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Burnout Control of Fires in Abandoned Coal Mines and Waste Banks by in Situ Combustion.

Authors
Chaiken-RF; Dalverny-LE; Irani-MC; Zlochower-IA
Source
Proc 7th Underground Coal Conversion Symp Fallen Leaf Lake California, Sept 8-11 1982 :380-392
Link
NIOSHTIC No.
10004047
Abstract
The Bureau of Mines investigated a novel approach to eliminating environmental and public safety hazards that are associated with fires in abondoned coal mines and waste banks which involves the use of in situ combustion technology to accelerate the burning of the wasted coals in place. This technology would be used under exhaust ventilation control conditions that would allow for total management of the hot gases produced. Combustion stoichiometries would be optimized to minimize unburnt combustibles and to maximize the heat content of the gas products, which will be exhausted at one or more fan locations. When necessary, scrubber systems would be employed to remove air pollutants, such as sulfur dioxide; heat utilization systems (process heat, steam, and electricity) would also be employed to offset operational costs. Ultimately, complete burnout would solve the fire and acid water formation problems of the abandoned coal mine or waste bank. Pertinent technical data from the burning of tonnage quantities of coal and coal refuse under simulated in situ conditions are discussed in this paper in terms of burnout control.
Publication Date
19820101
Document Type
OP;
Fiscal Year
1982
NTIS Accession No.
NTIS Price
Identifying No.
OP 96-84
NIOSH Division
PRC;
Source Name
Proc. 7th Underground Coal Conversion Symp., Fallen Leaf Lake, California, Sept.8-11, 1982, PP. 380-392
State
CA;
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