PATENT

3401. ----- [SOCIÉTÉ DES MINES DE DOURGES]  [Residual Gases From the Manufacture of Hydrogen.]  French Patent 706,505, Feb. 28, 1930.   Chem. Abs., vol. 26, 1932,p. 266.

The mixture of Co, H₂, and N₂ is desulfurized by passing it over a catalyst of CuO.  The Mixture is then washed in alkaline solution or passed over FeO and then washed.

See abs. 198.