PATENT

3754.  TRAUMANN, J.  Hydrogenation of Coal and Oil; Synthesis of Oils From Carbon Monoxide and Hydrogen.  British Patent 261,786, Nov. 21, 1925.  Chem. Abs., vol. 21, 1927, p. 3740.

Heat required for various processes is supplied to the reacting substances by finely divided heated metal, which may be in the form of powder, liquid, or vapor.  Coaxial nozzles may be used.  The reagents pass through the inner nozzle, while the hot metal is supplied through the outer one.