water purification nanoparticle News

  • Nanoparticles and light can purify water

    Scientists have used nanotechnology to develop a more efficient way of using light to purify water — even in the dark. Light is often used as a water purifier and existing methods rely on processes stimulated by ultraviolet (UV) light. But UV accounts for just five per cent of daylight so a method using visible light — which accounts for almost half — is more desirable. Now researchers from ...


    By SciDev.Net

  • Low energy water purification enabled by nanomaterial-coated sponges

    A low cost, low energy method to disinfect water using electricity has been developed by researchers by combining carbon nanotubes (CNTs) and silver nano-wires with existing materials. The technology has the potential to be used in portable disinfection devices in developing countries. Globally, an estimated 1.3 million children under five die every year from diarrhoeal diseases. Many of these ...


    By European Commission

  • Purifying water with Silica

    According to the European Union, a new water purification method is being developed that utilizes one of the most abundant substances on the planet, silica (SiO2).This simple and relatively cheap technology is capable of removing contaminants from water making it safe to drink and helping ensure that drinking water meets the standards of the European Drinking Water Directive. Provision of ...


    By GLOBE SERIES

  • ReportsnReports - Nanotechnology in Water Treatment

    Nanotechnology in Water Treatment  The global market for nanostructured products used in water treatment was worth an estimated $1.4 billion in 2010 and will grow at a compound annual growth rate (CAGR) of 9.7% during the next 5 years to reach a value of $2.2 billion in 2015. Most of the ...


  • Technique for arsenic-free water developed

    A novel approach to arsenic removal could lead to a quick and inexpensive purification of drinking water in developing countries. Previous research demonstrated that arsenic can be removed from water using activated carbon or iron minerals, such as magnetite nanocrystals. However, such particles are too small to be effective in flowing water and they quickly degrade when exposed to the ...


    By SciDev.Net

  • Cheap `nano-tablet` purifies water for up to six months

    Researchers have developed a water purification tablet comprised of nanoparticles that can be used by developing world communities with no access to clean water. The tablet, MadiDrop, invented by PureMadi — a non-profit organisation of the University of Virginia, United States — was presented at the organisation's ...


    By SciDev.Net

  • New silica method could reduce the cost of purifying drinking water

    Tiny particles of coated silica could be used to purify drinking water by removing harmful pollutants and pathogens. This simple and relatively cheap technology is capable of removing contaminants from water making it safe to drink and helping ensure that drinking water meets the standards of the European Drinking Water Directive. Provision of portable water is becoming a major socio-economic ...

  • Nanotech for water can help business innovate and grow, says scientist

    Developing world businesses must invest in nanotech research and development for clean water to stay ahead, says Mohamed Abdel-Mottaleb. Nanotechnology — technology that works on the scale of less than 100 nanometers — already has applications in water purification, ranging from nanomembranes for large-scale desalination plants to magnetic nanoparticles that remove pollutants from household ...


    By SciDev.Net

  • EPA awards more than $1 million to college teams for innovative environmental solutions

    The U.S. Environmental Protection Agency (EPA) awarded more than $1 million in grants to 15 university and college teams from across the country who participated in the 8th Annual National Sustainable Design Expo on the National Mall in Washington, D.C. for their innovative environmental solutions. EPA’s People, Prosperity and the Planet (P3) award competition was held at the expo, and ...

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