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

1982-05-27

1983-05-24

Vertiz, O. R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423244, 423421, 423422, 423428, C01B 1700, B01J 800, C01D 800

Patent

active

043850391

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

REFERENCES:
patent: 1215517 (1927-02-01), Gillen
patent: 1756122 (1930-04-01), Hellmes
patent: 2196004 (1940-04-01), Bacon et al.
patent: 3775532 (1973-11-01), Shah
patent: 3846535 (1974-12-01), Rivers et al.
patent: 4146569 (1979-03-01), Giammarco et al.

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