abstract |
The present invention relates to an additive composition for scavenging hydrogen sulfide in hydrocarbons, wherein said additive composition comprises a combination of: (a) glyoxal; and (b) at least one aliphatic tertiary amine, or its modified Oxide-treated derivatives, or mixtures of said aliphatic tertiary amines and oxide-treated derivatives thereof. In one embodiment, the present invention also relates to a method for scavenging hydrogen sulfide in hydrocarbons, and in another embodiment, the present invention relates to a method for scavenging hydrogen sulfide in hydrocarbons using the additive composition of the present invention. In yet another embodiment, the present invention is directed to a composition for scavenging hydrogen sulfide in hydrocarbons, the composition comprising (A) a hydrocarbon; and (B) a hydrogen sulfide scavenging additive composition of the present invention. |