PATENTS

3220. ----- [SABATIER, P.]  Methane of Mixtures of Methane and Hydrogen.  United States Patent 956,734, May 3,1910;  appl. filed Aug. 11, 1908, serial No. 448,058.  Chem Abs., vol. 4, 1910, p. 2366.

Making CH₄ or mixtures of CH₄ and H₂ by passing steam over C in retorts maintained at a temperature of 970°, freeing the resulting gas from CO₂ by passing successively through alkali carbonate and hydroxide solutions and from S by passing over heated Cu, and finally passing the purified gases over heated Ni at 300°-450°, preferably 350°.