| 摘要 |
<p>A process for the preparation of a catalyst system having a catalytically active component of an oxide, metal or alloy of one or more of the elements copper, zinc, cadmium, nickel, cobalt, iron, manganese or magnesium, homogeneously dispersed over a solid particulate inorganic thermostable carrier material, wherein the catalytically active component is precipitated onto the carrier material from an acid aqueous solution of a complex of an alpha -, beta -, or gamma -amino acid, an amino-sulphonic acid, or derivatives of such acids, with one or more of such elements, by gradually and homogeneously generating hydroxyl ions within the solution while maintaining the absence of free ammonia.</p> |
