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.
Cheers, Jeff 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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