Analyzing and forecasting CO<sub>2</sub> emission reduction in China’s steel industry

doi:10.1007/s11707-014-0447-6

Front. Earth Sci.

2015, Vol. 9

Issue (1) : 105-113 https://doi.org/10.1007/s11707-014-0447-6

RESEARCH ARTICLE

Analyzing and forecasting CO₂ emission reduction in China’s steel industry

Chengkang GAO¹(

), Dan WANG², Baohua ZHAO³, Shan CHEN¹, Wei QIN¹

¹. SEP Key Laboratory on Eco-industry, Northeastern University, Shenyang 110819, China
². Department of Geography, Shanghai Normal University, Shanghai 200234, China
³. Appraisal Center for Environment and Engineering, Ministry of Environmental Protection, Beijing 100012, China

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Abstract

Recent measures of carbon dioxide emissions from the steel industry of China have indicated a high rate of total CO₂ emissions from the industry, even compared to the rest of the world. So, CO₂ emission reduction in China’s steel industry was analyzed, coupling the whole process and scenarios analysis. First, assuming that all available advanced technologies are almost adopted, this study puts forward some key potential-sectors and explores an optimal technical route for reducing CO₂ emissions from the Chinese steel industry based on whole process analysis. The results show that in the stages of coking, sintering, and iron making, greater potential for reducing emissions would be fulfilled by taking some technological measures. If only would above well-developed technologies be fulfill, the CO₂ emissions from 5 industry production stages would be reduced substantially, and CO₂ emissions per ton of steel could be decreased to 1.24 (ton/ton-steel) by 2020. At the same time, the scenarios analysis indicates that if mature carbon-reducing technologies are adopted, and if the difference between steel output growth rate and the GDP growth rate could be controlled below 3%, CO₂ emissions from China’s steel industry would approach the goal of reducing CO₂ emissions per GDP unit by 40%–45% of the 2005 level by 2020. This indicates that the focus of carbon dioxide emissions reduction in China lies in policy adjustments in order to enhance technological application, and lies in reasonably controlling the pace of growth of GDP and steel output.

Keywords CO₂ emission whole-process scenario analysis Chinese steel industry ecological industry

Corresponding Author(s): Chengkang GAO

Online First Date: 12 June 2014 Issue Date: 04 February 2015

Cite this article:

Chengkang GAO,Dan WANG,Baohua ZHAO, et al. Analyzing and forecasting CO₂ emission reduction in China’s steel industry[J]. Front. Earth Sci., 2015, 9(1): 105-113.

URL:

https://academic.hep.com.cn/fesci/EN/10.1007/s11707-014-0447-6
https://academic.hep.com.cn/fesci/EN/Y2015/V9/I1/105

Fig.1 Model of whole-process analysis.

Fig.2 Technical route and key points for CO₂ emission reduction in the steel industry.

Fig.3 Model of scenario analyses.

Tab.1 CO₂ reduction forecasts and usage of CO₂ emissions reduction technologies in the steel industry

Tab.2 CO₂ emissions per product in different process of steel enterprises

Tab.3 CO₂ emissions forecast of the Chinese steel industry

Fig.4 CO₂ total emissions of the Chinese steel industry from 2010 to 2020.

Fig.5 The decrease rate for CO₂ emissions per unit GDP of the steel industry in China from 2010 to 2020.

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