Analysis of iron and steel production paths on the energy demand and carbon emission in China’s iron and steel industry

Qiang Yue (), Xicui Chai, Yujie Zhang, Qi Wang, Heming Wang, Feng Zhao, Wei Ji and Yuqi Lu
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Qiang Yue: Northeastern University
Xicui Chai: Northeastern University
Yujie Zhang: Northeastern University
Qi Wang: Northeastern University
Heming Wang: Northeastern University
Feng Zhao: Northeastern University
Wei Ji: Northeastern University
Yuqi Lu: Northeastern University

Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, 2023, vol. 25, issue 5, No 10, 4065-4085

Abstract: Abstract China's crude steel output has grown rapidly since 1990, accounting for more than half of worldwide production in 2019. Iron and steel industry (ISI) in China's energy consumption and carbon emissions accounted for a higher proportion. In the context of China's "carbon peak, carbon neutrality", the ISI attaches great importance to energy conservation and emission reduction. The BF-BOF long process is far from meeting the China’s policy needs in terms of energy-saving and emission-reducing targets. Therefore, the short process of EAF based on scrap steel’s recycling and direct reduced iron (DRI)’s production has attracted great attention. The e-p approach and scenarios analysis method were used to research the impact of scrap steel's recycling and DRI's production on energy demand and carbon emissions of China's ISI. By 2050, scenario 4 (30% DRI based on coal gasification–gas plus 70% scrap steel for EAF) will have the lowest energy consumption (1.79 × 1011 kgce) and scenario 3 (30% DRI based on hydrogen plus 70% scrap steel for EAF) will have the lowest carbon emissions (3.42 × 1011 kg). The results show that the short process of EAF based on scrap steel recycling and DRI is an extremely important approach for the sustainable development of China's ISI in the future.

Keywords: Iron and steel industry; Energy demand; Carbon emission; Scrap steel; Direct reduced iron (search for similar items in EconPapers)
Date: 2023
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DOI: 10.1007/s10668-022-02234-5

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