Flue gas desulfurization process

Details Flue gas desulfurization process Flue gas desulfurization process

1979-11-14

1982-12-28

Vertiz, O. R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

C01B 1700

Patent

active

043661343

ABSTRACT:
A regenerative process for the desulfurization of gas containing from about 100 ppm to about 30 volume percent sulfur dioxide in which the gas is contacted at from about 15.degree. to 80.degree. C. with an about 0.1 molar to saturated aqueous solution of potassium citrate at a pH of from about 3 to 9 and the contacted solution is then heated to strip sulfur dioxide therefrom.

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patent: 4133650 (1979-01-01), Germerdonk et al.
patent: 4140751 (1979-02-01), Vassan
Johnstone et al., Industrial Engineering Chemisty, vol. 30, No. 1, Jan., 1938, pp. 101-109.
Slack and Hollinden, Sulfur Dioxide Removal from Waste Gases, 1975, pp. 222-224.
Nissen et al., Proceedings: Symposium on Flue Gas Desulfurization, New Orleans, May 1976, pp. 843-864.
Oestreich, Equilibrium Partial Pressure of Sulfur Dioxide in Alkaline Scrubbing Processes, Oct. 1976.
Advanced Concepts: SO.sub.2 Removal Process Improvements, Nov., 1978, pp. 1-28.
Farrington et al., "The Flakt--Boliden Process for SO.sub.2 Recovery", Feb., 1979.

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