It’s not just gold that could be mined and sold. Waste contains elements like vanadium and copper that could be used in devices such as cellphones and computers, the researchers said. The economic value of poop mining is still unclear, but some recent projections have been promising. Earlier this year, another group of researchers published a paper in the journal Environmental Science & Technology, estimating that metals extracted from poop in a population of 1 million people could yield $13 million per year.

Megan Gannon Solid Gold: Poop Could Yield Precious Metals https://www.livescience.com/50235-solid-gold-poop-could-yield-precious-metals.html published March 24, 2015