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Return to Abstracts of Literature 1750-1999
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1898. ---------------. [MURATA, Y., YOSHIOKA, Y., OJI, G., AND SAITO, S.] Synthesis of Benzine From Carbon Monoxide and Hydrogen. LXII. Durability of Iron Catalysts and the Composition of Gas Used in the Synthesis. Jour. Soc. Chem. Ind. (Japan), vol. 45, 1942, pp. 1271-1286; Chem. Abs., vol. 43, 1949, p. 2400.
Fischer synthesis was carried out with catalysts similar in composition to those used in preceeding experiments with mixtures of composition CO : H2 = 1 : 2, 1 : 3 and 1 : 5. With increase in H2 content the most suitable reaction temperature was lowered, and the durability of Fe catalyst was remarkably increased. Thus with a mixture of CO : H2 = 1 : 2 or 1 : 3 the same catalyst can be used continuously for about 1 month at a suitably fixed reaction temperature. With a mixture of CO : H2 = 1 : 2, the highest yield of oil was 102 cc./m.3 of gas used, which decreased in proportion to dilution of the gas with more H2. In these cases a small amount of H2O was produced along with the oil. The property of H3BO3 in promoting the catalytic activity decreased with increases in H2 content. With gas of composition CO : H2 = 1 : 2 the addition of H3BO3 increased the durability of the catalyst, but with gas containing more H2 it showed no effect.