South Africa Develops Cheap Tea Bag That Purifies Water
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(No Ratings Yet) Loading ...By Shamsydeen Badmus
Published: August 21, 2010
South Africa Develops Cheap Tea Bag That Purifies Water
By Shamsydeen Badmus
Researchers at a South African university have developed a tea bag that sucks up toxic contamination from highly polluted water to make it safe to drink. Science news website SciDev.Net reported on Thursday that the new filter has been successfully tested on river samples and could be on the market in the next few months if approved by the South African Bureau of Standards. The sachets developed at Stellenbosch University are made from the same material used in the popular rooibos tea bags. However, the bags contains ultra-thin nanoscale fibres that filter out contaminants and active carbon granules that kill bacteria. The disposable tea bags, which are cheap to make, can be fitted to the neck of water bottles and are capable of purifying one litre of polluted water.
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