Maybe it’s just me, but the idea that regular sewage – sorry, I mean “biosolids” – contains almost enough rare metals per tonne to pay for the disposal of that tonne seems, well… how can I put this? A load of crap? $350 CDN per tonne?! Where the heck does it all come from? No – don’t answer that. It was rhetorical. Sewage sludge contains millions of dollars worth of gold, other metals – Technology & Science – CBC News.
Well doesn’t EVERYONE poo gold bars?6 02 2015