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Fluorine in Asturian coals

✍ Scribed by M.Rosa Martinez-Tarazona; Geima P. Suarez-Fernandez; Jose M. Cardin


Book ID
103093458
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
565 KB
Volume
73
Category
Article
ISSN
0016-2361

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Fluorine was determined in 57 samples of coals from western Canada and the Yukon (47 bituminous, 4 subbituminous, 6 lignite) by a pyrohydrolysis method. The range of values is 31-930 ppmw F in dry coal, the lowest values being mainly for the low-rank coals. For bituminous coals most values are in th

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About 300 coal samples were collected to study the fluorine content and distribution pattern in Chinese coals in different coal basins and geologic periods. The Permo -Carboniferous and Jurassic coals in the North China Plate and Northwest China account for nearly 90% of Chinese coals and their fluo