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Municipal wastewater treatment does not use expensive treatment or chemicals. It is a huge bioreactor where the only input is aeration and stirring.
by wollstonecraft 7y ago
Municipal wastewater treatment does not use expensive treatment or chemicals. It is a huge bioreactor where the only input is aeration and stirring.
- carapace 7y agoOkay but it's still gonna be cheaper to poop into a bucket of worms. Grosser, but cheaper. ;-)