PROCESS FOR THE PREPARATION OF HEXAMETHYLENEDIAMINE BY HYDROGENATION OF ADIPONITRILE WITH REDUCED FORMATION OF DIAMINOCYCLOHEXANE

PROCESS FOR THE PREPARATION OF HEXAMETHYLENEDIAMINE BY HYDROGENATION OF ADIPONITRILE WITH REDUCED FORMATION OF DIAMINOCYCLOHEXANE

The present invention relates to a process for the preparation of hexamethylenediamine by hydrogenation of adiponitrile in the presence of a Raney nickel catalyst, wherein a Raney nickel catalyst modified by treatment with carbon monoxide or carbon dioxide in a liquid medium is used.

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Bibliographische Detailangaben
Hauptverfasser: CHOUZIER, Sandra, HUCHEDE, Maxime
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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Beschreibung
Zusammenfassung:The present invention relates to a process for the preparation of hexamethylenediamine by hydrogenation of adiponitrile in the presence of a Raney nickel catalyst, wherein a Raney nickel catalyst modified by treatment with carbon monoxide or carbon dioxide in a liquid medium is used.