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Coal dust explosibility.

Authors
Cashdollar-KL
Source
J Loss Prev Process Ind 1996 Jan; 9(1):65-76
NIOSHTIC No.
20022699
Abstract
This paper reports US Bureau of Mines (USBM) research on the explosibility of coal dusts. The purpose of this work is to improve safety in mining and other industries that process or use coal. Most of the tests were conducted in the USBM 20 litre laboratory explosibility chamber. The laboratory data show relatively good agreement with those from full-scale experimental mine tests. The parameters measured included minimum explosible concentrations, maximum explosion pressures, maximum rates of pressure rise, minimum oxygen concentrations, and amounts of limestone rock dust required to inert the coals. The effects of coal volatility and particle size were evaluated, and particle size was determined to be at least as important as volatility in determining the explosion hazard. For all coals tested, the finest sizes were the most hazardous. The coal dust explosibility data are compared to those of other hydrocarbons, such as polyethylene dust and methane gas, in an attempt to understand better the basics of coal combustion.
Keywords
Explosion; Coal-dust; Dust-explosions; Mining-industry; Coal-processing; Mineral-processing
CODEN
JLPIE9
Publication Date
19960101
Document Type
Journal Article
Fiscal Year
1996
NTIS Accession No.
NTIS Price
ISSN
0950-4230
NIOSH Division
PRC
Priority Area
Other Occupational Concerns
Source Name
Journal of Loss Prevention in the Process Industries
State
PA
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