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 in the journal ACS Sustainable Chemistry & Engineering 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.
Read more: https://www.acs.org/content/acs/en/pressroom/presspacs/2016/acs-presspac-september-21-2016/coffee-infused-foam-removes-lead-from-contaminated-water.html?source=Snapzu