Thursday, September 22, 2016

Coffee-infused foam removes lead from contaminated water

Coffee is one of the most popular drinks in the U.S., which makes for a perky population -- but it also creates a lot of used grounds. Scientists now report an innovative way to reduce this waste and help address another environmental problem. They have incorporated spent coffee grounds in a foam filter that can remove harmful lead and mercury from water.

from Geochemistry News -- ScienceDaily http://ift.tt/2d4G9PY
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