AISTech 2022

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70 Years of LD Steelmaking – Quo Vadis? (Room 318)

Basic oxygen furnace (BOF) steelmaking is the most frequently applied process in the world, with a total production share of 73.2% of the world steel production. It remains the main technology based on its undoubtable advantages in productivity and liquid steel composition control. Iron and steel production, as one of the major polluters of climate-changing greenhouse gases, must change to renewable primary energy sources. This paper will review the ongoing success story of the LD process, discuss the recent technology advancements and give an outlook for the future role of the process in the steel industry of the future.