PATENTS

      15.            ALIGEMEINE STAUBVERGASUNGS-G. M. B. H. [Gas Mixtures Containing Hydrogen].]  German Patent 616,466, July 29, 1935 (24c-1.07).  Chem. Abs., vol. 29, 1935, p. 7622.

For the manufacture of mixtures of H₂ with oxides of C, with or without N₂, a mixture containing a gaseous hydrocarbon, steam, and fuel dust is preheated to 700°-1,000° and introduced continuously as a single stream into a reaction chamber, in which, at the point of entry, it is treated with air or O₂ or mixtures thereof.  The initial mixture may contain coal or gas or natural gas or may be generated in a water-gas generator fed with pulverulent fuel and operated with an excess of steam.  Describes apparatus.