A process for generating power using a gas turbine, comprising the steps of: (i) vaporising and pre-heating liquid ammonia to produce pre-heated ammonia gas; (ii) introducing the pre-heated ammonia gas into an ammonia-cracking device suitable for converting ammonia gas into a mixture of hydrogen and
A process for generating power using a gas turbine, comprising the steps of: (i) vaporising and pre-heating liquid ammonia to produce pre-heated ammonia gas; (ii) introducing the pre-heated ammonia gas into an ammonia-cracking device suitable for converting ammonia gas into a mixture of hydrogen and nitrogen; (iii) converting the pre-heated ammonia gas into a mixture of hydrogen and nitrogen in the device; (iv) cooling the mixture of hydrogen and nitrogen to give a cooled hydrogen and nitrogen mixture; (v) introducing the cooled hydrogen and nitrogen mixture into a gas turbine; and (vi) combusting the cooled hydrogen and nitrogen mixture in the gas turbine to generate power.
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1. A process for generating power using a gas turbine, comprising the steps of: (i) vaporising and pre-heating liquid ammonia to produce pre-heated ammonia gas;(ii) introducing said pre-heated ammonia gas into an ammonia-cracking device, wherein said device is suitable for converting ammonia gas int
1. A process for generating power using a gas turbine, comprising the steps of: (i) vaporising and pre-heating liquid ammonia to produce pre-heated ammonia gas;(ii) introducing said pre-heated ammonia gas into an ammonia-cracking device, wherein said device is suitable for converting ammonia gas into a mixture of hydrogen and nitrogen;(iii) converting said pre-heated ammonia gas into a mixture of hydrogen and nitrogen in said device;(iv) cooling said mixture of hydrogen and nitrogen to give a cooled hydrogen and nitrogen mixture;(v) introducing said cooled hydrogen and nitrogen mixture into a gas turbine; and(vi) combusting said cooled hydrogen and nitrogen mixture in said gas turbine to generate said power. 2. A process as claimed in claim 1, wherein a fuel source assists the conversion of said pre-heated ammonia gas into said mixture of hydrogen and nitrogen in said ammonia-cracking device, optionally wherein said fuel source comprises a portion of said cooled hydrogen and nitrogen mixture, preferablywherein said fuel source comprises 10-20% of said cooled hydrogen and nitrogen mixture. 3. (canceled) 4. (canceled) 5. A process as claimed in claim 1, wherein said vaporising and pre-heating of said liquid ammonia occurs at a temperature of 300-700° C. and/or at a pressure of 2-50 barg. 6. (canceled) 7. A process as claimed in claim 1, wherein said pre-heated ammonia gas is pumped to a pressure matching the fuel pressure required for said gas turbine before introduction into said ammonia-cracking device, preferably wherein said pre-heated ammonia gas is pumped to a pressure of 15-40 barg. 8. (canceled) 9. A process as claimed in claim 1, wherein said ammonia-cracking device is a catalytic ammonia-cracking device containing a catalyst, preferably wherein said catalytic ammonia-cracking device is a reforming reactor, more preferablywherein said reforming reactor is a convection pressure-pressure reforming reactor. 10. (canceled) 11. (canceled) 12. A process as claimed in claim 9, wherein said catalyst is selected from nickel catalysts, iron catalysts, manganese catalysts, platinum catalysts, palladium catalysts, lanthanum catalysts, molybdenum catalysts and zirconium catalysts, or mixtures thereof, preferably wherein said catalyst is a nickel catalyst. 13. A process as claimed in claim 12, wherein said catalyst is supported on alumina or magnesium alumina, preferably wherein said nickel catalyst is a nickel catalyst supported on magnesium alumina. 14. (canceled) 15. (canceled) 16. A process as claimed in claim 1, wherein said converting of said pre-heated ammonia gas into said mixture of hydrogen and nitrogen occurs at a temperature of 500-1100° C. 17. A process as claimed in claim 1, wherein said mixture of hydrogen and nitrogen is cooled to a temperature of 40-300° C. 18. A process as claimed in claim 1, wherein the composition of said mixture of hydrogen and nitrogen is adjusted using purification techniques, preferably wherein said purification techniques involve membranes or pressure swing adsorption. 19. (canceled) 20. A process as claimed in claim 1, wherein unconverted ammonia gas is removed from said cooled hydrogen and nitrogen mixture, preferably wherein said unconverted ammonia gas is removed using a water scrubber. 21. (canceled) 22. A process as claimed in claim 1, wherein a portion of the fluegas exiting said ammonia-cracking device is fed into said cooled hydrogen and nitrogen mixture, preferably wherein said fluegas comprises mainly water and nitrogen and/orwherein said fluegas comprises less than 2% oxygen. 