Use the Iwasaki charcoal-making kiln to make charcoal from forest thinnings.

Use the Iwasaki charcoal-making kiln to make charcoal from forest thinnings.
Iwasaki MASATO, Ashikaga Institute of Technology College, Tochigi Prefecture, Japan

The Iwasaki charcoal kiln is made from two steel drum cans.
Since high temperature is used, it takes a very short time to make the charcoal.
Wood (diameter<5cm) charcoal takes less than 5 hours to make.
Bamboo charcoal takes less than 3 hours to make.
This charcoal-making kiln can make be used to make charcoal from corn cobs,
sunflower stems, wheat husks or straw, coffee husks, plants or flower petals.
The maximum temperature achieved was 1222 degrees C (using a ceramic blanket).
The fastest time to make charcoal was less than 120 minutes.
The standard temperature of the charcoal kiln is 850 -1000 degrees C.