2675. PIER, M., AND WINKLER, K. (Standard-I. G. Co.). Conversion of Waste Gases From the Destructive Hydrogenation of Fuels. United States Patent 1,919,857, July 25, 1933. Chem. Abs., vol. 27, 1933, p. 4908.

Gas containing 30-40% CH₄ is mixed with CO₂; the product contains, in percent: CO₂, 23.6; H₂, 52; CH₄, 22.5; N₂, 1.3; and CO, 0.6. It is passed at about 1,100° C. through a furnace filled with refractory masses on which metals with catalytic properties such as Ni have been deposited. The gas mixture leaving the furnace contains in percent: CO, 31.4; H₂, 66.2; CO₂, 1.1; and N₂, 1.3.