Hydrofining catalyst and hydrofining process

B - Operations – Transporting – 01 – J

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B01J 35/10 (2006.01) B01J 23/85 (2006.01) B01J 27/19 (2006.01) C10G 45/04 (2006.01) C10G 45/08 (2006.01) B01J 21/04 (2006.01) B01J 37/00 (2006.01)

Patent

CA 2391793

A heavy oil hydrorefining catalyst of the present invention is such that the total volume of pores with a diameter of 60 nm or less is at least 0.5 mL/g, and the pore diameter distribution has a broad band over a pore diameter range of 8 to 30 nm. The hydrorefining catalyst has excellent desulfurization characteristics and excellent demetalization characteristics, and its performance can be maintained over an extended period. When this catalyst is used in a hydrorefining apparatus equipped with a plurality of catalyst layers, the apparatus can be operated stably at a higher temperature than in the past without decreasing the desulfurization performance, and this also enhances the demetalization characteristics.

L'invention concerne un catalyseur d'hydrodésulfuration comprenant un support poreux comportant un volume total de pores d'un diamètre inférieur ou égal à 60 nm de 0,5 ml/g et présentant une répartition du diamètre des pores à large bande dans la fourchette des diamètres de pores compris entre 8 et 30 nm. Ledit catalyseur, qui peut servir adéquatement à l'hydrodésulfuration d'une huile lourde, possède d'excellentes caractéristiques de désulfuration et de démétallisation, propriétés qu'il peut conserver à long terme. L'utilisation du catalyseur dans un appareil d'hydrodésulfuration comportant plusieurs couches de catalyseur permet audit appareil de fonctionner de façon stable à une température élevée, et ce sans nuire à ses propriétés de désulfuration, voire avec des caractéristiques de démétallisation améliorées.

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