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Ag waste-based replacement for coke in steelmaking


Startup Biocarbon is commercialising a process to make biochar suitable for coke replacement in steelmaking.

Biochar is made from pyrolysis, usually in a kiln where biomass is heated at up to 700 degrees C with little or no oxygen. The charcoal is useful in soil conditioning and could help draw down and store CO2 in the ground.

Biocarbon has developed a way to make char dense and pure enough to replace coke in electric arc steelmaking, and is engaged with Molycop in R&D on this new, environmentally gentler method, which they say is a world first.

(Picture: Wikipedia.)

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