To all those involved in charcoal production:
I have recently finished the constructing of a retort for charcoal
production using the principle of indirect heating.
I am using freshly cutted beech wood, cutted in pieces of about 25 cm long
and about 10 cm thick. The capacity of the retort is 2 cubic meters.
The fuel I use for starting the process and drying the wood in the first
stage of the process (drying stage) is also freshly cutted beech wood.
My questions are:
1) Does anybody know when have I to stop the carbonization process, i.e.
when the charcoal has reached to the following parameters (with
aproximation):
- ash: 2.5 %
- moisture content: 6 %
- fix carbon: 77 %
- calorical capacity: 7500 kcal/kg
2) Does anybody know which are the parameters for charcoal as indicated in
DIN 51749 (Deutsche Industrie Normen) ?
Best regards to all,
Cornel Ticarat
Romania
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