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Inhibition effect of inert compounds on oil shale dust explosion

Authors
Publisher
Elsevier Ltd
Publication Date
Volume
18
Issue
5
Identifiers
DOI: 10.1016/s1359-4311(97)00085-9
Keywords
  • Dust Explosions
  • Inhibition
  • Solid-Fuel Combustion
Disciplines
  • Chemistry

Abstract

Abstract The inhibition effect of inert chemical compounds on oil shale dust explosion was investigated by measuring the minimum ignition temperature and the minimum explosive concentration of oil shale in the dust sample. Initially these two parameters were measured without the addition of inhibitors and for different particle sizes of oil shale. It was found that the oil shale particles with a size range from 63 to 75 microns were the most probable to explode, with a measured ignition temperature of 570°C and a minimum explosive concentration of 155 g/l. Then the inhibition effect was carried out on this particular size range using three types of inhibitors each with various concentrations. Of the three inert additives used, calcium carbonate showed the highest inhibition effect followed by stone, while clay has the least inhibition effect.

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