Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Sulfur or sulfur containing component
Patent
1975-06-06
1976-08-24
Vertiz, Oscar R.
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Sulfur or sulfur containing component
423551, 423555, B01J 800, C01B 1700
Patent
active
039767477
ABSTRACT:
A method and apparatus for removing sulfur oxides from flue gas comprise cooling and conditioning the hot flue gas to increase the degree of water vapor saturation prior to passage through a bed of substantially dry carbonate chips or lumps, e.g., crushed limestone. The reaction products form as a thick layer of sulfites and sulfates on the surface of the chips which is easily removed by agitation to restore the reactive surface of the chips.
REFERENCES:
patent: 3505008 (1970-04-01), Frevel et al.
patent: 3851042 (1974-11-01), Minnick
patent: 3862295 (1975-01-01), Tolles
Cross William G.
Shale Correll C.
Carlson Dean E.
Heller Gregory A.
The United States of America as represented by the United States
Uzzell Allen H.
Vertiz Oscar R.
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