PATENTS

      1542.  ------.  [I. G. FARBENINDUSTRIE, A. G.]  [Reduction of Iron Catalysts.]  German Patent Appl. I 70,151, OZ 12,930. filed Aug. 4, 1941 (Cl. IV d-12 o).  FIAT Reel 168, frames 6,803-6,808; PB 68,406: Auszüge deut. Patent-Anmeldungen, vol. 6. p. 156: Meyer Transl. PC-S-II, Fischer-Tropsch, vol. 6, chap. 180, 1949, p. 48.

            It has been discovered that the hydrocarbon synthesis process can be performed at lower temperatures with a considerably greater yield of oxygenated products, if reduction of the Fe catalyst is carried out at a very much higher rate of throughput of H2 per hr.  A rate of >800 m.3 per m.3 of catalyst per hr. is specified.