Hydroconversion processes employing multi-metallic catalysts...

Details Hydroconversion processes employing multi-metallic catalysts... Hydroconversion processes employing multi-metallic catalysts...

B - Operations, Transporting

01

J

B01J 31/02 (2006.01) B01J 31/04 (2006.01)

Patent

CA 2703779

A catalyst precursor composition and methods for making such a catalyst precursor are disclosed. The catalyst precursor comprises at least a promoter metal selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof having an oxidation state of +2 or +4, at least one Group VIB metal having an oxidation state of +6, and at least one organic oxygen-containing ligand. Catalysts prepared from the sulfidation of such catalyst precursors are used in the hydroprocessing of hydrocarbon feeds.

L'invention concerne une composition de précurseur de catalyseur et des procédés pour fabriquer un tel précurseur de catalyseur. Le précurseur de catalyseur comprend au moins un métal de promoteur sectionné parmi le groupe VIII, le groupe IIB, le groupe IIA, le groupe IVA et des combinaisons de ceux-ci ayant un stade d'oxydation de +2 ou +4, au moins un métal du groupe VIB ayant un état d'oxydation de +6 et au moins un ligand organique contenant de l'oxygène. Des catalyseurs préparés à partir de la sulfuration de tels précurseurs de catalyseur sont utilisés dans l'hydrotraitement d'hydrocarbures.

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