Clay tablet purifies water for months Clay tabletsouth africawater filter factorywater filters
A ceramic tablet infused with silver or copper nanoparticles can disinfect water for up to six months.
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.
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Photo credit: Rachel SchmidtPosted by Futurity