| abstract |
The catalyst is useful for the hydrogenation of aliphatic alpha-, omega-dinitriles. It contains: (a) iron or a compound based on iron, or mixtures thereof; b) from 0.001 to 0.3% by weight. according to component a) a promoter based on 2, 3, 4 or 5 elements selected from the group of aluminum, silicon, zirconium, titanium, vanadium; c) from 0 to 0.3% by weight. by component) an alkaline and / or alkaline earth metal based compound; and d) from 0.001 to 1% by weight. relative to component a) - manganese. |