Method for activating passivated iron

Details Method for activating passivated iron Method for activating passivated iron

B - Operations, Transporting

01

J

B01J 23/745 (2006.01) B01J 37/18 (2006.01)

Patent

CA 2385597

The invention relates to a method for activating passivated iron with hydrogen at an increased temperature and under an increased pressure, whereby said iron can be used as a catalytically active component after activation. The inventive method is characterised in that the activation is carried out in the presence of a nitrile. The invention also relates to the use of nitriles in such methods, iron obtainable according to said method, the use of iron in heterogeneous catalysts and a method for hydrogenation, whereby such catalysts are used.

L'invention concerne des procédés pour activer du fer passivé, pouvant être utilisé comme composant à effet catalytique, une fois activé. L'activation s'effectue au moyen d'hydrogène, à une température et une pression élevées. L'invention est caractérisée en ce que l'on réalise l'activation en présence d'un nitrile. L'invention concerne également l'utilisation de nitriles lors de la mise en oeuvre de ces procédés. Elle concerne en outre le fer pouvant être obtenu selon lesdits procédés, l'utilisation de ce fer dans des catalyseurs hétérogènes, ainsi que des procédés d'hydrogénation au moyen de ces catalyseurs.

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