3232. SCHAEFER, H., AND LORENZ, W. (Braunkohle-Benzin A. G.). [Raising the Efficiency of Cobalt Catalysts.] German Patent 732,684, Feb. 11, 1943; Appl. B-182,409, filed Mar. 17, 1938 (Cl. 12 o-1.03. FIAT Reel AA-88, frames 3,479-3,480, PB 70,273; Che

PATENT

3232. SCHAEFER, H., AND LORENZ, W. (Braunkohle-Benzin A. G.). [Raising the Efficiency of Cobalt Catalysts.] German Patent 732,684, Feb. 11, 1943; Appl. B-182,409, filed Mar. 17, 1938 (Cl. 12 o-1.03. FIAT Reel AA-88, frames 3,479-3,480, PB 70,273; Chem. Zentralb., 1943, II, p. 96; Chem. Abs., vol. 38, 1944, p. 842.

The Co catalysts are treated in a mixture containing CO and H₂ in an approximate ratio of 1:2. First, the catalysts are treated in the gaseous mixture to which is added a considerable volume of steam. Then they are treated in the gas without steam.