Heat resistant catalyst for the production of sulfuric acid for

Details Heat resistant catalyst for the production of sulfuric acid for Heat resistant catalyst for the production of sulfuric acid for

1977-09-27

1981-10-13

Gantz, Delbert E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

423535, B01J 2702

Patent

active

042947235

ABSTRACT:
A heat resistant catalyst for the production of sulfuric acid for using a gas containing sulfur dioxide in a high concentration which comprises vanadium pentoxide as a main catalytic component, potassium sulfate as a promotor and at least one carrier selected from the group consisting of silica sol and diatomaceous earth, wherein a ratio of K.sub.2 O(mol)/V.sub.2 O.sub.5 (mol) is 3.8 to 5.5, V.sub.2 O.sub.5 content is 5.5 to 7.5% by weight and sum of a value of said ratio and the V.sub.2 O.sub.5 content (% by weight) is 9.3 to 11.

REFERENCES:
patent: 2799560 (1957-07-01), Davies
patent: 2941957 (1960-06-01), Pinchbeck et al.
patent: 2973371 (1961-02-01), Chomitz et al.
patent: 3186794 (1965-06-01), Davies
patent: 3226338 (1965-12-01), Riley et al.
patent: 3795732 (1974-03-01), Fleming
patent: 3917797 (1975-11-01), Reed et al.
patent: 3933991 (1976-01-01), Dorn et al.

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