The steel industry is at the center of the global energy and climate transition. Achieving net-zero emissions requires a portfolio of innovative technologies, from carbon capture to hydrogen reduction, electrolysis, biomass, efficient raw material use, and circular economy strategies like scrap recycling and co-product valorization.
Hydrogen (H2)-based ironmaking - Fact sheets
Full Code
MAN0204WS405
Module Type
Microlearning
Description
This microlearning introduces hydrogen as a clean reducing agent in ironmaking. Learners will discover how hydrogen can replace carbon in Direct Reduced Iron (DRI), producing water instead of CO₂. The fact sheet reviews current pilot projects like HYBRIT and ArcelorMittal Hamburg, the differences between green, blue, and grey hydrogen, and the challenges of scaling up production and infrastructure.
What you will learn
Identify the role of hydrogen as a reducing agent in ironmaking and explain how it differs from carbon-based reduction in blast furnace and direct reduction processes.
Explain the environmental benefits of hydrogen use in steelmaking, including the elimination of CO₂ emissions from the chemical reaction.
Differentiate between grey, blue, and green hydrogen, describing their production methods, availability, and implications for decarbonization.
Analyze ongoing hydrogen steelmaking projects (e.g., HYBRIT, ArcelorMittal Hamburg, thyssenkrupp trials) and evaluate their contribution to breakthrough and transitional decarbonization pathways.
Evaluate the challenges of scaling hydrogen for steelmaking, including cost, infrastructure, safety, and the massive increase in renewable electricity and water demand required for electrolysis.
Module content
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