Method for producing aromatic amines or aliphatic amino alcohols
The invention relates to a process for preparing aromatic amines by hydrogenation of nitroaromatics in the presence of catalysts, in which a fluid reaction mixture which comprises amines and from which the catalysts are separated off is formed in a reactor. After the catalysts have been separated of...
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creator | KRUG GEORG TITTELBACH-HELMRICH DIETRICH VANOPPEN DOMINIC VAN LAAR FREDERIK BEUERMANN THOMAS VOSS HARTWIG SCHWAB EKKEHARD PENZEL ULRICH MORGENSCHWEIS KONRAD OEHLENSCHLAEGER STEFFEN |
description | The invention relates to a process for preparing aromatic amines by hydrogenation of nitroaromatics in the presence of catalysts, in which a fluid reaction mixture which comprises amines and from which the catalysts are separated off is formed in a reactor. After the catalysts have been separated off, a measurement of the absorption of UV/VIS radiation by the reaction mixture is carried out to determine the concentration of nitro and nitroso compounds in the reaction mixture. |
format | Patent |
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subjects | ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY |
title | Method for producing aromatic amines or aliphatic amino alcohols |
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