Moulded catalyst bodies and method for hydrogenation of...

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B01J 23/885 (2006.01) B01J 21/04 (2006.01) B01J 23/00 (2006.01) B01J 23/888 (2006.01) B01J 37/03 (2006.01)

Patent

CA 2570915

The invention relates to a method for hydrogenation of an organic compound comprising at least one carbonyl group, whereby the organic compound is brought into contact with a moulded body in the presence of hydrogen. Said body may be produced by a method in which (i) an oxidic material is prepared, comprising copper oxide, aluminium oxide, and at least one oxide of lanthanum, tungsten, molybdenum, titanium, or zirconium, followed by (ii) addition of powdered metallic copper, copper platelets, powdered cement, graphite, mixtures or a mixture thereof with graphite to the oxidic material and (iii) moulding the mixture from (ii) to give a moulded body, characterised in that the moulded body is in the form of catalyst tablets or catalyst extrudates with a diameter d and/or height h < 2.5 mm, catalyst beads with a diameter d < 2.5 mm or catalyst honeycomb with a cell diameter rz < 2.5 mm.

L'invention concerne un procédé pour hydrogéner un composé organique comportant au moins un groupe carbonyle. Selon ledit procédé, ce composé organique est mis en contact avec un corps moulé en présence d'hydrogène, lequel corps peut être fabriqué selon un procédé consistant : i) à préparer un matériau oxydé, contenant de l'oxyde de cuivre, de l'oxyde d'aluminium et au moins un oxyde parmi les oxydes de lanthane, de tungstène, de molybdène, de titane ou de zirconium, ii) à ajouter à ce matériau oxydé du cuivre métallique pulvérulent, des lamelles de cuivre, du ciment pulvérulent, du graphite, leur mélange ou un mélange avec du graphite puis iii) à façonner le mélange résultant de l'étape (ii) pour obtenir un corps moulé. L'invention se caractérise en ce que ce corps moulé se présente sous la forme d'une pastille catalytique ou d'un extrudat catalytique présentant un diamètre d et/ou une hauteur h < 2,5 mm, d'une bille catalytique présentant un diamètre d < 2,5 mm ou d'un corps alvéolé catalytique présentant un diamètre d'alvéole rz < 2,5 mm.

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