23. (canceled) 24. (canceled) 25. A process as claimed in claim 1, wherein a portion of the fluegas exiting said ammonia-cracking device is expanded in an expander to recover energy therefrom. 26. A process as claimed in claim 1, wherein excess heat generated by said ammonia-cracking device is used to produce steam and at least a portion of said steam is fed into said cooled hydrogen and nitrogen mixture prior to introduction into said gas turbine, optionally wherein said cooled hydrogen and nitrogen mixture comprising at least a portion of said steam that is introduced into said gas turbine comprises 40-60% hydrogen, 40-60% nitrogen and 10-20% water. 27. A process as claimed in claim 1, wherein excess heat generated by said gas turbine is used to produce steam and at least a portion of said steam is fed into said cooled hydrogen and nitrogen mixture prior to introduction into said gas turbine, optionally wherein said cooled hydrogen and nitrogen mixture comprising at least a portion of said steam that is introduced into said gas turbine comprises 40-60% hydrogen, 40-60% nitrogen and 10-20% water. 28. (canceled) 29. A process as claimed in claim 1, wherein said gas turbine is an onshore gas turbine or wherein said gas turbine is an offshore gas turbine, preferably wherein said offshore gas turbine is connected to a floating ammonia storage tank. 30. (canceled) 31. (canceled) 32. A process as claimed in claim 1, wherein said gas turbine is associated with a renewable energy system, preferably comprising a wind turbine, such that when said renewable energy system is unable to generate power, said cooled hydrogen and nitrogen mixture is combusted in said gas turbine to generate said power. 33. (canceled) 34. A process as claimed in claim 1, comprising the steps of: (i) vaporising and pre-heating liquid ammonia to produce said pre-heated ammonia gas;(ii) introducing said pre-heated ammonia gas into said ammonia-cracking device containing a catalyst, wherein said device is suitable for converting ammonia gas into a mixture of hydrogen and nitrogen;(iii) extracting combustion air from said gas turbine;(iv) introducing said combustion air into said ammonia-cracking device;(v) converting said pre-heated ammonia gas into said mixture of hydrogen and nitrogen in said device containing a catalyst;(vi) cooling said mixture of hydrogen and nitrogen to give said cooled hydrogen and nitrogen mixture;(vii) introducing at least a portion of the fluegas comprising nitrogen and water exiting said ammonia-cracking device into said cooled hydrogen and nitrogen mixture;(viii) introducing said cooled hydrogen and nitrogen mixture and said at least a portion of said fluegas into said gas turbine; and(ix) combusting said cooled hydrogen and nitrogen and said at least a portion of said fluegas in said gas turbine to generate said power. 35. A process for producing a fuel for a gas turbine, comprising the steps of: (i) vaporising and pre-heating liquid ammonia to produce pre-heated ammonia gas;(ii) introducing said pre-heated ammonia gas into an ammonia-cracking device, wherein said device is suitable for converting ammonia gas into a mixture of hydrogen and nitrogen;(iii) converting said pre-heated ammonia gas into a mixture of hydrogen and nitrogen in said device; and(iv) cooling said mixture of hydrogen and nitrogen to give a cooled hydrogen and nitrogen mixture suitable for use as a fuel for a gas turbine. 36. A process as claimed in claim 35, wherein a fuel source assists the conversion of said pre-heated ammonia gas into said mixture of hydrogen and nitrogen in said ammonia-cracking device, optionally wherein said fuel source comprises a portion of said cooled hydrogen and nitrogen mixture, preferablywherein said fuel source comprises 10-20% of said cooled hydrogen and nitrogen mixture. 37. (canceled) 38. (canceled) 39. A process as claimed in claim 35, wherein said vaporising and pre-heating of said liquid ammonia occurs at a temperature of 300-700° C. and/or at a pressure of 2-50 barg . 40. (canceled) 41. A process as claimed in claim 35, wherein said pre-heated ammonia gas is pumped to a pressure matching the fuel pressure required for use in a gas turbine before introduction into said ammonia-cracking device, preferably wherein said pre-heated ammonia gas is pumped to a pressure of 15-40 barg. 42. (canceled) 43. A process as claimed in claim 35, wherein said ammonia-cracking device is a catalytic ammonia-cracking device containing a catalyst, preferably wherein said catalytic ammonia-cracking device is a reforming reactor, more preferablywherein said reforming reactor is a convection pressure-pressure reforming reactor. 44. (canceled) 45. (canceled) 46. A process as claimed in claim 43, wherein said catalyst is a catalyst selected from nickel catalysts, iron catalysts, manganese catalysts, platinum catalysts, palladium catalysts, lanthanum catalysts, molybdenum catalysts and zirconium catalysts, or mixtures thereof; optionally wherein said catalyst is supported on alumina or magnesium alumina;preferably wherein said catalyst is a nickel catalyst; andpreferably wherein said nickel catalyst is a nickel catalyst supported on magnesium alumina. 