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Clay tablet purifies water for months

clay tablets

A ceramic tablet infused with silver or copper nanoparticles can disinfect water for up to six months.

Called MadiDrop, the tablets are being developed for use in communities in South Africa that have little to no access to water.

PureMadi, a nonprofit University of Virginia organization, invented the tablet and has established a water filter factory in Limpopo province, South Africa, employing local workers. The factory has produced several hundred flowerpot-like water filters that utilize the same technology as the tablets to purify water.

woman molds clay pot

Full story at Futurity.

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Photo credit: Rachel Schmidt

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