| abstract |
Process for the preparation of aromatic amines by catalytic hydrogenation of nitroaromatics over hydrogenation catalysts at 1160 to 450 ° C. and pressures from 1 to 50 bar, by the hydrogenation catalyst 0.02 to 1% by weight halogen and / or the reaction mixture 0.1 to 50 ppm of a halogen-containing organic compound, based on the nitroaromatic used. |