Re: Sterilize Biochar Charged with Urine #urine
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The question: "I want to know if urine can be sterilized by adding char and/or ash. I am not seeking alternative methods of sterilization."
The simple answer is no. Sterilization means all microbiota will be killed. Biochar doesn't do that. Speculation about how pH may affect microbes or pathogens isn't sufficient to come to the conclusion that an assumed higher pH will "sterilize" urine. I say "assumed" because pH is dependent on pyrolysis conditions.
Once a mixture of biochar and urine are exposed to the environment, microbiota will grow on the mixture, even if it was sterilized by other means beforehand.
So I think your question is actually something along the lines of "Can the use of biochar interrupt the transmission of pathogens that cause disease in humans? If so, how?"
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