Low pressure amine reactor

C - Chemistry – Metallurgy – 07 – C

Patent

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Details

C07C 209/48 (2006.01) C07C 211/12 (2006.01)

Patent

CA 2356560

A method for the production of an amine from a nitrile utilizing hydrogenation by: feeding hydrogen and nitrile into a reactor including catalyst, water and inorganic base to form a reaction medium; mixing the reaction medium to provide a uniform bulk concentration of the nitrile in at least one direction across the reactor to minimize the reactor volume where local bulk nitrile concentration exceeds that stoichiometrically required to completely deplete the local bulk hydrogen concentration; and hydrogenating the nitrile to form the amine.

L'invention porte sur un procédé de production d'une amine à partir d'un nitrille par hydrogénation consistant: à alimenter en hydrogène et en nitrille un réacteur contenant un catalyseur, de l'eau et une base minérale pour former un milieu de réaction; à mélanger ledit milieu pour obtenir une concentration dans la masse uniforme du nitrille au moins dans une direction transversale au réacteur de manière à réduire le volume du réacteur là où la concentration dans la masse du nitrite dépasse la concentration stoechiométrique requise pour épuiser totalement la concentration locale d'hydrogène dans la masse; puis à hydrogéner le nitrille pour obtenir l'amine.

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