707. ------. [FISCHER, F., AND TROPSCH, H.] Removing Sulfur From Gases. British Patent 254,288, Jan. 20, 1927; appl. filed June 29, 1925. Chem. Abs., vol. 21, 1927, p. 2552.

Patent Abstracts

C-S compounds in gas are converted into H₂S by catalysts in the presence of H₂, and the H₂S is then absorbed; preferably metals such as Pb and Su are used, which may be mixed with inorganic bases or acid anhydrides. Pb chromate, Ca plumbate, Cu and CuO, and infusorial earth may be used or Pb acetate may be applied to porous earthenware.