Charcoal from Corn Cob
Materials:
Corn cob
Drum of 200 liters capacity
Water sprinkler or can
1. Place corn cobs about 1/3 of the drum and put fire until smoke is gone.
2. Place again 2/3 drum of corn cobs and burn again until smoke disappear.
3. When smoke stops remove the contents of the drum.
4. Water the corn cobs until the fire is put off.
5. Lay the corn cobs on the ground and let the drum dry.
6. Separate the charcoal from the ashes.
7. Keep in a container.
Source: Tekno-tulong