3696. ----- [STUDIEN-UND VERWERTUNGS-G. M. B. H.] Removing Sulfur From Gases.] French Patent 797,902, May 6, 1936, p. 7315.

In the catalytic removal of organic S from gases containing CO and H₂ in 2 steps with intermediate removal of H₂S resulting from he 1^st step, the transformation is carried out at <300° by means of particularly efficaceous catalysts in the 2d step, while less efficacious catalysts are used at a higher temperature in the 1^st sep. Thus, a mixture of an alkali metal carbonate and oxides or hydroxides of Fe are used in the 2d step, and the used catalyst from the 2d step may be then used in the 1^st.