Hydroprocessing catalyst and process for hydroprocessing...

B - Operations – Transporting – 01 – J

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B01J 23/85 (2006.01) B01J 35/10 (2006.01) C10G 45/08 (2006.01) B01J 35/08 (2006.01)

Patent

CA 2331458

The invention relates to a spherical catalyst composition comprising a Group VI metal component and optionally a Group VIII metal component on a carrier, which catalyst has a particle size of 0.5-7 mm, a total pore volume of 0.5-1.3 ml/g, an average pore diameter of 15-30 nm, and a %PV(100 nm) of 2-30 %, there being substantially no difference in density between the core region of the carrier particles and their surface regions. The catalyst is particularly suitable for use in non-fixed bed processes for the hydroprocessing of heavy hydrocarbon feeds. It has high hydrodesulphurisation and hydrodemetallisation activity in combination with a high abrasion resistance.

L'invention se rapporte à une composition de particules sphériques de catalyseur. Cette composition contient un composant métallique du groupe VI et éventuellement un composant métallique du groupe VIII sur un support. Les particules de catalyseur possèdent une dimension comprise entre 0,5 à 7 mm, un volume poreux total compris entre 0,5 et 1,3 mg/l, un diamètre moyen des pores compris entre 15 et 30 nm, et un pourcentage de volume de pores (?100 nm) compris entre 2 et 30 %, et il n'existe pratiquement pas de différence de densité entre la région du coeur des particules de support et leurs régions superficielles. Ce catalyseur est particulièrement adapté à l'utilisation dans des processus sur lits non fixes pour l'hydrotraitement de charges lourdes d'hydrocarbures. Ce catalyseur possède une activité élevée d'hydrodésulfuration et d'hydrodémétallisation ainsi qu'une résistance élevée à l'abrasion.

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