Fluidized bed system for removing particulate contaminants from

Details Fluidized bed system for removing particulate contaminants from Fluidized bed system for removing particulate contaminants from

1989-05-09

1990-11-27

Hart, Charles

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

55 73, 55 74, 55 77, 55302, 55390, 55523, 422144, C01B 1700, B01D 5306

Patent

active

049734580

ABSTRACT:
An apparatus and method for removing particulate contaminants, and optionally gaseous contaminants, from a hot gaseous stream where a vessel is provided containing a fluidized bed zone and the gases are passed through the fluidized bed zone containing a fluidized bed of granular media prior to passage of a major portion of the gas through a plurality of first hollow, ceramic, barrier filter elements at least partially disposed in the fluidized bed, and a minor portion thereof through a plurality of second hollow, ceramic, barrier polishing filter elements removed from the fluidized granular media. The plurality of first filter elements are scoured by the granular media to remove collected deposits while fine particulates collected on the plurality of second filter elements are removed by back flushing of a gas therethrough.

REFERENCES:
patent: 2548875 (1951-04-01), Degnen et al.
patent: 4650647 (1987-03-01), Kito et al.

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