Catalysts with high cobalt surface area

Details Catalysts with high cobalt surface area Catalysts with high cobalt surface area

B - Operations, Transporting

01

J

B01J 37/08 (2006.01) B01J 23/75 (2006.01)

Patent

CA 2677762

A catalyst or precursor thereto comprising cobalt and/or a cobalt compound on a transition alumina support having a total cobalt content of at least 41 % by weight and a cobalt surface area, after reduction, greater than 25 m2 per gram of total cobalt. The catalyst or precursor may be made by slurrying a transition alumina powder having a pore volume of at least 0.7 ml/g with an aqueous cobalt ammine carbonate complex and heating the slurry to decompose the complex.

Catalyseur ou précurseur d'un tel catalyseur, constitué de cobalt et/ou d'un composé du cobalt sur un support d'alumine de transition dont la teneur totale en cobalt est d'au moins 41 % en poids et dont la surface de contact de cobalt, après réduction, est supérieure à 25 m2 par gramme de cobalt total. Le catalyseur ou le précurseur peut être obtenu en faisant une bouillie de poudre d'alumine dont le volume poreux est d'au moins 0,7 ml/g avec un complexe de carbonate d'amine et de cobalt en phase aqueuse et en chauffant la bouillie pour décomposer le complexe.

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