A bulk catalyst comprising nickel tungsten metal oxidic...

B - Operations – Transporting – 01 – J

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B01J 23/888 (2006.01) B01J 23/755 (2006.01) B01J 37/00 (2006.01) C10G 45/08 (2006.01)

Patent

CA 2627447

The invention relates to a nickel tungsten bulk catalyst, to a process for the manufacture of said catalyst and to the use of said catalyst for the hydrotreatment, in particular the hydrodesulphurisation and hydrodenitrogenation of hydrocarbon feedstock. The catalyst comprises nickel tungsten metal oxidic particles obtainable by a process comprising forming a slurry of a first solid metal compound comprising Group VNI metal nickel and a second solid metal compound comprising Group VIB metal tungsten in a protic liquid, reacting the first and second solid metal compounds at elevated temperature whereby the first and second solid metal compounds remain at least partly in the solid state during the entire reaction to form the nickel tungsten oxidic bulk catalyst.

L'invention concerne un catalyseur en vrac au nickel tungstène, un procédé de fabrication du catalyseur et son utilisation pour l'hydrotraitement, plus particulièrement l'hydrodésulfuration et l'hydrodénitrogénation d'une charge d'hydrocarbure. Le catalyseur comprend des particules d'oxyde de métal au nickel tungstène que l'on obtient par un procédé consistant à former une suspension aqueuse d'un premier composant de métal solide contenant un nickel métallique du groupe VNI et un second composé de métal solide contenant un tungstène métallique du groupe VIB dans un liquide protique, à faire réagir les premier et second composés à une température élevée à laquelle les deux composés restent au moins partiellement à l'état solide pendant toute la réaction afin de former le catalyseur en vrac d'oxyde au nickel tungstène.

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