2644. PICTET, R. P. Making Carbon Monoxide and Hydrogen. United States Patent 1,228,818, June 5, 1917. Chem. Abs., vol. 11, 1917, p. 2275.

Mixture of CO and H₂ is formed by simultaneously admitting steam, O₂, and petroleum oil, in vaporized form, into a horizontal pipe heated externally in a furnace to a temperature high enough to decompose the steam and hydrocarbon, preferably about 1,300°-1,500°.