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Sustainability 2019, 11(2), 352; https://doi.org/10.3390/su11020352

Study on an Implementation Scheme of Synergistic Emission Reduction of CO2 and Air Pollutants in China’s Steel Industry

1,2
,
1,2,* , 1,2
,
1,2
and
2
1
Institutes of Science and Development, Chinese Academy of Sciences, Beijing 100190, China
2
School of Public Policy and Management, University of Chinese Academy of Sciences, Beijing 100049, China
*
Author to whom correspondence should be addressed.
Received: 12 December 2018 / Revised: 5 January 2019 / Accepted: 7 January 2019 / Published: 11 January 2019
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Abstract

China’s steel industry is an energy-intensive sector. Synergistic reduction of emissions of CO2 and air pollutants (SO2, NOx, and PM2.5) in the steel industry has an important practical significance for climate change and air pollution control. According to the CO2 emission reduction intensity targets (CERO) and air pollutant emission targets (PERO) for 2020 and 2030, 28 types of energy-saving and emission reduction technologies (20 types of carbon reduction technology and eight types of air pollution end-of-pipe technology) were selected for examination, and a two-stage dynamic optimization model with collaborative implementation of PERO and CERO was built to assess the near future (2015–2020) and long-term (2020–2030) implementation plans for synergistic emissions reduction of CO2 and air pollutants. The results show that in the near future, the implementation of PERO will have a greater synergistic effect on CO2 emission reduction. CO2 emission reduction under PERO in 2020 will be 97 million tons (Mt) higher than that of CERO, an increase of nearly 26%. However, the effects of implementing CERO are better in the long run. Under CERO, the emission reductions of SO2, NOx, and PM2.5 in 2030 are 2.44 Mt, 1.47 Mt, and 0.86 Mt, respectively, and 7%, 4%, and 5% higher than the implementation of PERO. As far as marginal abatement cost is concerned, in the near future, the marginal abatement costs of CO2 and air pollutant equivalents are 1.06 yuan/kgCO2 and 133 yuan/kg pollution equivalent (pe) under PERO, which are 23% and 11% lower than that of CERO, while in the long run, the marginal abatement costs of CO2 and pollutant equivalents under CERO are 0.025 yuan/kgCO2 and 2.73 yuan/kgpe, about 96% and 95% lower than that of PERO. View Full-Text
Keywords: Air pollution treatment; CO2 emission reduction; Synergistic emission reduction; steel industry Air pollution treatment; CO2 emission reduction; Synergistic emission reduction; steel industry
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Li, H.; Tan, X.; Guo, J.; Zhu, K.; Huang, C. Study on an Implementation Scheme of Synergistic Emission Reduction of CO2 and Air Pollutants in China’s Steel Industry. Sustainability 2019, 11, 352.

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