Method of burning sulfur-containing fuels in a fluidized bed boi

Details Method of burning sulfur-containing fuels in a fluidized bed boi Method of burning sulfur-containing fuels in a fluidized bed boi

1979-10-29

1982-05-11

Vertiz, O. R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

110345, C01B 1700, B01J 800

Patent

active

043293247

ABSTRACT:
A method of burning a sulfur-containing fuel in a fluidized bed of sulfur oxide sorbent wherein the overall utilization of sulfur oxide sorbent is increased by comminuting the bed drain solids to a smaller average particle size, preferably on the order of 50 microns, and reinjecting the comminuted bed drain solids into the bed. In comminuting the bed drain solids, particles of spent sulfur sorbent contained therein are fractured thereby exposing unreacted sorbent surface. Upon reinjecting the comminuted bed drain solids into the bed, the newly-exposed unreacted sorbent surface is available for sulfur oxide sorption, thereby increasing overall sorbent utilization.

REFERENCES:
patent: 3508506 (1970-04-01), Bishop
patent: 3533739 (1970-10-01), Pelczarski
patent: 3708266 (1973-01-01), Gustavson
patent: 3717700 (1973-02-01), Robison
patent: 3751227 (1973-08-01), Robison
patent: 3784676 (1974-01-01), Moss
patent: 4279207 (1981-07-01), Wormser

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