Method for hydrogenating organic compounds by means of...

B - Operations – Transporting – 01 – J

Patent

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Details

B01J 23/46 (2006.01) B01J 37/18 (2006.01) C07C 5/10 (2006.01) C07C 29/136 (2006.01) C07C 29/141 (2006.01) C07C 29/17 (2006.01) C07C 29/19 (2006.01) C07C 29/20 (2006.01) C07C 51/36 (2006.01) C07C 209/48 (2006.01) C07C 209/72 (2006.01) C07D 295/023 (2006.01) C08F 8/04 (2006.01) B01J 21/08 (2006.01) C07C 211/03 (2006.01) C07C 211/11 (2006.01) C07C 211/35 (2006.01) C07C 211/36 (2006.01)

Patent

CA 2450077

The invention relates to a method for hydrogenating at least one organic compound by bringing said organic compound into contact with a gas containing hydrogen in the presence of a catalyst. Said catalyst comprises ruthenium as an active metal, either alone or combined with another metal of the subgroups I, VII or VIII of the periodic table, deposited on an amorphous silicon dioxide-based support. Said catalyst is obtained by i): treating the amorphous silicon dioxide-based support with a halogen-free aqueous solution of a low- molecular ruthenium compound, and subsequently drying the treated support at a temperature of less than 200 ~C, ii) reducing the solid matter obtained in i) with hydrogen at a temperature ranging from 100 to 350 ~C, wherein step ii) is carried out directly after step i).

L'invention concerne un procédé pour l'hydrogénation d'au moins un composé organique par mise en contact d'au moins un composé organique avec un gaz contenant de l'hydrogène en présence d'un catalyseur. Le catalyseur comprend, comme métal actif, du ruthénium seul ou combiné à au moins un autre métal du sous-groupe I, VII ou VIII de la classification périodique des éléments, déposé sur un support à base de dioxyde de silicium amorphe, et est obtenu par i) traitement simple ou répété d'un support à base de dioxyde de silicium amorphe avec une solution aqueuse sans halogène d'un composé ruthénium de faible poids moléculaire, puis séchage du support traité à une température inférieure à 200 ·C, ii) réduction de la matière solide obtenue en i) avec de l'hydrogène à une température comprise entre 100 et 350 ·C, l'étape ii) étant exécutée directement après l'étape i).

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