PATENT

3343.----- SIEMENS-SCHUCKERTWERKE A. G.  [Catalytic Preparation of Gasoline.]  French Patent 819,808, Oct. 27, 1937.  Chem. Abs., vol. 32, 1938, p. 3141.

In the preparation of gasoline by the Fischer-Tropsch process the heat liberated in the contact furnace is removed continuously by a cooling fluid.  the temperature of which is controlled by an automatic  regulator, which has an indirect action and maintains, whatever the position of the regulated organ, a virtually constant temperature.  Describes apparatus.

301275°--55—PT. II-----21