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- cross-posted to:
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UK firm develops jet fuel made from human poo | The starting material is generated in excess and available in plenty. It is a win-win for everyone that the waste is repurposed.::undefined
A lot of the time it’s just processed in open air tanks to break it down (amoung a lot of other steps before returning it to water ways or used as fertilizer/burnt).
You need a pretty low pop density to have septics work for most people.