Method for controlling deposits in the fuel reformer of a fuel cell system
AssigneeChevron U.S.A. Inc.
InventorsGunther H. Dieckmann, James D. Kramer, Richard E. Cherpeck
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Abstract
A method for controlling the deposits in the fuel vaporizer of a fuel reformer used to prepare a liquid hydrocarbon for use as a fuel in a fuel cell which comprises introducing into the fuel vaporizer a liquid hydrocarbon containing an effective deposit controlling amount of a nitrogen-containing detergent additive and a fuel composition suitable for use in a fuel cell which comprises a liquid hydrocarbon having a boiling range at atmospheric pressure falling between about 77 degrees F. (25 degrees C.) and about 437 degrees F. (225 degrees C.), a total sulfur content of less than 3 ppm, and containing an effective deposit controlling amount of a nitrogen-containing detergent additive.
Claims62
A method for controlling deposits in the fuel vaporizer of a fuel reformer used to prepare a liquid hydrocarbon for use as a fuel in a fuel cell which comprises introducing into the fuel vaporizer a liquid hydrocarbon containing an effective deposit controlling amount of a nitrogen-containing detergent additive.
A fuel composition suitable for use in a fuel cell which comprises a liquid hydrocarbon having a boiling range at atmospheric pressure falling between about 77 degrees F. and about 437 degrees F., a total sulfur content of less than 3 ppm, an octane rating of less than 85 (R+M)/2, and containing an effective deposit controlling amount of a nitrogen-containing detergent additive.
Dependencies are inferred from the claim text.