Former students at Delft University of Technology in the Netherlands are transforming incinerator waste into marketable and eco-friendly raw materials.
Incinerator ash consists of metals—copper, aluminum, zinc, iron, lead, tin and gold—which, if properly recovered, retain their value.
The two are perfecting a technology that sorts out these precious metals for recycling into construction materials. Incineration firms pay them for the recycling services, sell the recovered metals to the contruction industry and voila, a waste stream becomes a revenue stream.
(Continue reading in Ode magazine)