Preparation of bulk metallic group viii/group vib metal...

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B01J 27/049 (2006.01)

Patent

CA 2705156

Bulk catalysts comprised of a Group VIII metal and a Group VI metals are prepared using commercial scale processes. The catalysts are prepared by a method wherein Group VI and Group VIII metal reagents are mixed and interacted with at least one organic complexing agent, dried, calcined, and sulfided. The catalysts are used for hydroprocessing, particularly hydrodesulfurizaton and hydrodenitrogenation, of hydrocarbon feedstocks.

La présente invention concerne des catalyseurs massiques constitués d'un métal du groupe VIII et de métaux du groupe VI qui sont préparés par des processus à l'échelle industrielle. Les catalyseurs sont préparés par un procédé dans lequel des réactifs métalliques des groupes VI et VIII sont mélangés et interagissent avec au moins un agent organique complexant, avant d'être séchés, grillés et sulfurés. Ces catalyseurs sont utilisés pour des hydrotraitements, en particulier pour l'hydrodésulfuration et l'hydrodésazotation de charges de départ de type hydrocarbures.

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