Method of absorbing sulfur oxides from flue gases in seawater

Details Method of absorbing sulfur oxides from flue gases in seawater Method of absorbing sulfur oxides from flue gases in seawater

1981-02-06

1982-06-29

Vertiz, O. R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

C01B 1700

Patent

active

043372309

ABSTRACT:
A method of absorbing sulfur oxides from flue gases in seawater, comprising adding to the seawater calcium based alkali subsequent to the absorption, and then introducing the seawater to which alkali has been supplied into a decarbonation/oxidation reactor to which an oxygen-containing gas is supplied in order to oxidize sulfur oxides in the seawater and to strip carbon dioxide from the seawater. When the seawater has been removed from the decarbonation/oxidation reactor, calcium based alkali is again added to the seawater in order to increase its pH.

REFERENCES:
patent: 3389829 (1968-06-01), Starford
patent: 3781407 (1973-12-01), Kamijo et al.
patent: 3944649 (1976-03-01), Field et al.
patent: 3980756 (1976-09-01), Dixson et al.
L. A. Bromley, Int. J. Sulfur Chemistry, Part B, vol. 7, No. 1, 1972, pp. 77-84.
"The Flakt-Hydro Process Sulfur Dioxide Removal by Seawater" Oct. 1978.
B. Colliander, "Status Report per Apr. 1, 1978, Concerning Desulfurization of Flue Gas", 1978.
A. Litter, "Flue Gas Washing at Power Stations in the U.K. 1933-1977", Jul. 1976.
F. Kelly, "Design and Operation of a Counter Current Gas Scrubbing System" Australian Inst. Min. Metals, (1949), pp. 17-37.

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