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 1427.    ---------------.  [HIRSCH, E.] [Manufacture of Synthetic Gasoline According to the Fischer-Tropsch Process by the Société Courrières-Kuhlmann.]  Rev. Carburants France, vol. 1, No. 12, 1938, pp. 505-509.

       Describes process.  The yield of hydrocarbons is about 65% theoretical.  The primary products consist of 8% gases:  propane, propylene, butane, and butylene; 60% gasoline distilling below 200° C.; 22% gas oil distilling above 200°; and 10% solid paraffins melting at 20°-100°.  The gasoline fraction is cracked to raise the octane number.  This yields 80% motor fuel of 65 octane number, with very high Pb susceptibility.  The gas oil has a cetene number of over 100 and can be blended with heavy oils of various origins.  The Courrières-Kuhlmann Co. has built a synthesis unit of 20,000 tons annual capacity.

       HIRSCH, J. H.  See abs. 117.