Transition metal oxide acid catalysts

Patent · Tue Apr 03 04:00:00 EST 1984

OSTI ID:6418837

Grenoble, D C; Kim, Ch J; Murrell, L L

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/sup 0/ 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.

• Assignee: Exxon Research and Engineering Co.
• Patent Number(s): US 4440872
• OSTI ID: 6418837
• Country of Publication: United States
• Language: English

Related Subjects

37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
400201* -- Chemical & Physicochemical Properties
ALUMINIUM COMPOUNDS
ALUMINIUM OXIDES
CATALYST SUPPORTS
CATALYSTS
CATALYTIC EFFECTS
CHALCOGENIDES
CHEMICAL PREPARATION
DISPERSIONS
ELEMENTS
HIGH TEMPERATURE
METALS
MINERALS
MIXTURES
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
QUANTITY RATIO
SILICA
SILICON COMPOUNDS
SILICON OXIDES
STEAM
SYNTHESIS
TRANSITION ELEMENTS