Process for calcining pulverulent material
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United States of America Patent
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Apr 22, 1986
Issued Date -
N/A
app pub date -
Jul 24, 1984
filing date -
Sep 28, 1981
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Expired
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Abstract
A process for the calcination of a solid pulverulent material comprises the steps of gasifying a solid fuel in a fluidized bed to produce an ascending current of gaseous fuel, and injecting the material in an oxidizing carrier gas into the ascending gaseous fuel current above the fluidized bed of solid fuel to disperse the pulverulent material in the gaseous fuel current, the flow velocity of the gases in the zone of injection of the material into the current being sufficient to entrain the material in the gases and to prevent them from falling into the fluidized bed.
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