47. A process as claimed in claim 35, wherein said converting of said pre-heated ammonia gas into said mixture of hydrogen and nitrogen occurs at a temperature of 500-1100° C. 48. A process as claimed in claim 35, wherein said mixture of hydrogen and nitrogen is cooled to a temperature of 40-300° C. 49. A process as claimed in claim 35, wherein the composition of said mixture of hydrogen and nitrogen is adjusted using purification techniques, preferably wherein said purification techniques involve membranes or pressure swing adsorption. 50. (canceled) 51. A process as claimed in claim 35, wherein unconverted ammonia gas is removed from said cooled hydrogen and nitrogen mixture, preferably wherein said unconverted ammonia gas is removed using a water scrubber. 52. (canceled) 53. A process as claimed in claim 35, wherein a portion of the fluegas exiting said ammonia-cracking device is fed into said cooled hydrogen and nitrogen mixture, preferably wherein said fluegas comprises mainly water and nitrogen and/orwherein said fluegas comprises less than 2% oxygen. 54. (canceled) 55. (canceled) 56. A process as claimed in claim 35, wherein a portion of the fluegas exiting said ammonia-cracking device is expanded in an expander to recover energy therefrom. 57. A process as claimed in claim 35, wherein excess heat generated by said ammonia-cracking device is used to produce steam and at least a portion of said steam is fed into said cooled hydrogen and nitrogen mixture, preferably wherein said cooled hydrogen and nitrogen mixture comprising at least a portion of said steam to be introduced into a gas turbine comprises 40-60% hydrogen, 40-60% nitrogen and 10-20% water. 58. (canceled) 59. (canceled) 60. A system for generating power using a gas turbine, comprising: (i) a heat exchanger and vaporiser comprising an inlet for liquid ammonia and an outlet for pre-heated ammonia gas;(ii) an ammonia-cracking device comprising an inlet for said pre-heated ammonia gas and an outlet for a mixture of hydrogen and nitrogen, wherein said ammonia-cracking device contains a catalyst;(iii) cooling unit comprising an inlet for said mixture of hydrogen and nitrogen and an outlet for a cooled mixture of hydrogen and nitrogen; and(iv) a gas turbine comprising an inlet for said cooled mixture of hydrogen and nitrogen, wherein said gas turbine is suitable for the combustion of said cooled mixture of hydrogen and nitrogen to generate said power. 61. A system as claimed in claim 60, comprising: (i) a heat exchanger and vaporiser comprising an inlet for liquid ammonia and an outlet for pre-heated ammonia gas;(ii) an ammonia-cracking device comprising a first inlet for said pre-heated ammonia gas, a second inlet for combustion air, a first outlet for a mixture of hydrogen and nitrogen, and a second outlet for fluegas, wherein said ammonia-cracking device contains a catalyst;(iii) cooling unit comprising an inlet for said mixture of hydrogen and nitrogen and an outlet for a cooled mixture of hydrogen and nitrogen;(iv) a gas turbine comprising an inlet for said cooled mixture of hydrogen and nitrogen and at least a portion of said fluegas, and an outlet for said combustion air, wherein said gas turbine is suitable for the combustion of said cooled mixture of hydrogen and nitrogen and said at least a portion of said fluegas to generate said power. 62. A system as claimed in claim 60, wherein a supply of compressed air is fed into said ammonia-cracking device, preferably wherein said supply of compressed air is extracted from said gas turbine. 63. (canceled) 64. A system as claimed in claim 60, wherein said ammonia-cracking device comprises a further inlet for a portion of said cooled mixture of hydrogen and nitrogen produced in said ammonia-cracking device. 65. A system as claimed in claim 60, wherein said gas turbine is an onshore gas turbine, or wherein said gas turbine is an offshore gas turbine, preferablywherein said offshore gas turbine is connected to a floating ammonia storage tank. 66. (canceled) 67. (canceled) 68. A system as claimed in claim 60, wherein said gas turbine is associated with a renewable energy system, preferably comprising a wind turbine, such that when said renewable energy system is unable to generate power, said cooled hydrogen and nitrogen mixture can be combusted in said gas turbine to generate said power. 69. (canceled) 70. A system as claimed in claim 60, further comprising a purification unit to adjust the composition of said hydrogen and nitrogen mixture prior to introduction in said cooling unit. 71. A system as claimed in claim 60, further comprising a HRSG unit downstream of said ammonia-cracking device and/or downstream of said gas turbine. 72. (canceled)
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