Hydrogen Steelmaking

Hydrogen steelmaking is a low-carbon method of producing steel in which hydrogen gas replaces coal or coke as the main reducing agent to remove oxygen from iron ore.

In conventional steelmaking, carbon reacts with iron oxide to produce iron and large amounts of CO₂. In hydrogen steelmaking, hydrogen reacts with iron oxide to produce pure iron and water (H₂O) instead of carbon dioxide. This process is typically carried out in a direct reduction reactor (H₂-DRI), where iron ore pellets are reduced by hydrogen at high temperature, and the resulting sponge iron is then melted in an electric arc furnace (EAF) powered by renewable electricity.

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