Abstract
A significant amount of CO2 is emitted and utilized in the production processes engaged by iron and steel enterprises. Herein, the feasibility and principles of CO2 participation in the steelmaking process are analyzed, and an industrial examination of bottom‐blown CO2 smelting in a 120 t converter is performed; this serves to summarize and verify the metallurgical advantages of CO2 participation in the converter steelmaking process. The injection of CO2 improves the effects of dephosphorization and denitrification, reduces the end‐point oxygen content of molten steel, diminishes the consumption of the slagging agent, and contributes to a reduction in production costs and improvement in product quality. This study analyzes two different recycling paths of CO2 in iron and steel enterprises, providing a new mechanism for CO2 emission reduction.
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