Process for conversion of alkaline earth sulfites and bisulfites

Details Process for conversion of alkaline earth sulfites and bisulfites Process for conversion of alkaline earth sulfites and bisulfites

1974-07-05

1977-12-06

Thomas, Earl C.

Chemistry of inorganic compounds

Modifying or removing component of normally gaseous mixture

Sulfur or sulfur containing component

423155, 423431, 423638, C01B 1700, C01F 100, C01F 524, C01B 1314

Patent

active

040617157

ABSTRACT:
There is disclosed a process for converting an alkaline earth metal sulfite or bisulfite selected from the group consisting of the sulfites or bisulfites of calcium and magnesium into an oxide form by reaction with hydrogen and water vapor at elevated temperatures particularly in connection with processes for the treatment of flue gases to reduce the amount of sulfur dioxide therein.

REFERENCES:
patent: 2726930 (1955-12-01), Edwards et al.
patent: 3402998 (1968-09-01), Squires
patent: 3475121 (1969-10-01), Thornton
patent: 3542511 (1970-11-01), Shah
patent: 3574350 (1971-04-01), Suriani et al.
patent: 3574543 (1971-04-01), Heredy et al.
patent: 3574544 (1971-04-01), Heredy et al.
patent: 3917795 (1975-11-01), Pelczarski et al.

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