'Super Sand' Makes Water Safe to Drink

Rice University filtration idea might ease shortage of drinking water
By Sarah Whitmire,  Newser Staff
Posted Jul 2, 2011 11:36 AM CDT

(Newser) – Access to clean drinking water is not a new problem in the world, and neither is the solution offered by Rice University researchers: sand. Except theirs is an improved version. The regular stuff has long been used to filter water, but it doesn't do a very effective job. Cue "super sand." It is plain, old sand with a graphite oxide coating, and it can get rid of toxins that ordinary sand can't touch, reports Fast Company. The best part: Sand is cheap, graphite is cheap, and the process is relatively easy and can take place at room temperature. Check out the video in the gallery. (Read more Rice University stories.)

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