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Large-Scale Dust Explosions: Treated Vs. Non-Treated Rock Dust

Public Domain

  • 01/01/2019

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  • Description:
    Past research showed that bituminous coal dust remains dry and dispersible in the presence of moisture. Rock dust must disperse with the coal dust to effectively inert a propagating coal dust explosion. Non-treated rock dust readily absorbs moisture, limiting its dispersibility, while anti-caking treated rock dusts can remain dry. The National Institute for Occupational Safety and Health contracted the Central Mining Institute in Poland to conduct large-scale testing in their Experimental Mine Barbara to determine if a treated rock dust can be as effective as non-treated rock dust in attenuating or quenching coal dust explosions under the same experimental conditions.
  • Document Type:
    Book
  • CIO:
    NIOSH
  • Division:
    NIOSH Mining
  • Location:
    North America
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:1cd593cf088e72a353e32c72d4b4a8cec1c5a6b707f4e7f15d5c927a573fbc3d883423e36519d4e559e0d709df705647189922336e650e5f8c5400261e1add1e
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  • File Type:
    Filetype[PDF - 1.16 MB ]
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