Preparing a catalyst containing a group viii metal and a...

Details Preparing a catalyst containing a group viii metal and a... Preparing a catalyst containing a group viii metal and a...

B - Operations, Transporting

01

J

B01J 37/16 (2006.01) B01J 23/58 (2006.01) B01J 23/78 (2006.01) B01J 37/02 (2006.01)

Patent

CA 2166522

Catalysts containing a Group VIII metal and a non-acidic promoter are prepared by simultaneous impregnation using a first aqueous solution of a chelating ligand such as ethylenediaminetetraacetic acid and a promoter metal salt which is prepared and heated to a temperature of 80°C to its boiling point and then combined with a second aqueous solution containing a Group VIII metal compound. This mixed solution is aged at a temperature of 40 to 100°C and then used to impregnate a support, e.g., alumina spheres. The impregnated support is then dried, calcined and reduced with hydrogen. Prior to reduction the catalyst may optionally be treated with a chlorine or chloride stream.

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