Mineral oils: processes and products – Refining – Sulfur removal
Patent
1998-12-28
2000-10-10
Griffin, Walter D.
Mineral oils: processes and products
Refining
Sulfur removal
208244, 208299, 123 1A, C10G 4500
Patent
active
061298352
ABSTRACT:
A fuel processing system is operable to remove substantially all of the sulfur present in gasoline or diesel fuel used for operating an internal combustion engine. The fuel supply is passed through a nickel reactant desulfurizer bed wherein essentially all of the sulfur in organic sulfur compounds in the fuel combine with the nickel reactant in the desulfurizer bed, and are converted to nickel sulfide. The desulfurizing system can operate at ambient or elevated pressures. The fuel can be treated either in a liquid phase or in a vapor phase. The sulfur scrubbing operation can be performed either in a vehicle while the latter is being operated, or at the fueling station (gas station) prior to sale to the end user. The amount of sulfur in the fuel can be lowered to less than about 0.05 ppm. This extends the life of the catalytic converters in vehicles, reduces corrosion of parts of the internal combustion engine, and provides an environmentally compatible system.
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Bonville, Jr. Leonard J.
Lesieur Roger R.
Griffin Walter D.
International Fuel Cells LLC
Jones William W.
Preisch Nadine
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