Influence of specific surface area on coal dust explosibility using the 20-L chamber

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Particle size and surface area effects on explosibility using a 20-L chamber.

The Mine Safety and Health Administration (MSHA) specification for rock dust used in underground coal mines, as defined by 30 CFR 75.2, requires 70% of the material to pass through a 200 mesh sieve (<75 µm). However, in a collection of rock dusts, 47% were found to not meet the criteria. Upon further investigation, it was determined that some of the samples did meet the specification, but were ...

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ژورنال

عنوان ژورنال: Journal of Loss Prevention in the Process Industries

سال: 2018

ISSN: 0950-4230

DOI: 10.1016/j.jlp.2018.03.004