Sand is a cheap and easy to find water filter. It’s also not a very good water filter. But a new development–coating sand in graphite–could make it possible for everyone in the world to have easy ...

(Nanowerk News) Scientists have developed a way to transform ordinary sand — a mainstay filter material used to purify drinking water throughout the world — into a "super sand" with five times the ...

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Washington : Contaminated water can be cleaned much more effectively using a novel, cheap material, say researchers. Dubbed ""super sand "", it could become a low-cost way to purify water in the ...

When I think of sand I think of dirt, and when I think of dirt, I don’t think of clean water. But sand is used to filter water in lots of places. This “coated sand” developed by Rice researchers? It’s ...

The researchers used a simple method to coat sand grains with graphite oxide, creating a super sand that successfully removed mercury and a dye molecule from water. In the mercury test, ordinary sand ...

It might be the low-cost solution for water purification in the developing world Beds of sand are commonly used worldwide to purify water — and have been since ancient times — and researchers are ...

Scientists have developed a way to transform ordinary sand — a mainstay filter material used to purify drinking water throughout the world — into a "super sand" with five times the filtering capacity ...