Off-site treatment for hydrogenation catalysts

Details Off-site treatment for hydrogenation catalysts Off-site treatment for hydrogenation catalysts

B - Operations, Transporting

01

J

B01J 37/20 (2006.01) B01J 33/00 (2006.01) B01J 37/14 (2006.01) C10G 45/36 (2006.01) C10G 45/48 (2006.01)

Patent

CA 2523698

The invention relates to an ex situ method for treating a nickel-containing hydrogenation catalyst, before using the same. The inventive method consists of three steps: the catalyst is impregnated by at least one sulphur compound or agent (selectivation step); said catalyst is treated with hydrogen at a temperature above 250 ·C (reduction step); and the catalyst is then passivated.

La présente invention concerne un procéde de traitement "ex situ" d'un catalyseur d'hydrogénation contenant du nickel avant emploi, consistant à effectuer trois étapes, à savoir la mise en contact du catalyseur par au moins un composé ou agent soufre (étape dite de sélectivation), le traitement de ce catalyseur par de I'hydrogène à une température supérieure à 250~C (étape dite de réduction), et une passivation de ce catalyseur.

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