Process for removing sulfur from a hydrocarbon feed

Details Process for removing sulfur from a hydrocarbon feed Process for removing sulfur from a hydrocarbon feed

C - Chemistry, Metallurgy

10

G

C10G 45/02 (2006.01) C10G 45/10 (2006.01) C10G 65/04 (2006.01) C10G 65/08 (2006.01)

Patent

CA 2392048

A method is provided for removing sulfur from an effluent produced by hydrotreating a hydrocarbon feed, said effluent having a heavy fraction containing polyaromatic sulfur compounds and a lighter fraction, said method comprising contacting the effluent with a noble metal containing hydrodearomatization catalyst on a support under super-atmospheric hydrogen pressure and reaction conditions sufficient to hydrogenate at least one ring of said polyaromatic sulfur compounds and thereby produce a product with a reduced sulfur content.

L'invention concerne un procédé permettant de retirer du soufre d'un effluent produit par un traitement par l'hydrogène d'une charge d'hydrocarbure. Cet effluent présente une fraction lourde contenant des composés de soufre polyaromatiques et une fraction plus légère. Ce procédé consiste à placer en contact l'effluent avec un métal noble contenant un catalyseur d'hydroaromatisation sur un support sous une pression d'hydrogène super atmosphérique et dans des conditions de réaction suffisantes pour hydrogéner au moins une chaîne de ces composés de soufre polyaromatiques et produire ainsi un produit avec une teneur en soufre réduite.

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