[Terrapreta] An article on Flash Carbonisation™charcoal - University of Hawaii -

Michael Bailes michaelangelica at gmail.com
Fri Jun 20 15:04:25 CDT 2008


>
> Recently we began Flash Carbonization™ studies of raw sewage sludge
> produced in Honolulu's Ewa sewage sludge treatment plant. We were surprised
> by the ease with which air-dry sewage sludge can be converted into charcoal.
> We obtained charcoal yields of about 30% (dry basis) from the sewage sludge.
> The charcoal contained 45-51% ash and 40% fixed-carbon. Studies of the use
> of sewage sludge charcoal as a soil amendment (i.e., terra preta
> application) with the side-benefit of carbon sequestration are now beginning
> at UH. Results of these studies will be reported at the forthcoming AIChE
> meeting in Philadelphia (November, 2008).
>


 Flash Carbonization <http://www.garyjones.org/mt/archives/000806.html>
 By back40
We obtained *charcoal* yields of about 30% (dry basis) from the sewage
sludge. The *charcoal* contained 45-51% ash and 40% fixed-carbon. Studies of
the use of sewage sludge *charcoal* as a soil amendment (ie, *terra
preta*application) with the
*...*
 Muck and Mystery - http://www.garyjones.org/mt/
<http://www.garyjones.org/mt/>

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-- 
Michael the Archangel
"Politicians will never solve The Problem;
because they don't realise they are The Problem.".
-Robert ( Bob ) Parsons 1995
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