Method of making copper catalyst on a support

Details Method of making copper catalyst on a support Method of making copper catalyst on a support

1976-10-26

1977-09-13

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252476, 260561N, B01J 2104, B01J 2372

Patent

active

040481140

ABSTRACT:
In the making of reduced copper catalysts on supports such as alumina, cuprous salts are imbibed as aqueous solution in which solubility of the cuprous salt is increased by the presence of ammonium hydroxide and ammonium carbonate in the solution. The imbibed support is dried and the cuprous salt residue is reduced in situ by aqueous solution of sodium borohydride. The reduced copper catalyst product is useful for catalytic hydration of nitriles to produce amides, e.g. acrylonitrile to acrylamide.

REFERENCES:
patent: 3338666 (1967-08-01), Sanchez et al.
patent: 3939205 (1976-02-01), Kurata et al.

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