3704.     ---------------.  [WILLFROTH, -----, AND GIESEN, -----.]  [Use of Zinc and Chromium Minerals as Catalysts for Synthesis of Methanol.]  Board of Trade, German Div., Tech. Information and Documents Unit, FD 1029/47, January 1928, 28 pp.; Fuel Abs., No. 2389, 1948.

        Effects of various Zn- and Cr-containing catalysts is described in connection with operational data.  ZnO was confirmed as the best basic substance for the catalytic hydrogenation of CO to O2-containing C compounds.