Research of the Impact of Hydrogen Metallurgy Technology on the Reduction of the Chinese Steel Industry’s Carbon Dioxide Emissions

Fang Wan (), Jizu Li, Yunfei Han and Xilong Yao
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Fang Wan: College of Economics and Management, Taiyuan University of Technology, Taiyuan 030024, China
Jizu Li: College of Economics and Management, Taiyuan University of Technology, Taiyuan 030024, China
Yunfei Han: College of Economics and Management, Taiyuan University of Technology, Taiyuan 030024, China
Xilong Yao: College of Economics and Management, Taiyuan University of Technology, Taiyuan 030024, China

Sustainability, 2024, vol. 16, issue 5, 1-24

Abstract: The steel industry, which relies heavily on primary energy, is one of the industries with the highest CO 2 emissions in China. It is urgent for the industry to identify ways to embark on the path to “green steel”. Hydrogen metallurgy technology uses hydrogen as a reducing agent, and its use is an important way to reduce CO 2 emissions from long-term steelmaking and ensure the green and sustainable development of the steel industry. Previous research has demonstrated the feasibility and emission reduction effects of hydrogen metallurgy technology; however, further research is needed to dynamically analyze the overall impact of the large-scale development of hydrogen metallurgy technology on future CO 2 emissions from the steel industry. This article selects the integrated MARKAL-EFOM system (TIMES) model as its analysis model, constructs a China steel industry hydrogen metallurgy model (TIMES-CSHM), and analyzes the resulting impact of hydrogen metallurgy technology on CO 2 emissions. The results indicate that in the business-as-usual scenario (BAU scenario), applying hydrogen metallurgy technology in the period from 2020 to 2050 is expected to reduce emissions by 203 million tons, and make an average 39.85% contribution to reducing the steel industry’s CO 2 emissions. In the carbon emission reduction scenario, applying hydrogen metallurgy technology in the period from 2020 to 2050 is expected to reduce emissions by 353 million tons, contributing an average of 41.32% to steel industry CO 2 reduction. This study provides an assessment of how hydrogen metallurgy can reduce CO 2 emissions in the steel industry, and also provides a reference for the development of hydrogen metallurgy technology.

Keywords: iron and steel industry; hydrogen metallurgy; TIMES (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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