PATENT

3607. ----- [STEINKOHLEN-BERGWERK “RHEINPREUSSEN”].  [Purifying Gases Containing Carbon Monoxide and Hydrogen.].  French Patent 849,158, Nov. 15, 1939.  Chem. Abs., vol. 35, 1941, p. 6400.

Resin-forming substances are removed by treatment with adsorbents, such as active C, and S-containing organic compounds by treatment with mixtures of alkali carbonates and Fe oxide or hydroxide at 150°-300°.