Abstract：
:Crude steel production in China made up the majority of the global output, at 49.5% in 2014. High temperature smelting processes result in the release of natural radionuclides, including radon gas and other air pollutants into the atmosphere. This paper conducts an analysis of the raw materials, end products and flue gas sampled from an integrated steel plant from within China's Jiangxi Province, with annual production of 8.50 Mt of crude steel. Normalized stack emissions factors of radionuclides from steel production were first reported in China. The results showed that sintering was the main process that released natural radionuclides, and the main radionuclides released into the atmosphere were 222Rn (86.4 GBq/Mt), 210Pb (13.4 GBq/Mt), and 210Po (1.71 GBq/Mt). The results provided essential basic data for radiological impact assessment of steel production, as well as that of nuclear energy chain, coal chain and other electricity sources.
journal_name
J Environ Radioactjournal_title
Journal of environmental radioactivityauthors
Li J,Pan Z,Jiang Z,Liu S,Wang C,Zhang Y,Wang C,Chen L,Huang Z,Pan J,Xu Xdoi
10.1016/j.jenvrad.2018.08.002subject
Has Abstractpub_date
2018-12-01 00:00:00pages
97-103eissn
0265-931Xissn
1879-1700pii
S0265-931X(18)30245-5journal_volume
195pub_type
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