A method of generating hydrogen for use in a fuel cell system, which comprises processing a fuel which is essentially free of organic sulfur-containing compounds to produce a hydrogen-containing stream.
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The claims defining the invention are as follows: 1. A method of generating hydrogen for use in a fuel cell system, which comprises processing a fuel which is essentially free of organic sulfur-containing compounds to produce a hydrogen-containing stream, wherein the hydrogen-containing stream is u
The claims defining the invention are as follows: 1. A method of generating hydrogen for use in a fuel cell system, which comprises processing a fuel which is essentially free of organic sulfur-containing compounds to produce a hydrogen-containing stream, wherein the hydrogen-containing stream is used for hydrodesulfurisation of a primary hydrocarbon fuel supplied to the fuel cell system, and wherein in the method the fuel that is essentially free of organic sulfur-containing compounds is not the same fuel as the primary hydrocarbon fuel, wherein the fuel that is essentially free of organic sulfur-containing compounds is processed without having been subjected to hydrodesulfurisation, and wherein the fuel is processed to produce a hydrogen-containing stream using a steam reformer, autothermal reformer or partial oxidation reactor. 2. A method according to claim 1, wherein the hydrogen-containing stream is used as fuel for the fuel cell system during start-up of the system. 3. A method according to claim 1, wherein the hydrogen-containing stream is used as fuel for the fuel cell system during shut down of the system. 4. A method according to claim 1, wherein the fuel which is processed contains at most 0.1 ppm by volume sulfur. 5. A method according to claim 4, wherein the fuel which is processed contains at most 0.1 ppm by volume sulfur. 6. A method according to claim 5, wherein the fuel which is processed is entirely free of sulfur. 7. A method according to claim 1, wherein the fuel which is processed is selected from bioethanol, biodiesel, rapeseed oil, rapeseed methyl ester, canola oil, canola methyl ester, corn oil, hemp oil, switch grass oil, fatty acid methyl esters, linseed oil, linseed methyl ester, sunflower oil, sunflower oil methyl ester, soy bean oil, palmitic acid, lauric acid, stearic acid, lanoleic acid and mixtures of any two or more of these. 8. A method according to claim 1, wherein the hydrogen-containing stream is mixed with a primary fuel and delivered to a hydrogenation catalyst where organic sulfur-containing compounds in the primary fuel are converted to H2S and/or non-sulfur-containing hydrocarbons. 9. A method of operating a fuel cell which comprises generating a hydrogen-containing stream by the method as claimed in claim 1. 10. A fuel cell system comprising a fuel processor selected from a steam reformer, an autothermal reformer and a partial oxidation reactor which is used to produce a hydrogen-containing stream from a fuel that is essentially free of organic sulfur-containing compounds, wherein the hydrogen-containing stream is used for hydrodesulfurisation of a primary hydrocarbon fuel that is supplied to the fuel cell system and that is not the same as the fuel that is essentially free of organic sulfur-containing compounds, and wherein the fuel cell system does not include means for hydrodesulfurisation of the fuel that is essentially free of organic sulfur-containing compounds. 11. A system according to claim 10, wherein the hydrogen-containing stream is used as flue for the fuel cell system during start-up of the system. 12. A system according to claim 10, wherein the hydrogen-containing stream is used as fuel for the fuel cell system during shut down of the system.
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이 특허에 인용된 특허 (3)
Buswell Richard F. (Glastonbury CT) Clausi Joseph V. (Portland CT) Cohen Ronald (Boca Raton FL) Louie Craig (Vancouver CAX) Watkins David S. (Coquitlam CAX), Hydrocarbon fueled solid polymer fuel cell electric power generation system.
Scotto, Mark Vincent; Birmingham, Daniel P.; DeBellis, Crispin L.; Perna, Mark Anthony; Rush, Gregory C., Apparatus for generating a gas which may be used for startup and shutdown of a fuel cell.
Scotto, Mark Vincent; Birmingham, Daniel P.; DeBellis, Crispin L.; Perna, Mark Anthony; Rush, Gregory C., Apparatus for generating a gas which may be used for startup and shutdown of a fuel cell.
Scotto, Mark Vincent; Birmingham, Daniel P.; DeBellis, Crispin L.; Perna, Mark Anthony; Rush, Gregory C., Method for generating a gas which may be used for startup and shutdown of a fuel cell.
Scotto, Mark Vincent; Birmingham, Daniel P.; DeBellis, Crispin L.; Perna, Mark Anthony; Rush, Gregory C., Method for generating a gas which may be used for startup and shutdown of a fuel cell.
Pham, Thang Viet; Imran, Hasan; Daoudi, Mohamed, Non-catalytic hydrogen generation process for delivery to a hydrodesulfurization unit and a solid oxide fuel cell system combination for auxiliary power unit application.
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