3176.     SHIRAI, S., KIMUMAKI, J., AND OGAWA, T.  [Iron Catalyst for Synthesis of Gasoline.]  Jour. Soc. Chem. Ind. (Japan), vol. 46, 1943, pp. 329-331; Chem. Abs., vol. 42, 1948, p. 6082.

        Catalyst for the hydrogenation of CO should not be heated to a temperature above that at which it is used in the synthesis.  The alkali promoter should be evenly distributed; this is effected by using KNO₃ instead of K₂CO₃ to activate the catalyst.