Abstract:
The invention relates to a method for producing an amine by reacting a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound, selected from the group containing ammonia and primary and secondary amines in the presence of a supported catalyst containing copper, nickel and cobalt. According to the invention, prior to the reduction of the catalyst using hydrogen, the catalytically active mass of said catalyst contains oxygen-containing compounds of aluminium, copper, nickel, cobalt and tin and between 0.2 and 5.0 wt. % of oxygen-containing compounds of yttrium, lanthanum, cerium and/or hafnium, each of which is calculated as Y 2 O 3, La 2 O 3, Ce 2 O 3 and Hf 2 O 3. The invention also relates to catalysts defined as above.
Abstract:
The invention relates to a method for producing an amine by reacting a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound, selected from the group including ammonia, primary and secondary amines, in the presence of a zirconium dioxide-containing and nickel-containing catalyst, the catalytically active mass of the catalyst prior to its reduction with hydrogen containing oxygen-containing compounds of zirconium, nickel and iron and 0.2 to 5.5% by weight of oxygen-containing compounds of tin, lead, bismuth, molybdenum, antimony and/or phosphorous, each calculated as SnO, PbO, Bi2O3, MoO3, Sb2O3 or H3PO4. The invention also relates to catalysts of the above type.
Abstract translation:本发明涉及一种通过使伯或仲醇,醛和/或酮与氢和选自氨,伯胺和仲胺的氮化合物在二氧化锆 - 二氧化锆存在下反应来制备胺的方法, 含镍和镍的催化剂,催化剂的催化活性物质在用含氢的含锆化合物锆和镍和铁以及0.2-5.5重量%的含锡,铅,铋, 钼,锑和/或磷,各自计算为SnO,PbO,Bi 2 O 3,MoO 3,Sb 2 O 3或H 3 PO 4。 本发明还涉及上述类型的催化剂。
Abstract:
The present invention relates to a method for reacting glycolaldehyde with an aminizing agent in the presence of hydrogen and a catalyst, the catalyst being activated by reducing a catalyst precursor or by reducing a passivated catalyst, characterized in that the reacting takes place in the presence of a solvent and that the glycolaldehyde is brought into contact with the activated catalyst.
Abstract:
The invention relates to a method for producing an amine by reacting a primary or secondary alcohol, aldehyde and/or ketone with hydrogen and a nitrogen compound, selected from the group including ammonia, primary and secondary amines, in the presence of a zirconium dioxide-containing, copper-containing and nickel-containing catalyst, the catalytically active mass of the catalyst prior to its reduction with hydrogen containing oxygen-containing compounds of zirconium, copper, nickel, 0.2 to 40% by weight of oxygen-containing compounds of cobalt, calculated as CoO, 0.1 to 5% by weight of oxygen-containing compounds of iron, calculated as Fe2O3, and 0.1 to 5% by weight of oxygen-containing compounds of lead, tin, bismuth and/or antimony, each calculated as PbO, SnO, Bi2O3 or Sb2O3. The invention also relates to catalysts of the above type.
Abstract:
The invention relates to a method for producing primary amines, characterized in that at least one nitrile is hydrogenated in a device (V1) in the presence of a cobalt-based full contact catalyst while obtaining at least one primary amine, at least one compound (I) being added repeatedly or continuously to the device (V1) and said compound (I) comprising at least one component selected from the group including alkali metal, alkaline-earth metal or rare earth metal.
Abstract:
The invention relates to a method for hydrogenating nitriles with hydrogen in the presence of a catalyst in a reactor, said catalyst being arranged in a fixed bed. The invention is characterized in that the cross-sectional load in the reactor ranges from 5 kg/(m 2 s) to 50 kg/(m 2 s). The invention further relates to a method for producing secondary products of isophorondiamine (IPDA) or N,N-dimethylaminopropylamine (DMAPA) from amines produced according to the invention.
Abstract:
Disclosed is a method for producing an amine by reacting a primary or secondary alcohol, aldehyde, and/or ketone with hydrogen and a nitrogen compound selected from among the group comprising ammonia and primary and secondary amines in the presence of a catalyst containing zirconium dioxide, copper, and nickel. Before being reduced with hydrogen, the catalytically active material of the catalyst contains oxygen-containing compounds of zirconium, copper, and nickel, 1.0 to 5.0 percent by weight of oxygen-containing compounds of cobalt, calculated as CoO, and 0.2 to 5.0 percent by weight of oxygen-containing compounds of vanadium, niobium, sulfur, phosphorus, gallium, boron, tungsten, lead, and/or antimony, which are respectively calculated as V2O5, Nb2O5, H2SO4, H3PO4, Ga2O3, B2O3, WO3, PbO, or Sb2O3. Also disclosed are catalysts as defined above.