Carbon capture with power generation
First Claim
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1. A power generation system comprising:
- a carbon production apparatus in the form of an Electric Reaction Technology system having electric resistance heaters to decompose a hydrocarbon gas to hydrogen gas and carbon solids in an oxygen-free and oxidant-free environment, and without net production of carbon monoxide and carbon dioxide;
a separator separating a combined flow of the hydrogen gas and carbon solids from the Electric Reaction Technology system into a hydrogen qas stream and a carbon solids stream;
a direct carbon fuel cell to generate electricity and a carbon dioxide gas stream;
the separator functionally connected to the direct carbon fuel cell to provide the carbon solids stream to the direct carbon fuel cell to generate electricity;
wherein the power generation system is configured to power the Electric Reaction Technology system with a portion of the electricity generated from the direct carbon fuel cell;
a gas turbine system having a combustor; and
a heat exchanger fluidly connected to the separator, the direct carbon fuel cell, and the combustor to heat the hydrogen gas stream using the carbon dioxide gas stream, wherein the power generation system is configured so the heated hydrogen gas stream from the heat exchanger is input as fuel to the combustor.
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Abstract
A gas turbine power generation system having a carbon production apparatus and a carbon fuel cell to generate electricity. The carbon production apparatus is functionally connected to the fuel cell to provide carbon to the fuel cell to generate electricity. The system is configured to power the carbon production apparatus with a portion of the electricity generated from the fuel cell.
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Citations
27 Claims
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1. A power generation system comprising:
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a carbon production apparatus in the form of an Electric Reaction Technology system having electric resistance heaters to decompose a hydrocarbon gas to hydrogen gas and carbon solids in an oxygen-free and oxidant-free environment, and without net production of carbon monoxide and carbon dioxide; a separator separating a combined flow of the hydrogen gas and carbon solids from the Electric Reaction Technology system into a hydrogen qas stream and a carbon solids stream; a direct carbon fuel cell to generate electricity and a carbon dioxide gas stream; the separator functionally connected to the direct carbon fuel cell to provide the carbon solids stream to the direct carbon fuel cell to generate electricity; wherein the power generation system is configured to power the Electric Reaction Technology system with a portion of the electricity generated from the direct carbon fuel cell; a gas turbine system having a combustor; and a heat exchanger fluidly connected to the separator, the direct carbon fuel cell, and the combustor to heat the hydrogen gas stream using the carbon dioxide gas stream, wherein the power generation system is configured so the heated hydrogen gas stream from the heat exchanger is input as fuel to the combustor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of reconfiguring a gas turbine power generation system to capture carbon comprising:
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providing a carbon production apparatus in the form of an Electric Reaction Technology system having electric resistance heaters to decompose hydrocarbon gas to hydrogen gas and carbon solids in an oxygen-free and oxidant-free environment, and without net production of carbon monoxide and carbon dioxide; separating a combined flow of the hydrogen gas and carbon solids from the Electric Reaction Technology system into a hydrogen gas stream and a carbon solids stream in a separator; providing a direct carbon fuel cell; configuring the gas turbine power generation system, carbon production apparatus and direct carbon fuel cell such that carbon from the carbon solids stream is used by the direct carbon fuel cell to generate electricity and a carbon dioxide qas stream; using a portion of the generated electricity to power the Electric Reaction Technology system; heating a portion of the hydrogen gas stream in a heat exchanger using the carbon dioxide gas stream as a heat source; and fueling the gas turbine power generation system with the heated portion of the hydrogen gas stream. - View Dependent Claims (18, 19, 20, 21, 23, 24, 25)
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22. The method of claim comprising:
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providing a carbon dioxide source; carrying, by carbon dioxide, the carbon produced by the carbon production apparatus from the separator to the direct carbon fuel cell.
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26. A method of reconfiguring a gas turbine power generation system to capture carbon comprising:
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providing a carbon production apparatus in the form of a plasma system to decompose hydrocarbons to hydrogen gas and carbon solids in an oxygen-free and oxidant-free environment, and without net production of carbon monoxide and carbon dioxide; separating a combined flow of the hydrogen gas and carbon solids from the plasma system into a hydrogen gas stream and a carbon solids stream; providing a direct carbon fuel cell; configuring the gas turbine power generation system, carbon production apparatus and direct carbon fuel cell such that carbon from the carbon solids stream is used by the direct carbon fuel cell to generate electricity and a carbon dioxide gas stream; using a portion of the generated electricity to power the plasma system; heating a portion of the hydrogen gas stream in a heat exchanger using the carbon dioxide gas stream as a heat source; and fueling the gas turbine power generation system using the heated portion of the hydrogen gas stream.
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27. A power generation system comprising:
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a carbon production apparatus in the form of an plasma system to decompose hydrocarbon gas to hydrogen gas and carbon solids in an oxygen-free and oxidant-free environment, and without net production of carbon monoxide and carbon dioxide; a separator separating a combined flow of the hydrogen gas and carbon solids from the plasma system into a hydrogen gas stream and a carbon solids stream; a direct carbon fuel cell to generate electricity and a carbon dioxide gas stream; the separator functionally connected to the direct carbon fuel cell to provide the carbon solids stream to the direct carbon fuel cell to generate electricity; wherein the power generation system is configured to power the plasma system with a portion of the electricity generated from the direct carbon fuel cell; a gas turbine system having a combustor; and a heat exchanger fluidly connected to the separator, the direct carbon fuel cell, and the combustor to heat the hydrogen gas stream using the carbon dioxide gas stream, wherein the power generation system is configured so the heated hydrogen gas stream from the heat exchanger is input as fuel to the combustor.
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Specification