Hookway charcoal retort part 2 - This is a charcoal retort / kiln I have invented has been designed to be environmentally friendly by burning the smoke it produces to help heat the retort. It also has been designed so that it produces maximum quantity of charcoal using a minimum amount of fuel. This retort has new insulation layer.
Tom Reed demonstrates the pyrolysis pyramid for converting yard pruning into valuable biochar. Top light. Light on downwind side. The opposite of what you would do if you simply wanted to turn it all into ash.
Rob Lerner of Biochar Costa Rica shows, in this 10-minute video, his hybrid design for pyrolysis and condensation of flue gases in producing biochar and useful byproducts. Gets down to specifics after an introduction by Jimi Hendrix.