3712.     WILLIAMS, E. C., AND BEECK, O.  Hydrogenation of Hydrocarbons.  National Research Council Committee on Catalysis, 12^th Rept., 1940, pp. 107-119.

        A table of hydrogenation catalysts, including remarks on their preparation, properties, and uses, is of special interest.  Nearly 50 compounds are listed suitable or used for destructive hydrogenation of coal, oils, and tars, MeOH synthesis, NH₃ synthesis, and hydrogenation of oils.  Literature refs. appended.