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Old 12-15-2006   #249 (permalink)
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davidgmills
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Re: Terra Preta

Cedars:

Yes that is the website.

And of course he probably was not interested in devising an efficient method of making charcoal because he probably does not have to.

But I remember him commenting that he used about as much wood for the starter fire as he did for the charcoal stock in the drums.

In terms of efficiency, I am sure that ceramics would be a lot better than metal. I have thought about getting a soapstone stove for some time now because soapstone is so very efficient at retaining heat.

I have also thought about making a permanent charcoal/barbecue pit out of fire brick and brick for the same reason, but since I am not a mason, I don't know how good I would be at it.

Onething that intrigues me about th Best Pyrolysis website is that they are using grases and shrubby materials as stock as well as wood. For the suburbanite and urbanite, the ability to use grass and leaves as stock would certainly help the landfill problems.
 
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