Sewage Sludge Treasure

Sewage Sludge Treasure

Top of Mind with Julie Rose - Radio Archive, Episode 194 , Segment 5

Episode: Climate Change and Hunger, Kids' Self-Esteem, deFUNKit

  • Dec 10, 2015 10:00 pm
  • 15:44 mins

Guest: Paul Westerhoff, PhD, Environmental Engineering Professor at Arizona State University  We have treasure in a most unlikely place. Researchers have found significant amounts of precious metals in sewage sludge. They say that the valuable metals in bio-solids may be worth up to $13 million per year for a community of 1 million people.

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