Process and catalysts for eliminating sulfur compounds from...

C - Chemistry – Metallurgy – 10 – G

Patent

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C10G 27/04 (2006.01) B01J 29/035 (2006.01) B01J 29/18 (2006.01) B01J 29/83 (2006.01) B01J 29/85 (2006.01) B01J 29/89 (2006.01) B01J 31/02 (2006.01) C10G 27/12 (2006.01)

Patent

CA 2425378

The invention relates to a process for eliminating sulfur compounds from the gasoline fraction, which is characterized in that an oxidation reaction of said sulfur compounds is carried out using at least one organic-inorganic composite as catalysts, said composite comprising at least Si, Ti and silicon plus carbon, and using organic or inorganic hydroperoxides as oxidizing agents. According to the inventive process, said organic-inorganic composite is obtained by means of a process comprising a silylation step during synthesis or a process comprising a post-synthesis silylation step.

La présente invention concerne un procédé d'élimination des composés de soufre de la fraction essence se caractérisant en ce qu'il consiste à procéder à une réaction d'oxydation desdits composés de soufre, utilisant comme catalyseur au moins un composite organique-inorganique composé au moins de Si, de Ti et de silicium associé à du carbone, et utilisant des hydroperoxydes organiques ou inorganiques comme agents d'oxydation. Selon le procédé de l'invention, ledit composite organique-inorganique est obtenu par un procédé comprenant une étape de silylation au cours de la synthèse, ou bien par un procédé comprenant une étape de silylation post-synthèse.

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