Process for biocarbon production with high compressive strength for use in metallurgic applications

Abstract

A method for making transient plastic phase biochar from various biomass feedstocks includes receiving a biomass feedstock at a pyrolysis chamber, providing an inert gas or air environment to the pyrolysis chamber, and pyrolyzing the biomass feedstock in the pyrolysis chamber at a pressure above 1500 psi and a temperature range of 290 - 350 °C to generate the transient plastic phase biochar. The method may further include making a transient plastic phase biocarbon by grinding the transient plastic phase biochar into a powder, compressing the powder into a pellet, and devolatilized the pellet in an inert environment at atmospheric pressure at a temperature range of 300 - 1200 °C for 1 hour at a heating rate of 3-10 °C / min produce transient plastic phase biocarbon.

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