Method for the continuous production of an amine using an aluminum—copper catalyst

US9174201B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Martin Ernst · Ludwigshafen am Rhein, DE
• Bernd Stein · San Diego, US
• Steffen Maas · Bubenheim, DE
• Jörg Pastre · Bensheim, DE
• Thorsten Johann · Schifferstadt, DE
• Johann-Peter Melder · Schifferstadt, DE

Key dates

• Filing date: Sep 9, 2009
• Grant date: Nov 3, 2015
• Expiry date: Sep 22, 2029

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02P20/582
• WIPO field: Chemical engineering
• WIPO sector: Chemistry

Abstract

Process for the continuous preparation of an amine by reaction of a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound selected from the group consisting of ammonia, primary and secondary amines at a temperature in the range from 60 to 300° C. in the presence of a catalyst comprising copper oxide and aluminum oxide, wherein the reaction takes place in the gas phase and the catalytically active composition of the catalyst before reduction with hydrogen comprisesfrom 20 to 75% by weight of aluminum oxide (Al2O3),from 20 to 75% by weight of oxygen-comprising compounds of copper, calculated as CuO,from 0 to 2% by weight of oxygen-comprising compounds of sodium, calculated as Na2O, andless than 5% by weight of oxygen-comprising compounds of nickel, calculated as NiO, and the shaped catalyst body has a pellet shape having a diameter in the range from 1 to 4 mm and a height in the range from 1 to 4 mm.