3591. ----- [STEINKOHLEN-BERGWERK “RHEINPREUSSEN”]. [Iron Catalysts.] German Patent Appl. St 63,234, no date, (Cl. Iv d-12 o). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 366.

PATENT

3591. ----- [STEINKOHLEN-BERGWERK “RHEINPREUSSEN”]. [Iron Catalysts.] German Patent Appl. St 63,234, no date, (Cl. Iv d-12 o). Auszüge deut. Patent-Anmeldungen, vol. 6, p. 366.

Fe catalysts for the hydrogenation of CO are pretreated at 200°-400° with a CO, which contains > 60%, preferably > 85%, of inert constituents such as N₂.