Biochar - How to make it on a small scale?

Question

Biochar - How to make it on a small scale.?

I have read that Biochar could be used as a soil amendment that could help the environment. I live in the Philippines and see lots of rice husks that are burned after harvest. I would like to try to use it to make Biochar on a small scale to experiment. Anybody know how?

Answer 1

You can use a large oil drum and load it with biomass material like rice husks, then light them and exclude oxygen, to promote pyrolysis.  See web pages with instructions and diagrams.