Method for removing sulfur dioxide from exhaust gas

Details Method for removing sulfur dioxide from exhaust gas Method for removing sulfur dioxide from exhaust gas

1976-06-15

1978-05-30

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423166, 423499, C01B 1700

Patent

active

040924025

ABSTRACT:
Scale is formed in a closed system wherein an exhaust gas containing sulfur dioxide is treated with an aqueous solution containing an organic acid alkali salt to remove the sulfur dioxide in the form of gypsum from the exhaust gas. The method disclosed herein prevents formation of scale in such a closed system.

REFERENCES:
patent: 2090142 (1937-08-01), Nonhebel et al.
patent: 2090143 (1937-08-01), Nonhebel et al.
patent: 3843789 (1974-10-01), Specta et al.
patent: 3928537 (1975-12-01), Saitoh et al.
Industrial and Engineering Chemistry, vol. 53, No. 8, Aug. 1971, p. 620.

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