Abstract
To study the amount of fluorine emission from the combustion of the steam coal (mainly Permo-Carboniferous coal) from the North China Plate and Northwest China, the fluorine contents of the coal, the fly ash and the cinder in high-temperature power stations as well as mid-low temperature power stations have been analyzed. This note provides a rough estimate of the total annual amount of fluorine emission as well as emission ratio from steam coal combustion in China. Our results show that by combustion of 1 t of Permo-Carboniferous coal (containing roughly 100 g fluorine), high-temperature power stations emit roughly 90 g fluorine into the atmosphere. The fluorine emission ratio of coal combustion in high-temperature power stations is about 96% and that in mid-low temperature power stations is about 78%. A total of 800 million tons of coal is burnt in China every year, and the coal comes mainly from Permo-Carboniferous deposite in the North China Plate and Northwest China coal mines. Taking the average fluorine content of the coal used at a low value of 100 mg/kg, the total annual fluorine emission from steam coal combustion into the atmosphere is estimated to be 66398 t.
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Luo, K., Xu, L., Li, R. et al. Fluorine emission from combustion of steam coal of North China Plate and Northwest China. Chin. Sci. Bull. 47, 1346–1350 (2002). https://doi.org/10.1360/02tb9298
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DOI: https://doi.org/10.1360/02tb9298