Patent ID: 6699812
Filing Date: 2004-03-02
Classification: B01J,C07D

Abstract:
A process for producing an epoxidation catalyst comprising:(a) blending a mixture comprising a titanium zeolite powder, water, at least one binder, at least one plasticizer, a pore-forming substance and optionally other additives, in order to form a paste, (b) shaping the paste obtained in step (a) by extrusion, in order to obtain an extrudate, (c) drying in order to remove at least some of the water, (d) calcining in order to remove at least some of the organic residues present, and comprising a granulation step carried out between the shaping step (b) and the drying step (c) or after the calcining step (d), in order to obtain extruded granules, wherein the pore-forming substance is added to the mixture of step (a) in an amount of from 5 to 35% by weight relative to the weight of titanium zeolite employed.