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Return to Abstracts of Literature 1750-1999

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 1928.    ---------------.  [KODAMA, S., TAHARA, H., FUKUSHIMA, I., IAWO, M., KOMAZAWA, S., AND KIMURA, K.]  Hydrocarbon Synthesis From Carbon Monoxide and Hydrogen under Medium Pressure.  III.  Effect of Adding Alkali and Changes in the Reaction Temperature on the Activity of Fe-Cu-Mn-H3BO3 Catalysts.  Jour. Soc. Chem. Ind. (Japan), vol. 45, 1942, pp. 1263-1271; Chem. Abs., vol. 43, 1949, p. 2397.

       Catalysts with 7-20 parts K2CO3 and other components, as given above, were compared in medium-pressure petroleum synthesis to determine the optimum composition.  The catalysts containing 7-10 parts K2CO3 gave the best yield of oil.  The rate of consumption of CO compared to H2, the amount of solid paraffin produced, and the degree of unsaturation of oil produced all increased with the increase in the amount of K2CO3 added.  By trial, the best reaction temperature was found to be 230°-250°.