Journal
FUEL
Volume 128, Issue -, Pages 428-432Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2014.03.040
Keywords
Barium; Mode of occurrence; Mineral in coal; Ordos Basin
Categories
Funding
- National Natural Science Foundation of China [41330317, 41102095]
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This paper describes the modes of occurrence of significantly-enriched barium in a Jurassic coal in the Ordos Basin, northern China. A total of 14 bench samples were taken from a mining face in the Huangling 2 Mine, situated southeastern of the Ordos Basin, China. The coal investigated in this study is characterized by high volatile matter, low ash yield, and low sulfur content. The average content of barium (5728 mu g/g) is about 36 times higher than that of common Chinese coals. SEM-EDS data show that the carriers of barium are witherite and strontianite, both of which are of epigenetic origin. It is inferred that the barium was originated from the Ba-ore deposits in the black shales in the Qinling Mountains, located to the south of the Ordos Basin. (C) 2014 Elsevier Ltd. All rights reserved.
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