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Charcoal or charcoal or charcoal or even charcoal is a fuel produced by the wood carbonization process, which consists in the transformation of an organic compound, in our case beech wood, into coal.
It is a natural process that occurs during the combustion of wood (fuel) in the presence of little oxygen (oxidizing).
The production of vegetable charcoal takes place using a technique that allows the correct quantity of oxygen to be removed from the wood combustion process, so as to avoid one side of the fire extinguishing and, on the other, that the fire takes vigor and burns. the woodpile. The most common technique is that of the charcoal kiln: on a clearing, where a refractory stone furnace was built, with a circular shape about 2-3 meters wide. basic for 3-4 meters height with a capacity of about 10 m3, closed all around except, at the base, where there is a door in iron 1mt. x 1mt. approximately, used later for the emptying of the furnace.
Another port-shaped opening of about 60-70 cm. diameter, equipped with a hatch, placed on the dome roof, used both to fill the inside of the same with pieces of wood split into wedges, about 30 cm long and 15-20 cm wide, resting on top of each other inside the charcoal, both as a chimney for the expulsion of smoke and water vapor released during the slow combustion.
With these two openings, one at the base and the other at the apex, it modulates both the opening and the closing, with the purpose of allowing the circulation from the outside inside the amount of air suitable to ensure the right cooking looking , with particular precautions, to prevent direct contact of the air with the woody mass. The carbonization process can last up to 15 days.
In the charcoal piles are usually stacked from 30 to 40 quintals of wood from which 6 to 8 quintals of coal are obtained.
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