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US 2014/0109575 A1Published application
Method for reducing flue gas carbon dioxide emissions
AssigneeFluor Technologies Corporation
InventorSander Balkenende
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Abstract
Plants, devices, and methods are presented which economically and effectively reduce carbon dioxide (CO2) emissions from flue gases by converting heat derived from one or more sources of flue gas to drive a heat engine, which generates power, energy, and/or work that is utilized by a CO2 capture unit coupled to the stream of flue gas. CO2 captured from the flue gas stream may be sequestered and/or utilized for commercial purposes.
Claims16
A method of reducing CO2 emissions from flue gases comprising;
- collecting and combining a plurality of hot flue gas streams from a plurality of respective flue gas sources to thereby form a combined hot flue gas stream;
- recovering at least a portion of heat from the combined hot flue gas stream to generate a cooled flue gas stream;
- utilizing at least a portion of the recovered heat to drive a heat engine to generate power, wherein at least a portion of the generated power is used to remove CO2 from the cooled flue gas stream.
A flue gas treatment unit for capturing CO2 from flue gas, comprising;
- a duct that is in fluid communication with a plurality of flue gas sources and a CO2 capture unit;
- wherein the duct is configured to form a combined hot flue gas stream from a plurality of hot flue gas streams of the plurality of flue gas sources, respectively;
- a heat recovery unit that is in thermal communication with the duct to recover heat from the combined hot flue gas stream and is interposed between the plurality of flue gas sources and the CO2 capture unit;
- and
- a heat engine operatively coupled to the heat recovery unit and configured to supply power to the CO2 capture unit.
2 more elements
Dependencies are inferred from the claim text.