# US 2022/0136700 A1 · Method of generating gas turbine fuel and gas turbine system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0136700 A1 - Document ID: US20220136700A1 - Status: Published application - Kind: A1 - Application number: 17/431,095 - Filed: 2020-02-14 - Published: 2022-05-05 - Earliest claimed: 2019-02-15 - Assignees: Amtech Corporation - Applicants: Amtech AS - Inventors: Asbjørn STRAND; Kumar Ranjan ROUT; De CHEN - Web page: https://patentgrep.com/patent/US20220136700A1 ## CPC - C01B 3/384: with external heating of the catalyst - F23C 9/00: Combustion apparatus characterised by arrangements for returning combustion products or flue gases to the combustion chamber (fluidised bed combustion apparatus with means for recirculation of particles entrained from the bed F23C10/02; fluidised bed combustion apparatus with devices for removal and partial reintroduction of material from the bed F23C10/26) - B01D 53/08: according to the "moving bed" method - B01D 53/12: according to the "fluidised technique" - C01B 3/16: using catalysts - C01B 3/38: using catalysts - C01B 2203/0233: the reforming step being a steam reforming step - C01B 2203/0425: In-situ adsorption process during hydrogen production - F23C 2900/9901: Combustion process using hydrogen, hydrogen peroxide water or brown gas as fuel - F23J 2215/50: Carbon dioxide - F23J 2219/60: Sorption with dry devices, e.g. beds - F23R 2900/00002: Gas turbine combustors adapted for fuels having low heating value [LHV] - F23R 2900/00016: Retrofitting in general, e.g. to respect new regulations on pollution - F23R 2900/03341: Sequential combustion chambers or burners - Y02E 20/16: Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT] - Y02E 20/18: Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS] - C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C} - F23C: METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN {A CARRIER GAS OR} AIR (burners F23D) - B01D: SEPARATION (separating solids from solids by wet methods B03B, B03D; by pneumatic jigs or tables B03B; by other dry methods B07; magnetic or electrostatic separation of solid materials from solid materials or fluids, separation by high-voltage electric fields B03C; centrifuges, vortex apparatus B04; presses per se for squeezing-out liquid from liquid-containing material B30B9/02; treatment of water C02F, e.g. softening by ion-exchange C02F1/42; {arrangements of air intake cleaners in gas turbine plants F02C7/05} ; arrangements or mounting of filters in air-conditioning, air-humidification or ventilation F24F13/28) - F23J: REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES (combustion apparatus for consuming smoke or fumes, e.g. exhaust gases, F23G7/06) - F23R: GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS (fluidised bed combustion apparatus specially adapted for operation at superatmospheric pressures F23C10/16) - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract Disclosed herein is a fuel for use in a combustor of a gas turbine, wherein the fuel is a gas mixture that comprises hydrogen and exhaust gas from a total combustor. ## Claims ### Claim 1 (canceled) ### Claim 2 A fuel for use in a combustor of a gas turbine, wherein: the fuel is a gas mixture that comprises hydrogen and exhaust gas from a total combustor; and the fuel is produced according to a method that comprises: generating reformate using heat from a total combustor, wherein the reformate comprises hydrogen; and generating the fuel by mixing at least part of the reformate with at least part of the exhaust gas from the total combustor. ### Claim 3 (depends on 2) The fuel according to claim 2, wherein 30% vol to 55% vol of the fuel is hydrogen, preferably 40% vol to 50% vol of the fuel is hydrogen, and more preferably 40% vol of the fuel is hydrogen. ### Claim 4 (depends on 2) The fuel according to claim 2, wherein the exhaust gas component of the fuel comprises nitrogen and carbon dioxide. ### Claim 5 (depends on 2) The fuel according to claim 2, wherein the exhaust gas component of the fuel comprises H2O. ### Claim 6 (depends on 2) The fuel according to claim 2, wherein 71% vol to 73% vol of the exhaust gas component of the fuel is nitrogen, 17% vol to 19% vol of the exhaust gas component of the fuel is H2O, and 8% vol to 9% vol of the exhaust gas component of the fuel is CO2. ### Claim 7 (depends on 2) The fuel according to claim 2, wherein the hydrogen component of the fuel is comprised by a reformate component of the fuel, wherein the reformate component of the fuel comprises about 90% vol to 95% vol hydrogen. ### Claim 8 (depends on 2) The fuel according to claim 2, wherein the reformate component of the fuel comprises any of CH4, CO2, CO and H2O. ### Claim 9 (depends on 2) A mixture of fuel and air for use in a combustor of a gas turbine, wherein the fuel is a fuel according to claim 2 and, in use, the air that the fuel is combusted with in the combustor has not been oxygen depleted. ### Claim 10 (canceled) ### Claim 11 (canceled) ### Claim 12 A gas turbine system comprising: a gas turbine comprising a first combustor that, in use, receives a fuel that is a gas mixture that comprises hydrogen and an exhaust gas; a hydrogen producing system; a second combustor, wherein the second combustor is a total combustor and the second combustor is separate from the first combustor; and an air intake for receiving air; wherein: the hydrogen producing system is arranged to perform a reforming process on a carbonaceous gas, wherein the reforming process generates a reformate that comprises hydrogen; the total combustor is arranged to generate heat and an exhaust gas; and the combustor of the gas turbine is arranged to receive reformate output from the hydrogen producing system, exhaust gas from the total combustor, and air from the air intake. ### Claim 13 (depends on 12) The gas turbine system according to claim 12, wherein the hydrogen producing system comprises arrangement for capturing, by a sorbent, carbon dioxide generated by the reforming process; and at least some of the heat generated by the total combustor is used to regenerate sorbent that has captured carbon dioxide in the hydrogen producing system. ### Claim 14 (canceled) ### Claim 15 (canceled) ### Claim 16 (canceled)