Scientists have developed a way to chemically transform ordinary sand into so-called 'super sand' for improved purification of drinking water.

Ordinary sand, an abundant natural resource of the earth, is a preferred filter material used throughout the world to purify drinking water from municipal water supplies to small domestic water filters, particularly as packed bed filters.

The new method transforms the regular sand into a 'super sand' with five times the filtering capacity, according to a report in the journal Applied Materials & Interfaces published by the American Chemical Society (ACS).

http://www.deccanchronicle.com/channels/sci-tech/future/super-sand-purify-drinking-water-212
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This is really a great discovery.Thanks for sharing the information.
yes sand is used to purify the water. It is an old method.
Discoveries like this is a boon to mankind and it is a great one...
Sand has been used from ancient times for filteration of water by way of sedimentation etc.The link contains great contents.Thanks for sharing.

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A very good innovation for getting purified water to all in the world.

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In olden days sand was considered to be a good filter, and many use to wash hands with sand

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The scientists are slow they are knowing now that the old methods are the gold methods.

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