Shell Oil Comapny

Frank J Janssen

Donald Reinalda

Coenraad H Wilms

Hendrik W Bruijn

Jan Karel Frederik Buijink

The invention relates to a process for the preparation of an epoxidation catalyst which process involves (a) drying a silica gel carrier having a weight average particle size of from 0.1 mm to 2 mm at a temperature of from more than 200&#xb0; C. to 300&#xb0; C., and (b) contacting the carrier obtained in step (a) with a gas stream containing titanium halide to obtain an impregnated carrier, and the use of such catalyst in the preparation of alkylene oxide.

Catalyst preparation

1. A catalyst system for olefin disproportionation containing molybdenum oxide supported on alumina prepared by a process which comprises:

Catalyst system for olefin disproportionation

A catalyst system for olefin disproportionation containing molebdenum oxide supported on alumina prepared by a process which comprises:

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Am Amsterdam, Netherlands

Frank J Janssen