2554. OHASHI, T., AND OTHERS. (Dai Nippon Fats & Oils Co.). [Nickel Oxide Catalyst for Hydrogenation.] Japanese Patent 871 (1951), Feb. 23, 1952. Chem. Abs., vol. 46, 1952, p. 11,513.

PATENTS

2554. OHASHI, T., AND OTHERS. (Dai Nippon Fats & Oils Co.). [Nickel Oxide Catalyst for Hydrogenation.] Japanese Patent 871 (1951), Feb. 23, 1952. Chem. Abs., vol. 46, 1952, p. 11,513.

Ni(OH)₂ or NiCO₃·2(or 3)Ni(OH)₂ is prepared by precipitation of an aqueous Ni salt containing the carrier with aqueous alkali or its carbonate, dried, ground, reduced by H at 450°-500°, cooled to 200°, the H replaced by N, and the N gradually replaced by air.