2650. ------. [PIER, M.] (I. G. Farbenindustrie A. G.). [Reducing Oxides of Carbon.] German Patent 630,824, June 6, 1936; appl. I 35,544, filed Sept. 18, 1928 (Cl. 12 o-1.03). FIAT Reel AA 88, frame 3,710; PB 70,273; Chem. Abs., vol. 31, 1937, p. 227.

In the catalytic reduction of C oxides, enough hydrocarbons that are liquid under the conditions of the reaction are added to ensure that the process is completely carried out in the liquid phase. Thus, a kieselguhr-Ni-Al catalyst is suspended in heavy oil freed from S and a CO-H₂ mixture led in, the CO being reduced mainly to CH₄.

------. See abs. 1945, 1996, 2350, 2351, 2352, 2353, 2354, 2355, 2356, 2362, 2363, 2364, 2365, 2366, 2367, 2368, 2369, 2370, 2371, 2374.