High-speed filter uses electrified nanostructures to purify water at low cost

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Filtrage Eau

BANGLADESH, Kushita: Une femme utilisant un filtre produit localement. 20/09/2007. Suharto T.Hoque/AFP PHOTO.

Stanford researchers have developed a water-purifying filter that makes the process more than 80,000 times faster than existing filters. The key is coating the filter fabric – ordinary cotton – with nanotubes and silver nanowires, then electrifying it. The filter uses very little power, has no moving parts and could be used throughout the developing world.


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