Catalyst composition and process for making same

Details Catalyst composition and process for making same Catalyst composition and process for making same

B - Operations, Transporting

01

J

B01J 37/02 (2006.01) B01J 23/44 (2006.01) B01J 35/00 (2006.01) B01J 35/08 (2006.01) C07C 67/055 (2006.01) C07C 69/15 (2006.01)

Patent

CA 2353189

A process for preparing a supported metal catalyst composition which comprises impregnating microspheroidal support particles with a solution of at least one catalytically active metal, or precursor, drying the impregnated support particles and then treating the mobile metal, or precursor in a mobile state with a liquid comprising at least one reducing agent to deposit and immobilize the metal, or its precursor, in the support particles such that the metal, or its precursor, is distributed in the support particle in a layer below the surface of the support particle, the layer being between an inner and an outer region having a lower concentration of metal or precursor. Also, a composition comprising microspheroidal support particles having at least one catalytically active metal or precursor thereof distributed in a layer below the surface of the particles, the layer being between an inner and an outer region of the support particle each having a lower concentration of metal or precursor.

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