Sepp Hasslberger: Low Tech High Green Small Burners

03 Environmental Degradation, 05 Energy
Sepp Hasslberger

NòvaVideo – Nat Mulcahy e la LuciaStove (Now with English subtitles)

This is decidedly low tech, but very efficient. Nat Mulcahy has invented a simple system that allows the burning, not of the wood itself, but of the gas that comes out of the wood when heated.

This results in a clean burn and a high use (over 90 %) of the energy contained in the combustible substance. Pellets of wood or other biological material are best to use. What is left over after combustion is biochar, the empty “shell” of the biological material, dry carbon that is great as a fertilizing substance for agriculture. With time, it forms what is known as “terra preta”, very fertile high carbon soil.

The video is in Italian, but there are English subtitles…

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