A process for presulphiding hydrocarbon conversion catalysts

B - Operations – Transporting – 01 – J

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B01J 37/20 (2006.01) C10G 47/06 (2006.01)

Patent

CA 2258001

The invention provides a process for presulphurizing porous particles of a sulphidable catalyst containing at least one metal or metal oxide, which comprises: (a) impregnating the catalyst with an inorganic polysulphide solution and at least one water-soluble oxygenated hydrocarbon to obtain a sulphur-incorporated catalyst in which at least a portion of the sulphide or sulphur is incorporated in the pores of the catalyst; and (b) heating the sulphur-incorporated catalyst in the presence of a non-oxidizing atmosphere; presulphurized catalysts and their use in hydrocarbon conversion processes.

L'invention concerne un procédé permettant de présulfurer des particules poreuses d'un catalyseur pouvant être sulfuré et contenant au moins un métal ou un oxyde métallique. Selon le procédé, a) on imprègne le catalyseur avec une solution polysulfurée inorganique et au moins un hydrocarbure oxygéné hydrosoluble, de façon à obtenir un catalyseur contenant du soufre incorporé, dans lequel au moins une partie du sulfure ou du soufre est incorporée dans les pores; et b) on chauffe le catalyseur contenant du soufre incorporé en présence d'une atmosphère non oxydante. L'invention concerne également des catalyseurs présulfurés et leur utilisation dans les processus de conversion des hydrocarbures.

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