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Kenneth S Wheelock, Geoffrey R Say: Gas desulfurization. Exxon Research and Engineering Co, Marthe L Gibbons, January 11, 1977: US04002720 (32 worldwide citation)

Hydrogen sulfide and its precursors can be selectively sorbed from gas streams containing the same by contacting the gas stream at elevated temperatures with a regenerable sorbent comprising a steam-treated support composited with a rare earth metal component. Presteaming the support lowers the amou ...


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Geoffrey R Say: Process for removing acidic compounds from gaseous mixtures using a two liquid phase scrubbing solution. Exxon Research & Engineering Co, Edward H Mazer, February 17, 1981: US04251494 (31 worldwide citation)

An improved process for removing carbon dioxide from a gaseous feed including carbon dioxide is described. The carbon dioxide is removed from a gaseous feed by contacting the feed in a contacting zone with a scrubbing solution comprising a sterically hindered amine and an alkali metal salt or alkali ...


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Duane A Goetsch, Geoffrey R Say: Synthesis gas preparation and catalyst therefor. Exxon Research and Engineering Company, Jay Simon, October 31, 1989: US04877550 (28 worldwide citation)

Light hydrocarbons, e.g., methane are converted to synthesis gas at elevated temperatures and pressures in the presence of a particulate catalyst, e.g., Ni/Al.sub.2 O.sub.3. The conversion of feed to synthesis gas is preserved by rapidly cooling the reaction production to a temperature below that wh ...


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James H Taylor Jr, James P Glass Jr, Geoffrey R Say, Richard P O Connor: Very low sulfur gas feeds for sulfur sensitive syngas and hydrocarbon synthesis processes. Exxon Research and Engineering Company, Jay Simon, March 16, 1999: US05882614 (24 worldwide citation)

Very low sulfur content hydrocarbon gas is achieved by sequentially contacting the gas first with zinc oxide and then with nickel metal. This has reduced the total sulfur content of natural gas feed for a fluid bed syngas generator to less than 0.1 ppm and has resulted in greater syngas productivity ...


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Fred J Heinzelmann, Noah S Rothblatt, James P Glass Jr, Geoffrey R Say, George R Chludzinski, Guido Sartori, W S Winston Ho: Absorbent composition containing a severely hindered amino compound and an amine salt and process for the absorption of H.sub.2 S using the same. Exxon Research and Engineering Co, Marthe L Gibbons, October 21, 1986: US04618481 (23 worldwide citation)

An alkaline absorbent composition comprising a severely hindered amino compound and an amine salt is provided. A process for the removal of H.sub.2 S from fluid mixtures using this absorbent composition to produce a very low level of H.sub.2 S in the treated fluid is also provided. The process is al ...


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Duane A Goetsch, Geoffrey R Say, Jose M Vargas, Paul E Eberly: Synthesis gas preparation and catalyst therefor. Exxon Research and Engineering Company, Jay Simon, December 19, 1989: US04888131 (21 worldwide citation)

Synthesis gas is produced by the reaction of light hydrocarbons, primarily methane, in a fluid bed reaction zone of attrition resistant nickel on alpha-alumina catalyst, with steam and oxygen and the conversion level is preserved by limiting the loss of nickel from the reaction and thereby limiting ...


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James H Taylor Jr, James P Glass Jr, Geoffrey R Say, Richard P O Connor: Very low sulfur gas feeds for sulfur sensitive syngas and hydrocarbon synthesis processes. Exxon Research and Engineering Co, Jay Simon, August 15, 2000: US06103206 (20 worldwide citation)

Very low sulfur content hydrocarbon gas is achieved by sequentially contacting the gas first with zinc oxide and then with nickel metal. This has reduced the total sulfur content of natural gas feed for a fluid bed syngas generator to less than 0.1 ppm and has resulted in greater syngas productivity ...


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Geoffrey R Say, James H Taylor, David C Long, Rocco A Fiato: Synthesis gas generation startup process (C-2556). Exxon Research and Engineering Company, Jay Simon, September 1, 1992: US05143647 (20 worldwide citation)

Start-up procedure for FBSG process involving starting up under oxidizing conditions with Al.sub.2 O.sub.3 (no Ni) particles in the bed and the switching to reducing conditions prior to adding Ni/Al.sub.2 O.sub.3 catalyst. This procedure will prevent catalyst particle agglomeration.


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