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Electrolytic hydrogen partially replacing injected coal (blast furnace)


Technology Description

Hydrogen can be used to some extent in blast furnaces, the current dominant primary steel-making technology that relies primarily on coal and coke (which is derived from coal). Hydrogen can replace a portion of injected coal, thus reducing the need for coal.

Relevance for Net Zero

Partial replacement of hydrogen can help lower emissions from blast furnaces, including those already in operation. However, hydrogen is not able to replace all coal needs in the blast furnaces, and therefore this option only partially reduce emissions.

Key Countries

Germany, Austria, China, Japan, India

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