Process for removal of sulfur oxides from waste gases

Details Process for removal of sulfur oxides from waste gases Process for removal of sulfur oxides from waste gases

1983-04-06

1984-11-06

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423166, 423421, 423422, 423428, C01B 1700, B01J 800, C01D 800

Patent

active

044811721

ABSTRACT:
A process for removing sulfur oxides from waste gas is provided. The gas is contacted with an activated sodium carbonate sorbent and, utilizing an alkaline ammonia liquor so as to reduce the flow rates and loss of alkalinity, the spent sorbent is regenerated with an alkaline earth metal oxide or hydroxide.

REFERENCES:
patent: 3846535 (1974-11-01), Fonseca
patent: 3852410 (1974-12-01), Rivers et al.
patent: 3962410 (1976-06-01), Renault et al.
patent: 4164543 (1979-08-01), Dezael et al.
patent: 4247525 (1981-01-01), Voeste
patent: 4283372 (1981-08-01), Frint et al.
patent: 4385039 (1983-05-01), Lowell et al.

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