Sulfide Route to Chromium–Nickel–Molybdenum Ferroalloys for Stainless Steel Production
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s11663-024-03288-8.pdf
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5.47 MB
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Adobe PDF
Checksum (MD5)
9044ef60e9df6f98eb207c016a0688a1
Author(s)
Stinn, Caspar
Allanore, Antoine
Date Issued
October 28, 2024
Journal
Metallurgical and Materials Transactions B
Publisher
Springer Nature
Citation
Stinn, C., Allanore, A. Sulfide Route to Chromium–Nickel–Molybdenum Ferroalloys for Stainless Steel Production. Metall Mater Trans B (2024).
Version
Final published version
Abstract
New methods of materials separation and metal production utilizing sulfide chemistries may support a paradigm shift in sustainable metallurgy. We leverage sulfidation with elemental sulfur, aluminothermic reduction, and slag refining to obtain a chromium–nickel–molybdenum ferroalloy and stainless steel using a sulfide-based route without direct greenhouse gas emissions. The absence of carbothermic reduction from the mineral, concentrate, and matte feedstocks tried herein indicates that argon-oxygen-decarburization may no longer be necessary to refine stainless steel products.
MIT Department
Massachusetts Institute of Technology. Department of Materials Science and Engineering
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Creative Commons Attribution
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DOI of Published Version
https://doi.org/10.1007/s11663-024-03288-8
