Method for dry removal of sulfur dioxide from furnace flue, coal

Details Method for dry removal of sulfur dioxide from furnace flue, coal Method for dry removal of sulfur dioxide from furnace flue, coal

1972-09-11

1976-09-28

Peters, G. O.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423532, B01J 800

Patent

active

039832180

ABSTRACT:
A process using run-of-the-mill flue dust from open hearth and basic oxygen steel making processes having certain iron-zinc values as a sulfur dioxide absorbent and pollutant control for industrial and public utility furnace flue gases, which materials, upon solid dry injection into a chemical reaction zone of an industrial or public utility furnace in an amount in excess over stoichiometric, results in substantial dry removal of the sulfur dioxide therefrom, and from which reaction products are cleaned by conventional gas cleaning apparatus.

REFERENCES:
patent: 931515 (1909-08-01), Sprague
patent: 1498168 (1924-06-01), Hill
patent: 3374085 (1968-03-01), Stone
patent: 3436192 (1969-04-01), Karlsson
patent: 3492083 (1970-01-01), Lowicki et al.
patent: 3669617 (1972-06-01), Lowicki et al.

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