Process for the recovery of sulfur dioxide from gas flows

Details Process for the recovery of sulfur dioxide from gas flows Process for the recovery of sulfur dioxide from gas flows

1989-01-31

1990-08-14

Heller, Gregory A.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

C01B 1700

Patent

active

049485725

ABSTRACT:
SO.sub.2 containing gas is purified by means of an aqueous absorption solution, and SO.sub.2 is regenerated from this solution. There is used an absorption solution containing a phosphate buffer, and SO.sub.2 is removed from the absorption solution together with water by evaporation.

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Schmidt, Int. J. Sulfur Chem., Part B, vol. 7, No. 1, pp. 11-19 (1972).
Eldring, I. Chem. E. Symposium Series No. 57, Apr. 1979, pp. J1-J20.

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