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Relationship between occurrence mode of arsenic in coal and its washing rate

Ranliao Huaxue Xuebao/Journal of Fuel Chemistry and Technology

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Abstract

Based on the analysis of 15 raw coals and washed coals collected from Southwestern, the washing rate of arsenic, sulfur and ash from raw coals was studied. The average washing rate of arsenic in raw coal is 38%. Arsenic of raw coals is mainly associated with pyrite and sulfide. However, arsenic of some raw coals is mainly or wholly associated with organic matter and mineral enwrapped by organic matter. It is difficult to remove such part of arsenic and it will enrich in the washed coals. The results show that there is a little relationship between occurrence mode of arsenic associated with organic sulfur and rank of coal, but it is complicated with age of coal-bearing strata.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Relationship between occurrence mode of arsenic in coal and its washing rate
Series title:
Ranliao Huaxue Xuebao/Journal of Fuel Chemistry and Technology
Volume
33
Issue:
2
Year Published:
2005
Language:
Chinese
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Ranliao Huaxue Xuebao/Journal of Fuel Chemistry and Technology
First page:
253
Last page:
256
Number of Pages:
4