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Technological Solutions to China's Carbon Neutrality in the Steel and Cement Sectors

Chen, P; Zhang, S; Meng, J; Lei, T; Li, B; Coffman, D; (2023) Technological Solutions to China's Carbon Neutrality in the Steel and Cement Sectors. Earth's Future , 11 (9) , Article e2022EF003255. 10.1029/2022EF003255. Green open access

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Abstract

China has set Nationally Determined Contributions (NDCs) and carbon neutrality targets without providing expected industry-specific technological details. By focusing on the steel and cement industries in China, this study analyzes the energy consumption of different technology routes, decarbonization pathways of innovative technologies, and the synergistic impact of air pollutants. The study finds that the incumbent technology routes for steel and cement production have limited carbon reductions, and the deployment of innovative technologies (carbon capture, utilization, and storage [CCUS], electrolytic- and hydrogen-based, and scrap-based technologies) need to be accelerated to achieve carbon neutrality targets. We find that the net-zero emissions pathway relying upon innovative technologies needs less investment than the NDCs scenario. Furthermore, electric arc furnace deployment will be mainly concentrated in Jiangsu, Guangdong, and Sichuan, while CCUS should be mainly in Hebei, Shandong, Liaoning, and Jiangsu provinces. The increased electrification of innovative technologies in steel and cement requires a shift in energy inputs from fossil energy to electricity. A combination of strict climate change mitigation and air pollution control will have higher synergistic effects.

Type: Article
Title: Technological Solutions to China's Carbon Neutrality in the Steel and Cement Sectors
Open access status: An open access version is available from UCL Discovery
DOI: 10.1029/2022EF003255
Publisher version: https://doi.org/10.1029/2022EF003255
Language: English
Additional information: © 2023 The Authors. Earth's Future published by Wiley Periodicals LLC on behalf of American Geophysical Union. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of the Built Environment
URI: https://discovery.ucl.ac.uk/id/eprint/10177124
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