FIELD: chemistry.
SUBSTANCE: invention relates to the treatment of sour gas and liquid hydrocarbon to remove hydrogen sulphide therefrom. A method comprises contacting the fluid with an effective amount of a composition, the composition comprising a sulphide scavenger, wherein the scavenger is an alkyl-triazine, and a nitroxide promoter, wherein the amount of nitroxide promoter is 1-25%.
EFFECT: efficient removal of hydrogen sulphide allows for the avoidance of the introduction of halides into the hydrocarbon stream.
3 cl, 3 tbl, 1 ex
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