Did You Know


Your City’s Sewage Could Hold $2.6M in Gold and Silver

Not that we’d recommend looking for it

Newser) – The sewage being treated by your city could be a veritable gold mine. That’s because all kinds of metals end up in sewage sludge, which is the leftovers from treated sewage, Science reports. Researchers in Arizona recently found that a city of a million people could generate up to $13 million a year in such metals, with $2.6 million of that coming in the form of gold and silver. They studied the samples, which came from 32 states, with a mass spectrometer, Discover reports; the tool uses extreme heat to reveal elements. On a global scale, they found, sludge probably contains about 360 tons of gold each year…

Read on…http://www.newser.com/story/201537/your-citys-sewage-could-hold-26m-in-gold-and-silver.html

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