The equipment; A small barrel with air inlets, and an open, vessel to put the biomass in
Putting in wood stumps in the vessel
Pressing the wood together
The smaller vessel filled
Put the vessel on two bricks, so you can reach its bottom when putting the barrel on
Putting the barrel on
The vessel fits to the bottom
Then, you hold the vessel thight to the barrel's bottom when turning it around
Then, you have put the vessel upside down in the barrel
In the space between ...
...you put in some dry firewood...
... and light it
After about 40 minutes, the pyrolysis gasses starts coming out. They are lit by the fire still remaining outside, so no methane is emitted
You cam easily see when the pyrolysis gasses leave. It starts burning more intensively than before.
When it stops, the char is ready.
If the char still contains some brown wood, you can let them join the next batch.
