water remediation tagged posts

Spent Coffee Bioelastomeric Composite Foams ( 60 wt % of spent coffee powder and 40 wt % of silicone elastomer using the sugar leaching technique) for the Removal of Pb2+ and Hg2+ from Water

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. Restaurants, the beverage industry and people in their homes produce millions of tons of used coffee grounds every year worldwide, according to researcher Despina Fragouli.

While much of the used grounds go to landfills, some of them are applied as fertilizer, used as a biodiesel source or mixed into animal feed...