Abstract
A detailed comparison was done between the data about the F in coals published at home and abroad, and associated with the special situation in China. An introduction also was made to illuminate the forming, occurrence and accumulation of the F in coals and its potential hazard to human and environment. Analytical data of coal samples were referred to study the great difference of the F content between coals and gangue. The results show that the average value of the F in the coal samples collected in different coalfields of China is 304×10−6, while that of gangue samples is surprisingly 1 319×10−6, especially the F content of coal ash from Bangmai in Yunnan Province reaches 4 800×10−6. It has been proved in many provinces of China that burning the coal and clay mixture can produce F contamination.
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Supported by “973 Program” (2006CB202202); The National Natural Science Foundation of China(40572090, 40272124)
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Ao, Wh., Huang, Wh., Chen, J. et al. The concentration of fluorine in coals and gangue of China. J Coal Sci Eng China 14, 92–96 (2008). https://doi.org/10.1007/s12404-008-0019-z
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DOI: https://doi.org/10.1007/s12404-008-0019-z