Method for desulphurizing a hydrocarbon mixture

Details Method for desulphurizing a hydrocarbon mixture Method for desulphurizing a hydrocarbon mixture

C - Chemistry, Metallurgy

10

G

C10G 27/12 (2006.01)

Patent

CA 2439162

The invention concerns a method for desulphurizing a hydrocarbon mixture containing sulphur compounds, comprising an oxidising step with hydrogen peroxide, acetic acid and an acid catalyst to oxidise the sulphur compounds, wherein the catalyst contains an acid solid selected among cation-exchanging resins having a pKa not more than 4, among silicon oxide based solids further containing a trivalent metal, and among inorganic solid particles whereon acid organic groups have been grafted such that the thus grafted particles have a pKa not more than 4.

Procédé de désulfuration d'un mélange d'hydrocarbures contenant des composés soufrés, comprenant une étape d'oxydation au moyen de peroxyde d'hydrogène, d'acide acétique et d'un catalyseur acide afin d'oxyder les composés soufrés, dans laquelle le catalyseur acide contient un solide acide choisi parmi les résines échangeuses de cations ayant un pKa inférieur ou égal à 4, parmi les solides à base d'oxyde de silicium contenant en outre un métal trivalent, et parmi les particules de solide inorganique sur lesquelles on a greffé des groupements organiques acides de telle façon que les particules ainsi greffées présentent un pKa inférieur ou égal à 4.

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