Methods of preparing bulk group viii/group vib metal catalysts

Details Methods of preparing bulk group viii/group vib metal catalysts Methods of preparing bulk group viii/group vib metal catalysts

B - Operations, Transporting

01

J

B01J 37/00 (2006.01) B01J 31/00 (2006.01) B01J 37/04 (2006.01) B01J 37/08 (2006.01)

Patent

CA 2666362

Bulk metallic catalysts comprised of a Group VIII metal and a Group VIB metal and methods for synthesizing bulk metallic catalysts are provided. The catalysts are prepared by a method wherein precursors of both metals are mixed and interacted with at least one organic acid, such as glyoxylic acid, dried, calcined, and sulfided. The catalysts are used for hydroprocessing, particularly hydrodesulfurization and hydrodenitrogenation, of hydrocarbon feedstocks.

L'invention concerne des catalyseurs métalliques massiques constitués d'un métal du Groupe VIII et d'un métal du Groupe VIB ainsi que des procédés de synthèse desdits catalyseurs métalliques massiques. On prépare les catalyseurs selon un procédé qui consiste à mélanger des précurseurs des deux métaux et à les faire interagir avec au moins un acide organique, tel que de l'acide glyoxylique séché, calciné et sulfuré. On utilise les catalyseurs dans le traitement par hydrogène, en particulier dans l'hydrodésulfuration et dans l'hydrodénitrogénation, de charges d'hydrocarbures.

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