Sulfuric acid catalyst and process therefor

Details Sulfuric acid catalyst and process therefor Sulfuric acid catalyst and process therefor

1977-12-21

1980-01-22

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252439, 252440, 423535, B01J 2702, B01J 2702, C01B 1768

Patent

active

041849809

ABSTRACT:
A sulfuric acid catalyst is made by passing sulfur dioxide gas into an aqueous mixture of vanadium oxide, sulfuric acid, and a potassium salt compatible with the reducing reaction in situ, until a clear blue solution is obtained, wetting diatomaceous earth with this solution, drying and then calcining to provide an active supported catalyst. The process eliminates the necessity for activating the catalyst prior to use by exposure to a gas-stream containing sulfur dioxide and sulfur trioxide.

REFERENCES:
patent: Re18380 (1932-03-01), Jaeger
patent: Re19282 (1934-08-01), Slama et al.
patent: 1696546 (1928-12-01), Jaeger et al.
patent: 1862825 (1932-06-01), Laury
patent: 2029376 (1936-02-01), Joseph
patent: 2381908 (1945-08-01), Hurt
patent: 3216953 (1965-11-01), Krempff
patent: 3275406 (1966-09-01), Krempff
patent: 3448061 (1969-06-01), Mika

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