Analysis of the PM2.5 emission inventory and source apportionment in Jilin City, Northeast of China
2020
Fang, Chunsheng | Wang, Liyuan | Gao, Hanbo | Wang, Ju
This study collected and compiled statistical data on atmospheric pollution in Jilin City, China during 2013–2014, using models and methods to calculate the source proportion of PM₂.₅ emitted by various sources. The statistical activity levels and emission factors of various pollution sources were found to be key parameters for obtaining the total amount of PM₂.₅ in the exhaust gas emitted from all types of pollution sources using an emissions model. In this study, relevant data were collected by the top-down method, and pollutant emission was calculated by the emission factor method to establish the PM₂.₅ pollution emission inventory of Jilin City. The source apportionment was calculated using the Chemical Mass Balance (CMB) model. Industrial process source and fixed combustion source are the largest sources of PM₂.₅ emission from all sources, respectively. Among the two calculation results, the results of pollution emission inventory are more accurate. The PM₂.₅ emission inventory in Jilin was established and countermeasures were proposed focused on the coordinated control of air pollution and the prevention and control of industrial dust pollution sources, as well as environmental management and impact assessment.
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