Transition metal oxide Bronsted acid catalysts

Details Transition metal oxide Bronsted acid catalysts Transition metal oxide Bronsted acid catalysts

1981-09-24

1983-11-15

Shine, W. J.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Silicon containing or process of making

502246, 502308, 502309, 502350, B01J 2104, B01J 2320, B01J 2330

Patent

active

044154801

ABSTRACT:
Solid acid catalysts having primarily Bronsted acidity which comprise at least one catalytic metal oxide component selected from the group consisting essentially of oxides of (a) tungsten, niobium and mixtures thereof and (b) mixtures of (a) with tantalum, hafnium, chromium, titanium, zirconium and mixtures thereof, supported on pyrogenic alumina. These catalysts are useful cracking catalysts and have exceptional high temperature steam stability.

REFERENCES:
patent: 2990249 (1961-06-01), Wagner
patent: 4233139 (1980-11-01), Murrell et al.
patent: 4244811 (1981-01-01), Grenoble et al.
patent: 4269737 (1981-05-01), Grenoble et al.

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