1874. MURATA, Y., AND TSUNEOKA, S. Benzine Synthesis From Carbon Monoxide and Hydrogen at Ordinary Pressure. XXXVIII. Relation Between Conditions of Synthesis and the Unsaturation of the Benzine Produced. Jour. Soc. Chem. Ind. (Japan), vol. 41, suppl., 1938, pp. 16-22; Sci. Papers Inst. Phys. Chem. Research (Tokyo), vol. 34, 1937, p. 99-115; Chem. Zentralb, 1938, II, p. 2874; Chem. Abs., vol. 32, 1938, p. 3592.

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Literature Abstracts

1874. MURATA, Y., AND TSUNEOKA, S. Benzine Synthesis From Carbon Monoxide and Hydrogen at Ordinary Pressure. XXXVIII. Relation Between Conditions of Synthesis and the Unsaturation of the Benzine Produced. Jour. Soc. Chem. Ind. (Japan), vol. 41, suppl., 1938, pp. 16-22; Sci. Papers Inst. Phys. Chem. Research (Tokyo), vol. 34, 1937, p. 99-115; Chem. Zentralb, 1938, II, p. 2874; Chem. Abs., vol. 32, 1938, p. 3592.

Following are the I nos. of the benzines produced with different catalysts: Fe-Cu-Na₂CO₃ 150, Ni-Mn-Th₂O 7.5, Ni-Mn-Al₂O₃ 11.8, Ni-Si (1:1) 18.0, Co-Cu-U₃O₈ 82.2, Co-Cu-U₃O₈-Mn 98.9, Co-Cu-Th-U 100.0, Co-Si 88.3, Ni-Co 20.0 and Ni-Fe 51.8. Silica added to the catalyst decreases the I number. The highest I number is obtained with a reaction tube 13 mm. in diameter. It is possible to increase the content of unsaturated hydrocarbons by increasing the CO in the original gas. The I number increases as the gas volume velocity and also the velocity of the current of gas increases. The temperature at which the benzine is synthesized may increase or decrease the I number, depending on the catalyst used.