abstract |
FIELD OF THE INVENTION The present invention relates to a pulp which can be used as a catalyst for the hydrogenation of alpha, omega-dinitriles, which comprises (a) from 0.001 to 0.3% by weight of aluminum, silicon, zirconium, titanium and vanadium, based on (a) iron or iron based compounds or mixtures thereof. a promoter based on 2, 3, 4 or 5 elements selected from the group consisting of (0) -0.3% by weight of an alkali metal or alkaline earth metal based compound (c) (a) and (0.001-0) based on (d) , Containing 3% by weight of manganese. SHE |