SO.sub.2 removal process

Details SO.sub.2 removal process SO.sub.2 removal process

1975-10-15

1977-08-16

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423522, 423533, C01B 1700, C01B 1772, C01B 1768

Patent

active

040426688

ABSTRACT:
Sulfur dioxide is removed from oxygen-containing gases by contacting them with water having dispersed therein a chelate of manganese and a .beta.-diketone. The sulfur dioxide is oxidized to SO.sub.3 and absorbed into the water thus forming sulfuric acid.

REFERENCES:
patent: 3829457 (1974-08-01), Berrotti et al.
patent: 3923954 (1975-12-01), Petrey et al.
patent: 3937795 (1976-02-01), Hasibe

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