Process for the preparation of a catalyst based on cobalt...

Details Process for the preparation of a catalyst based on cobalt... Process for the preparation of a catalyst based on cobalt...

B - Operations, Transporting

01

J

B01J 23/83 (2006.01) B01J 37/02 (2006.01) C07C 1/04 (2006.01)

Patent

CA 2264697

Process for the preparation of a catalyst comprising an inert carrier, a larger quantity of cobalt and smaller quantities of scandium, characterized in that it comprises the following steps: 1) production of a first catalytic precursor (A) containing cobalt and at least part of the inert carrier, by the deposition of cobalt on the inert carrier, subsequent calcination, reduction and passivation of the inert carrier containing cobalt; 2) production of the final catalyst by the deposition of scandium on the catalytic precursor (A); subsequent calcination, reduction and passivation of the inert carrier containing cobalt and scandium.

L'invention concerne un procédé pour la préparation d'un catalyseur comprenant un vecteur inerte, une plus grande quantité de cobalt et de plus faibles quantités de scandium. Ce procédé se caractérise en ce qu'il comprend les étapes consistant à (1) produire un premier précurseur catalytique (A) contenant du cobalt et au moins une partie du vecteur inerte, par dépôt de cobalt sur le vecteur inerte, avant de procéder à la calcination, la réduction et la passivation du vecteur inerte à base de cobalt; (2) produire le catalyseur final par dépôt de scandium sur le précurseur catalytique (A) puis à effectuer la calcination, la réduction et la passivation du vecteur inerte contenant du cobalt et du scandium.

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