Abstract:
The catalyst contains, on zeolite A as the carrier, 0.01 to 0.5% by weight of platinum, in relation to the catalyst, and where applicable tin, wherein the weight ratio of Sn:Pt is 0 to 10.
Abstract:
The present invention relates to a process for producing a supported tin-containing catalyst, characterized in that a solution (L) containing tin nitrate and at least one complexing agent is applied to the support, where the solution (L) does not contain any solid or has a solids content of not more than 0.5% by weight, based on the total amount of dissolved components.
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:
A process for aminating hydrocarbons with ammonia in the presence of catalyst (i) which catalyzes the amination, characterized in that oxidizing agent is supplied to the reaction mixture and the oxidizing agent is reacted with hydrogen which is formed in the amination in the presence of a catalyst (H) which catalyzes this reaction with hydrogen.
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 invention relates to a method for producing aromatic amines by the catalytic hydration of the corresponding nitro compounds, particularly for producing toluylenediamine by the hydration of dinitrotoluene, characterized in that hydration catalysts are employed, in which a mixture of nickel, palladium and an addition element, selected from the group containing cobalt, iron, vanadium, manganese, chromium, platinum, iridium, gold, bismuth, molybdenum, selenium, tellurium, stannous, and antimony, is present as the active component on a carrier.
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:
Disclosed is a method for the direct amination of hydrocarbons into amino hydrocarbons by reacting a feedstock stream E containing at least one hydrocarbon and at least one amination reagent so as to obtain a reaction mixture R containing amino hydrocarbon and hydrogen in a reaction zone RZ, and electrochemically separating at least some of the hydrogen produced during the reaction from the reaction mixture R by means of a gas-tight membrane-electrode assembly comprising at least one membrane selectively conducting protons and at least one electrode catalyst on each side of the membrane, wherein at least some of the hydrogen is oxidized to protons on the anode catalyst on the retentate side of the membrane, and the protons are reacted with oxygen on the cathode catalyst on the permeate side after penetrating the membrane so as to obtain water, the oxygen being fed from an oxygen-containing stream O that is brought in contact with the permeate side of the membrane.