| 摘要 |
1,141,256. Hydrofining hydrocarbon mixtures. INSTITUT FRANCAIS DU PETROLE, DES CARBURANTS ET LUBRIFIANTS. 23 Sept., 1966 [23 Sept., 1965], No, 42651/66. Heading C5E. A process for the selective hydrogenation of a mixture of hydrocarbons which are normally liquid, containing hydrocarbons which generate gums or resins and less than 50 p.p.m. of sulphur, comprises placing the hydrogen in contact with the mixture in the presence of a catalyst containing metallic nickel and/or cobalt at a temperature between 50‹ and 250‹ C., carbon monoxide being added in the proportion of 10 to 1000 p.p.m. by volume of hydrogen. The gum-forming constituents (diolefins and alkenyl aromatics) are thereby reduced, but not monoolefins or aromatics. |
