Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Ironmaking
Perspective toward Long-term Global Goal for Carbon Dioxide Mitigation in Steel Industry
Tatsuro Ariyama
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2019 Volume 105 Issue 6 Pages 567-586

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Abstract

Global warming has been regarded as a crucial issue in every industry. Since long term global goal was set on the basis of Paris Agreement, a considerable evolution toward CO2 mitigation in 2050 is desired even in steel industry. Until now, many various technology developments were carried out in the ironmaking area; however, the innovative progress beyond the past progressive developments is required to attain the long-term goal in 2050. This review focuses on the current technology development on CO2 mitigation to date and the design of an ambitious ironmaking process for the future. In particular, the directions for low carbon and decarbonization are discussed from the viewpoints of technological aspects and the comprehensive consistency with sustainability in steel industry. Moreover, the perspectives on CCU (CO2 Capture and Utilization) and hydrogen ironmaking process based on the renewable energy aiming for carbon direct avoidance are described.

Diversification of ironmaking processes toward CO2 mitigation. Fullsize Image
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© 2019 The Iron and Steel Institute of Japan
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