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Thermal destruction of biomass no extra energy required once ignition occurs as long as feedstock & oxygen are available thermal characteristics as temperature.

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Presentation on theme: "Thermal destruction of biomass no extra energy required once ignition occurs as long as feedstock & oxygen are available thermal characteristics as temperature."— Presentation transcript:

1 thermal destruction of biomass no extra energy required once ignition occurs as long as feedstock & oxygen are available thermal characteristics as temperature increases weight decreases water Formic Acid Acetic Acid CO CH4 Combustibles Flammable Tars Volatiles Condensates Charcoal remains low temperature high temperature H2 Danny Day, EPRIDA (less than 500 degrees C) preserves micropores increases char production Resins How to Make Biochar Pyrolysis exothermic above 250°C an excess of energy is released energy produced is self-sustaining (gasification) ( degrees C) degrades micropores increases biofuel production Syngas click to continue

2 BEST Energies, Australia continuous feed Electric Power Plant modern pyrolysis has little in common with traditional ways to make charcoal 2007 Environmental Business of the Year Australia USA office Madison, Wisconsin industrial scale How to Make Biochar DRYER PYROLYSIS GASIFIER BIOCHAR GASCLEANERGASGENERATOR GASCLEANER ELECTRICPOWER BIOMASS H 2 + CO EXHAUST SYNGAS click to continue

3 ABRI, Ontario, Canada industrial scale How to Make Biochar Pronatura Plus, South Africa continuous feed charcoal Continuous pyrolysis of farm residues into green char performs like charcoal from wood, at half the cost. Machinery is modest, requires minimal energy (8kw electric), with no toxic emissions. Run by two persons, produces 4 tons a day. 50 dry tons / day50 dry tons / day Modular constructionModular construction TransportableTransportable Designed for wood wastesDesigned for wood wastes Produces bio-oil, charcoal, heatProduces bio-oil, charcoal, heat modern pyrolysis has little in common with traditional ways to make charcoal 1 dry ton / day Towed on trailer to biomass Simple, Fully Automated Broad range of applications Processes agricultural wastes Produces bio-oil, charcoal, heat Shivam Enterprises West Bengal, India 2 Chamber Conversion Reactor MSW is fed by charging unit into upper chamber where it is gasified. Gases leave reactor through outlet and combusted in burn chamber. MSW falls into lower chamber where it forms char & combustible gas. Gas is burned with air entering through slits. Charcoal is discharged at the bottom. Rice Hull Pyrolyzer India click to continue

4 How to Make Biochar Batch Bamboo Biochar & Vinegar Hangzou, China Hangzou, China industrial scale vinegarcondenser click to continue

5 backyard biochar & wood vinegar How to Make Biochar Larry Williams, Oregon click to continue


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