3272. [SCHILLER, J. C. AND EKHOLM, E. L. ] (Standard Oil Development Co.) [Active iron Catalysts for the Synthesis of Hydrocarbons from Carbon Monoxide and Hydrogen] French Patent 970,001. Dec. 28, 1950; appl. filed Aug. 4, 1948. Chem. Zentralb., 19

PATENT

3272. [SCHILLER, J. C. AND EKHOLM, E. L. ] (Standard Oil Development Co.) [Active iron Catalysts for the Synthesis of Hydrocarbons from Carbon Monoxide and Hydrogen] French Patent 970,001. Dec. 28, 1950; appl. filed Aug. 4, 1948. Chem. Zentralb., 1951, I, p. 2109.

Ferrosoferric oxide containing K₂CO₃ as promoter is 1^st treated with CO at temperatures below 400°, for example, 260°-400°, at most for 30 min. After interrupting the CO stream, the temperature is reduced to 205°-371° and a mixture of CO and H₂ is passed over the catalyst.