Nalco/exxon Energy Chemicals,l.p.

Allan R Thomas

Daniel S Sullivan, Iii

Juan M Garcia, Iii

Paul Yon-Hin

Grahame Nigel Taylor

Mark A Edwards

Reaction of 1,3,5-tri-substituted-hexahydro-1,3,5-triazine is accelerated in H.sub.2 S scavenging by the addition of quaternary ammonium compound. The preferred hexahydro triazines are 1,3,5-tri-methyl-hexahydro-1,3,5-triazines and 1,3,5-tri-methoxypropyl-hexahydro-1,3,5-triazines. The blend of the hexahydro triazine and quaternary ammonium compounds can be used to treat sour gases and liquids (e.g. sour kerosene, crude oil, fuel oils, heating oils, distillate fuels, bunker fuel oil, and the like.

Method of treating sour gas and liquid hydrocarbon

Gaseous or liquid hydrocarbon is treated with a scavenging compound comprising an oil soluble 1,3,5-trihexahydro-1,3,5-tert.-butyltriazine. The compound is an effective nonregenerated scavenger for oil field produced fluids, particularly sour hydrocarbon liquids.

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Houston, TX, United States of America

Allan R Thomas