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24 January 2022 by Brent Balinski
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.