Daniel S Sullivan III, Allan R Thomas, Mark A Edwards, Grahame N Taylor, Paul Yon Hin, Juan M Garcia III: Method of treating sour gas and liquid hydrocarbon. Nalco Exxon Energy Chemicals, R L Graham, October 7, 1997: US05674377 (125 worldwide citation)

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.

Daniel S Sullivan III, Allan R Thomas, Juan M Garcia III, Paul Yon Hin: Method of treating sour gas and liquid hydrocarbon. Nalco Exxon Energy Chemicals, Thomas M Breininger, Kelly L Cummings, Robert L Graham, April 28, 1998: US05744024 (79 worldwide citation)

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 ...

Juan M Garcia III, Michel L Braden: Decalcification of refinery hydrocarbon feedstocks. Nalco Company, Michael B Martin, July 15, 2008: US07399403 (5 worldwide citation)

A process for removing metal contaminants, particularly calcium, from hydrocarbon feedstocks is disclosed. The process comprises mixing the feedstocks with an effective metal removing amount of an aqueous solution of one or more water-soluble poly(acrylic acid) derivatives to form an aqueous phase c ...

Juan M Garcia III: Hydantoins as hydrogen sulfide and mercaptan scavengers. Ecolab USA, Senniger Powers, October 4, 2016: US09458393

The present invention generally relates to compositions and methods for scavenging hydrogen sulfide and/or mercaptans from fluids. More particularly, the invention relates to the use of hydantoin compounds as a hydrogen sulfide or a mercaptan scavenger for hydrocarbon fluids, particularly for natura ...

Juan M Garcia III, Samuel A Lordo, Michael L Braden: Method for removing metals and amines from crude oil. March 24, 2011: US20110068049-A1

A method of removing metals and amines from crude oil comprising adding an effective metal removing amount of one or more hydroxycarboxylic acids selected from lactic acid and malic acid and salts thereof to said crude oil; adding wash water to said crude oil; mixing said crude oil, acid and wash wa ...

Dennis R Compton, J Byron Strickland, Juan M Garcia III: Use of alpha-amino ethers for the removal of hydrogen sulfide from hydrocarbons. January 19, 2012: US20120012507-A1

The invention provides a method of removing hydrogen sulfide from hydrocarbon fluids. The method involves using an alpha-amino ether as a hydrogen sulfide scavenger. This allows for the introduction of an oil soluble scavenger in lieu of water-soluble scavengers.