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[PM2.5 Emission Characteristics and Estimation of Emission Reduction Potential from Typical Industrial Sources in
Xiao-Shen Du1, Li Yan2, Jin-Yu He2
1School of Chemistry and Molecular Engineering, Zhengzhou University, Zhengzhou 450001, China.
Abstract:
To investigate the characteristics of PM2.5 emissions in Anyang, the PM2.5 emission inventory from industrial sources of Anyang in 2016 was established based on reasonable estimation method and emission factor. The spatial distribution analysis was carried out using Geographic Information System (GIS) technology. Based on the industry's typical ultra-low emission transformation and coal pressure reduction requirements, three scenarios were set to estimate the PM2.5 emission reduction potential of industrial sources from Anyang in 2020. The results show that the total PM2.5 emissions from industrial sources in Anyang was 81071.13 t in 2016. Non-ferrous metallurgy, iron and steel, and building materials industries were the main contributing sources, accounting for 45.43%, 25.74%, and 18.00% of the total emissions, respectively. The emission differences between towns and within Anyang were outstanding. The PM2.5 emissions were mainly concentrated in urban areas, Linzhou City, and Anyang County. The emissions in Anyang City were most prominent, while the emission intensity differences between the four jurisdictions of Anyang City were even greater. In the three different control scenarios, the potential for PM2.5 emission reduction in Anyang in 2020 was estimated to be 398.72, 11623.87, and 14072.27 t, accounting for 0.49%, 14.34%, and 17.22% of the total industrial source emissions in 2016, respectively. It can be concluded that Anyang has a great potential for PM2.5 emission reduction. In addition, ultra-low emission reform and coal pressure reduction can be of great significance for PM2.5 emission reduction in Anyang.
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