Process to desulfurize gas and recover sulfur

Details Process to desulfurize gas and recover sulfur Process to desulfurize gas and recover sulfur

1974-02-21

1976-10-19

Vertiz, Oscar R.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423422, 423428, C01B 1700

Patent

active

039871479

ABSTRACT:
A continuous cyclic process for removing sulfur dioxide from gases produced in the combustion of fossil fuels or in chemical and metallurgical operations by means of an aqueous solution including the carbonate of an alkali metal to absorb said oxide out of said gases whereby the metal carbonate is converted into the metal sulfite. A two step recovery process is employed to reproduce the aqueous carbonate solution for reuse in the absorption step and to produce hydrogen sulfide which may be converted into elemental sulfur by well known means, if desired.

REFERENCES:
patent: 1918513 (1933-07-01), Wagner
patent: 3401010 (1968-09-01), Guerrieri
patent: 3402992 (1968-09-01), Ahlborg
patent: 3438727 (1969-04-01), Heredy
patent: 3574545 (1971-04-01), Granthan

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