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Literature Abstracts

 1951.    KÖLBEL, H., AND ENGLEHARDT, F.  [Reaction Mechanism of the Fischer-Tropsch Synthesis.  V.]  Angew. Chem., vol. 61, 1949, p. 448; Chemie-Ing. Tech., vol. 22, 1950, pp. 97-104; Chem. Abs., vol. 44, 1950, p. 5566.

        Paper presented at the annual meeting of the German Chemical Society in September 1949.  After a brief review of the empirical development of the synthesis, the carbide theory of Fischer is thoroughly examined.  The composition of the catalyst in respect to operating conditions as well as to the synthesis of higher hydrocarbons is discussed both from the standpoint of previous work and from more recent conceptions.  It is shown that the carbide theory no longer stands up against experimental proof.  Activated adsorption is put forward as the basis for a new working hypothesis, and the possibility of a uniform method of examination of all CO hydrogenation processes is discussed.