Refining of High-Carbon Steel and Reduction of CO2 Emissions by Using Lignite Upgraded Coal Briquettes

This study investigated the use of sustainable coal (lignite) that can simultaneously satisfy three requirements: [1] Environmental issues (CO2), particularly Carbon dioxide Capture and Utilization (CCU) that reduces CO2; [2] Resource issues, particularly Enhancement of dephosphorization function in...

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Bibliographic Details
Published inISIJ International p. ISIJINT-2024-206
Main Authors Matsuoka, Hideichi, Matsui, Yoshiyuki, Adachi, Wataru, Shibuya, Yuri, Semura, Koichiro
Format Journal Article
LanguageEnglish
Japanese
Published The Iron and Steel Institute of Japan 2024
Subjects
CO2 emissions
high-carbon steel
lignite
steelmaking
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Summary:This study investigated the use of sustainable coal (lignite) that can simultaneously satisfy three requirements: [1] Environmental issues (CO2), particularly Carbon dioxide Capture and Utilization (CCU) that reduces CO2; [2] Resource issues, particularly Enhancement of dephosphorization function in the refining process; and [3] Enhancement of refining high-carbon steel. This study confirmed that use in the steel making process of lignite upgraded coal briquettes gives possibility to functionally differentiate the reaction site of decarbonization and dephosphorization and to reduce CO2 emissions.
ISSN:0915-1559
1347-5460
DOI:10.2355/isijinternational.ISIJINT-2024-206