Preparation and use of catalysts comprising a mixture of tungste

Details Preparation and use of catalysts comprising a mixture of tungste Preparation and use of catalysts comprising a mixture of tungste

1989-02-15

1990-01-02

McFarlane, Anthony

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208112, 208120, 208123, C10G 4704, C10G 1104

Patent

active

048911275

ABSTRACT:
Useful cracking catalysts and catalyst supports comprising a mixture of tungsten oxide and silica supported on a boehmite-like surface which, in turn, is supported on alumina are prepared by forming a composite of particles of (a) tungsten oxide, (b) silica and (c) boehmite and subjecting the composite to steaming at a temperature of at least about 500.degree. C. During the steaming, the tungsten oxide and silica react with the surface of the boehmite as the boehmite converts to alumina.

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