[Terrapreta] Recycling pyrolysis smoke back into bio-char

[Michael Bailes]

>  AD Karve, Appropriate Rural Technology Insitute in Pune, India (*
> www.arti-india.org* <http://www.arti-india.org>) just returned from a
> charcoal making workshop in Pak Chong, Thailand. He reports that in the
> Japanese kilns demonstrated at the workshop "A valuable byproduct of these
> kilns was wood vinegar. It sells at about US$6 per litre. Wood vinegar is
> used as an agricultural pesticide and also as a plant growth promoting
> agent."
>


Is this one and the same as bio oils?
Michael B
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