Method of removing sulfur compounds from sour crude oil and...

Details Method of removing sulfur compounds from sour crude oil and... Method of removing sulfur compounds from sour crude oil and...

C - Chemistry, Metallurgy

10

G

C10G 29/20 (2006.01) C10L 3/10 (2006.01) C12S 1/02 (2006.01) A62D 3/00 (2006.01)

Patent

CA 2208147

A method of removing hazardous sulfur compounds, such as hydrogen sulfide and sulfur dioxide, from sour crude oil and sour natural gas. An aqueous composition of an amine oxide surfactant, and preferably a mixture of an amine oxide surfactant and enzymes is mixed with the sour crude oil or sour natural gas. The surfactant reacts with the hazardous sulfur compounds to eliminate the evolution of the compounds from the crude oil or gas and the enzymes act to catalyze the reaction.

L'invention concerne un procédé d'extraction des composés sulfurés dangereux, tels que l'hydrogène sulfuré et l'anhydride sulfureux, du brut acide et du gaz naturel acide. Une composition aqueuse d'un surfactant aminoxyde, de préférence un mélange de surfactant aminoxyde et d'enzymes, est mélangée à du brut acide ou du gaz naturel acide. Le surfactant réagit avec les composés sulfurés dangereux et interrompt à l'évolution de ces composés à partir du brut ou du gaz acide, les enzymes agissant alors comme catalyseur de la réaction.

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