[Gasification] Charcoal/Biochar making

Jeff Davis jeff0124 at hughes.net
Wed Mar 27 17:47:23 CDT 2013

Dear Dr. Tom,

I never had the time to try your Pyramid carbonizer with wood but some 
of the nicest wood charcoal that I've produced was made on the ground in 
small amounts. I just started a fire and kept adding wood on top as long 
as it burned clean. To stop the process I covered it with 1/2 of a 55 
gallon drum.

I did try your Pyramid with weed bales without much luck BUT I did have 
results applying the Roger Simpson method with a Pyramid/Cone pile.



On 03/27/2013 05:18 PM, Thomas Reed wrote:
> The  jewel  in charcoal making is "autopyrolysis". Most people think 
> Charcoal has to be made in heated kilns, but you can be in business 
> today much more simply.  Once lit, dry fuel will auto-pyrolyse using 
> the burning cellulose to pyrolyse the 20% lignin which converts to 
> charcoal.

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