permaculture

[von-fi@elonmerkki.net]

Hello,

In Finland there is an old man called Pauli Rantanen, who has been very
actively promoting advanced charcoal production / gasicication systems 
planned for the community use in such areas, where the production of
charcoal is at the moment uneffective and pollutive. 

The thing is that by this way you also get 150-200 other chemical 
compounds out of wood (they would otherwise evaporate or transform into
thousands of other substances), and I'm not sure how far research on their
use has yet come, but these include  sugars, edible proteins, plant feeds,
tar, industrial chemicals, etc. Some may be quite toxic to handle.  These 
compounds differ between the species gasified and if the wood is dry or not.  
    

Anyway, Pauli  is an old man with huge projects and lots of other related
ideas and "inventions" in practice.
 
try e-mail: uky@selkikeskus.com
or: juhani.kunttu@selkikeskus.com

Or try to write an organic letter:

Selkikeskus
Selintie 510
03320 Selki
Finland, 
Europe

In any case, We'll try to work this subject also into videoreport 
on renewal energies during the March 05 with GEN-Finland. 

For information on non-timber forest products on local level at Africa,
check the Veld Products Research and Development website:

http://www.veldproducts.org

Good luck

Orava Ituparta
via von-fi@elonmerkki.net

On Tue, Feb 15, 2005 at 11:02:10AM +0000, david cuthbertson wrote:
> Hi,
> My father is a retired combustion engineer with
> potential access to emissions analysis equipment and a
> strong interest in trees. He read with horror of the
> millions of women and children worldwide who die from
> pollution from cooking fires; of the unnecessary
> deforestation as a result of poor stove design.
> Charcoal is seen as a 'smokeless' fuel, but it is only
> smokeless for the end user; unburnt hydrocarbons are
> traditionally vented directly into the atmosphere.
> Gasification may be more efficient, but is the
> financial cost beyond most living in, say, sub-Saharan
> Africa?
> 
> He has asked me to collect detailed information on:
> 1. Stove design and efficiency
> 2. Charcoal burning design and efficiency
> 3. Fuel species - sustainable management
> 4. On the ground people/projects with whom he liaise.
> 
> This is a connected problem, possibly best solved on a
> grass-roots local level. The choice of stove design
> should not solely be based on fuel source(s) and
> combustion efficiency, but also on the practical needs
> of the cook herself (in practice mostly women). This
> is why I have posted this to the permaculture list.
> 
> Many thanks,
> 
> David (Brighton, UK)
> scienceinthegreen@yahoo.co.uk
> 
> 
>       
>       
>               
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