Archive for the ‘Water Filtration Technology’ Category

A Recipe For Clean Water Uses Coffee

Thursday, October 27th, 2016

Water filtration technology is very important in arid regions of the world, particularly in developing countries. A German engineering firm has introduced a water filtration system that relies on coffee grounds to purify water. When coffee grounds are placed in a clay cistern and that cistern is heated, the coffee grounds burn. The burnt grounds leave […]

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