Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Sulfur or sulfur containing component
Patent
1981-03-05
1982-12-28
Garris, Bradley
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Sulfur or sulfur containing component
55228, 55250, 55259, 422169, 422225, 423555, B01D 5334, B01J 1000
Patent
active
043661327
ABSTRACT:
A method of and an apparatus for the scrubbing of waste gases and especially combustion gases by chemisorption. According to the invention combustion gases which can contain sulfur dioxide are scrubbed with water in the presence of lime and the scrubbing liquid is collected directly beneath the scrubbing column in an oxidation basin which is provided with means for introducing oxygen into the liquid to promote the formation of calcium sulfate crystals. The gases can sweep across the top of this basin and, at the outlet thereof, a coarse droplet separator is provided followed by a fine droplet separator or demister. Spray-water nozzles can be provided between the droplet separators for cleaning them.
REFERENCES:
patent: 3789585 (1974-02-01), Arnold et al.
patent: 3791109 (1974-02-01), Gustavsson
patent: 3856487 (1974-12-01), Perez
patent: 4039307 (1977-08-01), Bondor
patent: 4239515 (1980-12-01), Yanagioka et al.
patent: 4263024 (1981-04-01), Vander Velden et al.
Dewert Heribert
Dzikowski Berthold
Gresch Heinz
Holter Heinz
Igelbuscher Heinrich
Garris Bradley
Holter Heinz
Ross Karl F.
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