Analysis of Synergistic Drivers of CO 2 and NO X Emissions from Thermal Power Generating Units in Beijing–Tianjin–Hebei Region, 2010–2020

Yaolin Wang, Zilin Yuan, Jun Yan, Haixu Zhang, Qinge Guan, Sheng Rao, Chunlai Jiang () and Zhiguo Duan ()
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Yaolin Wang: College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
Zilin Yuan: Research Center for Emission Trading and Reduction, Chinese Academy of Environmental Planning, Beijing 100012, China
Jun Yan: Zhejiang Ecological Environment Low-Carbon Development Center, Hangzhou 310007, China
Haixu Zhang: Research Center for Emission Trading and Reduction, Chinese Academy of Environmental Planning, Beijing 100012, China
Qinge Guan: Chinese Research Academy of Environmental Sciences, Beijing 100012, China
Sheng Rao: Research Center for Emission Trading and Reduction, Chinese Academy of Environmental Planning, Beijing 100012, China
Chunlai Jiang: Research Center for Emission Trading and Reduction, Chinese Academy of Environmental Planning, Beijing 100012, China
Zhiguo Duan: Eco-Environment Low Carbon Development Center of Inner Mongolia, Hohhot 010011, China

Sustainability, 2024, vol. 16, issue 17, 1-17

Abstract: Synergistic control of the emissions of air pollutants and CO 2 is critical to the dual challenges of air quality improvement and climate change in China. Based on the emission inventories of thermal power units in Beijing, Tianjin, and Hebei, this study analyzes the CO 2 and NO X emission characteristics of these units, and identifies and quantifies the synergistic drivers affecting these emission trends. The inventory data show that, between 2010 and 2020, NO X emissions were reduced by 86.1%, while CO 2 emissions were reduced by only 29.8%. Although significant progress has been made in reducing NO X emissions through measures such as end-of-pipe treatment, controlling CO 2 emissions remains a difficult task. The index decomposition analysis reveals that economic growth is the main driver of CO 2 and NO X emission growth, energy intensity reduction is the main driver of CO 2 emission reduction, and end-of-pipe treatment is the main driver of NO X emission reduction. Currently, coal occupies about 87% of the energy consumption of thermal power units in the Beijing–Tianjin–Hebei region, and remains the main type of energy for synergistic emissions, and the potential for emission reduction in the energy structure remains huge. For NO X emissions, it is expected that 90% of the reduction potential can be achieved through energy restructuring and end-of-pipe treatment. In conclusion, this high-precision unit-by-unit emission study confirms the effectiveness of the control policy for thermal power units in the region and provides some scientific reference for future policy formulation.

Keywords: thermal power units; CO 2; NO X; synergistic drivers (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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