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pyrolisation


Terra preta: a fuel that could be also carbon negative?

Terra preta is a very interesting type of soil that you can find in the Amazon, and is supposedly manmade. Although it's unknown how it was made before the Europeans arrived, there's a modern method to obtain it: burn biomass so it's pyrolisized, breaking down long hydrocarbon chains like cellulose into shorter, simpler molecules which, over time, become nutrients for microbes and plants, that bond with nitrogen and phosphorus. This looks nice enough to make it a fertilizer, but what does this have to be with fuel? Well, the pyrolising process ... Read more →

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