2232. ------. [METALLGESELLSCHAFT A. G.]. [Catalysts for Carbon Monoxide Hydrogenation.] German Patent Appl. M 146,804, no date (Cl. 12 o-1.03). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 272.

CO is hydrogenated in catalyst furnaces having close-lying cooling elements. Fe catalysts are used which have been reduced at 300°-400° only until 50-90% of the Fe is transposed into metal.