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The effect of admixed material on the ignition temperature of dust layers in hot environments


, : The effect of admixed material on the ignition temperature of dust layers in hot environments. Journal of Hazardous Materials 63(1): 25-35, Oct 23

The ignition temperature of dust layers in a hot environment, has been investigated for several particle sizes, mixtures of coarse and fine dusts of the same material, and mixtures containing partially coarse dusts of limestone. Oil shale and tar sand were used as the industrial materials. Measurement were made in a tube furnace. The results obtained indicated that the ignition temperature is dependent on the particle size and the depth of the layer, and an admixture of coarse dust of 50% of the same material and limestone to fine dust for all the layers of both materials is sufficient to increase the values of the ignition temperature by 0% to 2.1% and 10.9% to 18.4% for mixtures of the same material and mixtures containing limestone, respectively.

US$19.90

DOI: 10.1016/s0304-3894(98)00178-2


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