Other than the obvious grossness of it, why can’t we just process human poop into Cliff Bars with additional nutrients and ship it as food aid to places that need it. And then help various 3rd world countries to set up their own poop processing facilities?
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Feces contain several classes of nitrogen and sulfur containing compounds for which then human nose is extremely sensitive, and which almost everyone finds unpleasant or offensive. These compounds are produced at low levels by bacteria in the colon.
At present it’s simply not practical to remove all such compounds from byproducts from feces. Remember that even at very low levels which are hard to measure by very sensitive analytic equipment, such compounds are perceptibly unpleasant to the nose.
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