[Terrapreta] Overview on biochar production methods

[ch braun]

Hello everybody,

Thanks a lot for all your links and infos. I have just started a small Wiki
page  which intends  to list and compare the different companies on the
"carbonization market". Hopefully it can help to get a general idea.
However, I hadn't time to do much so far, so don't hesitate to contribute !
Here is it:
http://en.wikipedia.org/wiki/Biochar_production

Sincerely yours,
Christelle


On 8/16/07, Tom Miles <tmiles at trmiles.com> wrote:
>
> Nils,
> I have a picture from my visit to Lyngby in 1993 that shows healthy weeds
> growing in your straw char.
> When you run the Indumatic boiler in two staged combustion how much char
> (kg) can you make per kg fuel input or per KW thermal output?
> Thanks
> Tom
>
>
>
>
>                 - and why not add us to the list. We already produced the
> low temperature char in 1993 in our gasification stage in order to hold
> back
> alkali metals (= fertilizer) from straw. We just didn't know what
> agriculture would say to such a carbon rich product even though there
> already was a discussion on C depletion of the Danish farm land.
>                 After the recent establishment of ENVIPOWER we learned
> about
> TP and that was the answer to our question. We have just got a rather
> small
> amount of money allocated to smaller agricultural experiments carried out
> by
> "Faculty of Agricultural Sciences"
> http://www.agrsci.org/content/view/full/2
>
>                 We will off course report to the list of our findings.
>                 Best regards/Med venlig hilsen
>                 ENVIPOWER AS
>                 Nils Peter Astrupgaard
>                 Snerlevej 1 DK-2800 Kgs. Lyngby
>                 +45 4061 5600
>                 npa at envipower.dk www.envipower.dk
>
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>
>
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