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Patent Abstracts

      621.  ------.  [ELWORTHY, H. S., AND WILLIAMSON, E. H.]  Process of Producing Gas Rich in Methane.  British Patent 190,201, May 14, 1905.  Chem. Abs., vol. 2, 1908, p. 1211.

            Gas rich in CH4 is produced by leading a mixture of H2 and CO or CO2, or both, over metallic Ni-CO+3 H2=CH4+H2O: CO2+4 H2=CH4+2 H2O.  The CO and CO2 in various commercial gases may be so treated.