Processes for conversion of sulfurous anhydride to sulfuric anhy

Details Processes for conversion of sulfurous anhydride to sulfuric anhy Processes for conversion of sulfurous anhydride to sulfuric anhy

1977-12-21

1979-06-12

Vertiz, O. R.

Chemistry of inorganic compounds

Sulfur or compound thereof

Oxygen containing

423534, C01B 1768

Patent

active

041580486

ABSTRACT:
Novel processes for converting sulfurous anhydride to sulfuric anhydride and vice versa, which processes are carried out in the gaseous phase with a catalyst comprising iron, copper, and at least one alkali metal selected from among sodium and potassium, the catalyst simultaneously having good activity at 600.degree. C. and withstanding temperatures up to 850.degree. C. without degradation.

REFERENCES:
patent: 716985 (1902-12-01), Clemm
patent: 1018402 (1912-02-01), Albert
patent: 1741310 (1929-12-01), Jaeger
patent: 1852207 (1932-04-01), Holmes
patent: 2029530 (1936-02-01), Jaeger
patent: 2037028 (1936-04-01), Jaeger
patent: 3318662 (1967-05-01), Pauling
patent: 3987153 (1976-10-01), Stiles

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