[Terrapreta] Farm Scale Batch Charcoal Furnace for Homestead or Farm
Jeff Davis
jeff0124 at velocity.net
Mon Apr 7 16:12:47 CDT 2008
Those chips were produced from air/barn dried 4/4 boards. Wish I had the
time to be more scientific.
I need to repeat the charcoal yield test now that I have made some changes.
Jeff
Andrew wrote:
> Yes Jeff that's much what I was suggesting in my penultimate
> paragraph.
>
> You get a fast start and good flame, how dry are the chips?
>
> The gasifier at camp lejeune?? seemed to function like this, rejecting
> a large amount of char/ash instead of turning it to CO, and producing
> a high quality gas to run an engine.
>
> In charcoal making terms this is a form of kiln rather than the retort
> system I earlier mentioned, the difference will be the yield of char,
> up to 40% in the retort with commensurate lower fixed carbon and I'm
> not surprised at the 10% yield you report.
>
> AJH
--
Jeff Davis
Some where 20 miles south of Lake Erie, USA
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