Integrated chemical looping air separation in large-scale oxy-fuel plants
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United States of America Patent
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Jun 9, 2020
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N/A
app pub date -
Nov 15, 2016
filing date -
Sep 23, 2011
priority date (Note) -
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Abstract
An integrated chemical looping air separation unit (5) in a large-scale oxy-fuel power generating plant takes a portion of recycled flue gas (6) via a recycling conduit (7) through a heat exchanger (8) to a reduction reactor (9). The reduction reactor (9) exchanges oxidized metal oxide with an oxidation reactor (11) via transfer means (10) which return reduced metal oxide from the reduction reactor (9) to the oxidation reactor (11). This enables the reduction reactor (9) to feed a mixture of oxygen and recycled flue gas into the boiler (13) of the power generating plant in a more energy efficient manner than conventional oxy-fuel power plants using air separation units.
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International Classification(s)
- C01B:NON-METALLIC ELEMENTS; COMPOUNDS THEREOF
- F23J:REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COM....
- F01K:STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PL....
- F23L:AIR SUPPLY; DRAUGHT-INDUCING; SUPPLYING NON-COMBUS....
- F23C:METHODS OR APPARATUS FOR COMBUSTION USING FLUENT F....
- B01D:SEPARATION
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