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Smelter — Green Steelmaking Using Low-Grade DRI

Hydrogen-based direct reduction is expected to become one of the main levers to reduce CO2 emissions in future iron- and steelmaking. For melting and refining of the direct reduced iron, an electric arc furnace (EAF) is the ideal method if iron ore grade is high and resulting slag amount in the EAF is reasonably low. But as most of the iron ore globally is of lower grade and beneficiation has its limits, a new type of furnace — the Smelter — is required. Details of the Smelter as well as the road map for development are presented.
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2025/08 AIST Iron & Steel Technology August
PR-PM0825-4
G. Wimmer, B. Voraberger, J. Rosner, A. Pfeiffer
August 01, 2025
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