Process for removing hydrogen sulfide in crude oil

Details Process for removing hydrogen sulfide in crude oil Process for removing hydrogen sulfide in crude oil

C - Chemistry, Metallurgy

10

G

C10G 29/24 (2006.01) C10G 29/20 (2006.01)

Patent

CA 2735429

A method for reducing the amount of hydrogen sulfide present in crude oil includes adding a hydrogen sulfide scavenger composition to the crude oil to capture the hydrogen sulfide, migrating the captured sulfides to an aqueous phase and removing the aqueous phase from the crude oil. The hydrogen sulfide scavenger composition includes glyoxal and a quaternary ammonium salt.

Linvention concerne un procédé de réduction de la quantité de sulfure dhydrogène présent dans une huile brute, qui comprend lajout dune composition de désactivation du sulfure dhydrogène à lhuile brute pour capturer le sulfure dhydrogène, la migration des sulfures capturés vers une phase aqueuse et lélimination de la phase aqueuse de lhuile brute. La composition de désactivation du sulfure dhydrogène comprend du glyoxal et un sel dammonium quaternaire.

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