short submersion durations, making hot water treatment a viable alternative for disease control.
A new method for recycling perlite developed by Louisiana State University researcher Hanna Y. Hanna can save tomato growers a significant amount of money without reducing crop yield. The method, which uses hot water treatment and minimal labor input, reduces recycling cost by up to 50%.
Parasitic protozoons like Cryptosporidium and Giardia can survive water treatment systems, posing a significant risk to human and animal health. The study highlights the need for better preventive measures, including protecting water sources, monitoring water quality, and implementing control plans.
Researchers detect five types of pharmaceuticals in Donana's waters, including anti-inflammatory drugs and hormones. The study suggests advanced technologies can remove these compounds from urban waste water.
Researchers have developed a new technique that combines hot water treatment, rachis removal, and modified atmosphere packaging to extend shelf life of table grapes. This alternative method maintains higher oxygen retention, lower carbon dioxide accumulation, and reduced microbial populations compared to conventional packing methods.
Scientists in China have developed a new coating made from silica nanoparticles that makes wool superhydrophilic, allowing it to absorb moisture and release perspiration. This innovation could improve the natural qualities of wool, such as its lightness, softness, and warmth, while also enhancing its functionality.
A study by Université de Montréal researchers found that Montreal's water treatment plants dump up to 90 times the critical amount of estrogen products into the river. The presence of these hormones can disrupt the endocrine system of fish and decrease their fertility, threatening aquatic ecosystems.
Researchers have developed a new technology using ozone and hydrogen peroxide to eliminate contaminants in water by advanced oxidation. The team created models for the degradation of various compounds and tested their efficacy in real-world scenarios.
Scientists are discovering that aquatic nanoparticles influence natural and engineered water chemistry differently than similar materials of a larger size. The review considers nanoparticles formed by natural processes in water and as unintended consequences of human activity, such as mining or water treatment.
A water filtration technique that combines activated carbon with membrane filters has been found to remove at least 95% of microcystin-lr, a toxin secreted by blue-green algae found in lakes and rivers. The technique outperformed other methods, including ultrafiltration membranes, which struggled to remove the toxin due to its small size.
A Virginia Tech student has made significant discoveries about air bubbles in drinking water, which can interfere with treatment processes and lead to pathogen contamination. The research is being used to identify problems at two California water treatment plants and has the potential to prevent water-borne diseases.
Researchers at CSIRO Australia have developed a new preservative treatment method using supercritical carbon dioxide, which penetrates wood more effectively than conventional techniques. This process offers environmental and economic benefits, including reduced capital costs and no residual solvent problems.