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Return to Abstracts of Literature 1750-1999

Literature Abstracts

 1890.    MURATA, Y., AND YAMADA, T.  Benzine Synthesis From Carbon Monoxide and Hydrogen at Ordinary Pressure.  LIV.  Influence of Carbon Dioxide in the Initial Gas Upon the Iron Catalyst.  Jour. Soc. Chem. Ind. (Japan), vol. 44, suppl., 1941, pp. 33-38.  Sci. Papers Inst. Phys. Chem. Research (Tokyo), vol. 38, 1940, pp. 118-131; Chem. Zentralb., 1941, I, p. 2203; Brennstoff-Chem., vol. 24, 1943, p. 9; Chem. Abs., vol. 35, 1941, p. 2297.

        When a gas mixture containing varying quantities of CO₂ and approximately equal volumes of CO and H₂ was passed over a catalyst consisting of Fe+25% Cu+125% kieselguhr+2% KOH at 253° at a rate of 3.8-4.3 l. per hr., the yield of liquid product and the I number of the liquid product decreased rapidly with increase in the CO₂ content of the gas charged, the effect being much greater than a simple diluent effect.  Experiments with catalysts composed of Fe+25% Cu+2% Mn+125% kieselguhr and 0-5% KOH at 254° showed that the yield of liquid product and the C:H₂ ratio of the gas resulting from the reaction increased with increase in alkali content of the catalyst; with a catalyst composed of Fe+25% Cu+2% Mn+125% kieselguhr+2% KOH at 254° the yield of liquid product increased with a decrease of gas velocity to 2.6 l. per hr., when the gas charge contained approximately 20% CO₂.  When the catalyst was pretreated with CO_2, the yield of liquid products from CO and H₂ decreased with the increase in length of the CO₂ pretreatment; the CO₂ apparently decreased the activating effect of alkali on the catalyst.  At 253° there was very little reaction between CO₂ and H₂ in the presence of Fe+25% Cu+125% kieselguhr+2% KOH.