steelTalks is a monthly series on topics of interest to the global steel community. The lectures are presented in a webinar format with a guest lecturer. In this webinar, we’ll explore the critical role of iron ore and scrap in global steel production, focusing on the challenges and opportunities in enhancing sustainability within the BF/BOF and EAF routes.
Description
Global steel production relies 70% on the iron ore-based BF/BOF route and 30% on the mainly scrap-based EAF route. Due to limited scrap availability, iron ore remains essential. For efficient EAF steel production, DRI from ores with over 65% Fe and low slag-forming elements is ideal, yet only 20% of available ores meet this criterion.
The carbon-based BF process, on the other hand, primarily uses ores with less than 65% Fe, which make up most of global production. As a result, technological advances focus on hybrid reduction and smelting processes to convert low- and medium-grade ores into green pig iron or crude steel using hydrogen. Processing iron ore in its natural grain size via hydrogen in fluidized bed or plasma methods also offers a path to sustainable steelmaking.
What you will learn:
• Basics of the climate change and roadmaps to climate neutral iron and steelmaking.
• Preconditions for raw materials and energy supply to execute the transformation process.
• Compare TRL of technologies and development cycles.
Course content
Learning Outcomes
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Describe the challenges of hydrogen steelmaking.1
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Identify potential issues related to energy requirements.2
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Operate technologies and processes involved in using hydrogen.3
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