Transition metal oxide acid catalysts

Details Transition metal oxide acid catalysts Transition metal oxide acid catalysts

1981-12-18

1984-04-03

Dees, Carl F.

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

Catalyst or precursor therefor

Silicon containing or process of making

502246, 502248, B01J 2112, B01J 2330

Patent

active

044408722

ABSTRACT:
Acid catalysts comprising a catalytic metal oxide component wherein said metal is selected from the group consisting essentially of (a) tungsten, niobium and mixtures thereof and (b) mixtures of (a) with tantalum, hafnium, chromium, titanium, zirconium and mixtures thereof, supported on a silica-containing inorganic refractory metal oxide support support wherein the silica content thereof is less than 50 wt. % of the total support, said catalyst being steamed prior to use at a temperature at least 600.degree. C. In a preferred embodiment, the support will comprise a mixture of silica and the .gamma.-alumina wherein the silica content is less than 25 wt. % thereof.

REFERENCES:
patent: 2726234 (1955-12-01), Field et al.
patent: 2817626 (1957-12-01), Mabry, Jr. et al.
patent: 2849383 (1958-08-01), Hirschler et al.
patent: 2921025 (1960-01-01), Holm et al.
patent: 3294674 (1966-12-01), Beuther et al.
patent: 3318863 (1967-05-01), Juveland
patent: 4129592 (1978-12-01), Slinkard et al.
patent: 4269737 (1981-05-01), Grenoble et al.

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