Keywords: Emissionless biochar production.JPG en A schematic showing emissionless biochar production The schematic makes it clear that the co² cannot escape at the pyrolysis unit due to the fact the the pyrolysis unit is hot; hot air rises and thus creates a suction effect on the hole The idea showing a solar-powered pyrolysis unit is derived from combining Ravi's Kumar's pyrolysis unit http //www feasta org/forum/files/ravi_kumars_pyrolysis_unit_184 gif with a absorber tube of a parabolic trough Own KVDP 2009-06-22 Biochar Charcoal Soil additives |