Articles tagged with Water Purification
The Procter & Gamble's Children's Safe Drinking Water program has provided over 6 billion quarts of clean drinking water to families in developing countries, saving an estimated 32,000 lives. The small water-purification sachets, the size of a fast-food ketchup packet, have been distributed in 71 countries.
Researchers at NUS have developed novel water purification methods using apple and tomato peels, showing promise for economically disadvantaged communities. The techniques can remove various pollutants from water, including dissolved organic and inorganic chemicals.
Research suggests that groundwater acts as a natural water filtration and purification system, removing excess nutrients and impurities from the earth's surface. The study highlights the need for better management of this critical resource to ensure clean drinking water and sustainable ecosystems.
Scientists have developed a method to generate steam using sunlight and nanoparticles, which can be used for purification of drinking water, sterilization of medical instruments, and sanitizing sewage. The approach produces steam with virtually no wasteful heating of the surrounding liquid, achieving an energy efficiency of 24%.
Researchers at the University of Cambridge have developed a new method to create nanoporous materials, which can be used for water purification and chemical sensors. The collective osmotic shock (COS) process enables the creation of porous structures with realistic industrial cross-over potential.
Scientists have found that minced banana peels can quickly remove toxic metals like lead and copper from river water. The banana peel purification apparatus can be reused up to 11 times without losing its effectiveness, making it a promising alternative to traditional methods.
Researchers at NIST have created a measurement technique that determines mechanical properties of near-nanoscale films, enabling better design for water purification systems. The study reveals chlorine causes progressive deterioration in membrane performance over time, contradicting previous assumptions.
Researchers at Virginia Tech have discovered how to manipulate Nafion's internal structure to enhance its applications in energy-related industrial fields. By analyzing the material's molecular motion and alignment, they found that stretching the material influences its conduction properties, enabling new designs for batteries and wate...
Researchers have discovered that minced banana peels can quickly and efficiently remove toxic metals like lead and copper from river water, outperforming other materials in the process. The discovery could provide a sustainable solution for water purification, especially in areas where access to clean drinking water is limited.
Researchers aim to create a sustainable water treatment process using moringa seed, which can kill bacteria and remove sediment from water. The system's success depends on optimizing the amount of moringa seed needed to achieve effective water purification without compromising its shelf life.
Researchers at D.J. Sanghvi College of Engineering have investigated various nanotechnology approaches for water purification, including nanofiltration and zeolite filtration membranes. These methods can effectively remove sediments, chemical effluents, charged particles, bacteria, and other pathogens from water.
The US Department of Homeland Security is developing portable water purification systems to address the global issue of dirty water, which claims over a million lives annually. Several companies are participating in the SECURE program, creating self-contained and self-powered systems that can be used in emergency situations.
A low-cost water purification technique using Moringa oleifera seeds can reduce bacterial contamination by 90-99.99% in untreated water. This technique has the potential to improve access to clean drinking water for millions of people in developing countries.
Researchers from Uppsala University have found that Moringa seed extracts can effectively remove particulate impurities from water through flocculation. The protein molecules in the seeds bind strongly to surfaces, causing contaminant particles to aggregate and be easily removed.
Blacksburg, VA-based Louis A. Madsen will focus on revealing new aspects of charged polymers in water purification and fuel cells through detailed analysis and computer modeling techniques. His project aims to improve the performance of advanced polymers for sustainable energy production and distribution.
Researchers at Purdue University have developed a new membrane technology that separates oil from water, achieving 98% separation efficiency. The filter works by attracting water while repelling oil, making it suitable for environmental cleanup and industrial applications.
Researchers propose using carbon nanotubes to replace conventional materials in water-purification systems due to their unique chemical properties. The technology could efficiently remove arsenic, fluoride, heavy metals and toxic organic chemicals from contaminated water.
Researchers are turning to advanced technologies like membrane bioreactors, nanoscale filtration, and desalination to provide clean water globally. A coordinated approach is needed to tackle complex water issues, with international cooperation key to addressing the crisis before it worsens.
Researchers have developed a nanotech approach using coated silica particles that can efficiently remove biological molecules, pathogens, and organic pollutants from water. This innovative method could help prevent disease and poisoning for millions of people worldwide.
The Nereda TM purification method uses oxygen-using bacterial granules to purify water, offering advantages over conventional processes in terms of space and energy requirements. This technology has been nominated for the Dutch Process Innovation Award and is currently being tested on a larger scale.
A tiny packet containing a grayish powder has been shown to dramatically reduce diarrheal deaths caused by contaminated water. The system, called PUR Purifier of Water, can kill deadly pathogens and remove toxic metals, and is now being distributed globally for free
UCF researchers have developed a portable method for producing safe drinking water from any source, including contaminated wastewater. The system uses naturally created nanoparticles to kill bacteria that foul membranes used in traditional water treatment methods.