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Home Forums General Discussion Methane digesters Re: Methane digesters

#65281
elnav
Member

Residual solids from digesters is the potential fly in the ointment. Recent tests by reputable university investigators found that any toxins and chemical contaminants present in the feed stock remains in the solids after the methane is extracted. Depending on what was fed to the animals or sprayed on the plants the resultant fertilizer may also contains toxins or contaminants.

GRIST magazine had an article about a month back by tom Phillpot if I remember ccorrectly. He has been writing about big ag and their hidden sins for quite a while.