Organosulfur oxidation process

Details Organosulfur oxidation process Organosulfur oxidation process

C - Chemistry, Metallurgy

10

G

C10G 27/12 (2006.01) C10G 29/20 (2006.01)

Patent

CA 2513863

This invention is a method of oxidizing organosulfur impurites found in fuel streams. The method comprises reacting the organosulfur impurities with an organic hydroperoxide in the presence of a titanium-containing catalyst. The titanium-containing catalyst is obtained by impregnating a siliceous solid with a titanium halide in a hydrocarbon solvent, or a vapor stream of titanium tetrachloride, followed by calcination. The resulting sulfones are more readily removed from the fuel stream than the non-oxidized organosulfur impurities.

Cette invention concerne un procédé d'oxydation d'impuretés organosulfurées présentes dans des flux de combustible. Ce procédé consiste à faire réagir les impuretés organosulfurées avec un hydroperoxyde organique en présence d'un catalyseur contenant du titane. Ce catalyseur contenant du titane s'obtient par imprégnation d'un solide siliceux avec un halogénure de titane dans un solvant hydrocarboné, ou avec un flux de vapeur de tétrachlorure de titane, suive de calcination. Les sulfones qui en résultent sont plus facilement extraits du flux de combustible que les impuretés organosulfurées non oxydées.

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