[Stoves] re biochar production

Dean Still deankstill at gmail.com
Mon Oct 31 08:24:34 PDT 2011

Dear List,

Or, as we have been saying, the urban cook who is not interested in soil
improvement, can decide to use the charcoal in the second half of the burn
with the TLUD and get improved fuel efficiency.

With the TLUD a switch can be made from charcoal to wood.



On Mon, Oct 31, 2011 at 2:17 AM, Paal wendelbo <paaw at online.no> wrote:

> **
> *  *Dear list* *
> *  An average household of five use 2.7 kg charcoal per day for cooking.
> To make 2.7 kg of charcoal you need 10 kg of dry wood.  2.7 kg charcoal
> is 1 day cooking on a charcoal stove. 10 kg of chopped dry wood will give
> 3 days of cooking into a fuel efficient cook stove and in addition you will
> have 2,7kg charcoal or biochar left. With other words: the loss of energy
> by production of biochar will cover the need of household energy for
> cooking for the household of the farmers and in addition give the biochar
> needed for the soil improvement. *
> *Regards Paal W*
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