capture system

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United States of America Patent

PATENT NO 9409120
APP PUB NO 20150190748A1
SERIAL NO

14591392

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Abstract

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A process for recovery of CO2 from a post-combustion gas includes pre-concentrating a CO2 component of the post-combustion flue gas by passing the post-combustion gas through a CO2-selective membrane module to provide a CO2-enriched permeate stream and a CO2-lean reject stream. Next, in a CO2 absorber, both the CO2-enriched permeate stream and CO2 lean reject stream, fed to separate feed locations on the CO2 absorber, are contacted with a scrubbing solvent to absorb CO2 and provide a carbon-rich scrubbing solvent. Finally, absorbed CO2 is stripped from the carbon-rich scrubbing solvent by a two-stage CO2 stripping system. The CO2-selective membrane may be a high flux, low pressure drop, low CO2 selectivity membrane. The two stage stripping system includes a primary CO2 stripping column for stripping CO2 from the carbon-rich scrubbing solvent exiting the CO2 absorber, and a secondary CO2 stripping column for stripping CO2 from a carbon-lean scrubbing solvent exiting the primary CO2 stripping column. Apparatus for CO2 removal from post-combustion gases in a pulverized coal power plant incorporating the described processes are described.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
UNIVERSITY OF KENTUCKY RESEARCH FOUNDATIONLEXINGTON, KY362

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frimpong, Reynolds A Lexington, US 1 0
Liu, Kun Lexington, US 126 518
Liu, Kunlei Lexington, US 17 9

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (2)
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L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE (3)
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Kilimanjaro Energy, Inc. (4)
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IFP (1)
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FLUOR TECHNOLOGISE CORPORATION (1)
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COAWAY LLC (1)
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UNIVERSITY OF KENTUCKY RESEARCH FOUNDATION (1)
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The United States of America as represented by the United States Department of Energy (1)
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Ansaldo Energia S.p.A. (1)
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UOP LLC (3)
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SIEMENS AKTIENGESELLSCHAFT (2)
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HAMILTON SUNDSTRAND CORPORATION (1)
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DOOSAN BABCOCK LIMITED (2)
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UOP LLC (1)
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FORSCHUNGSZENTRUM JULICH GMBH (1)
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HITACHI ZOSEN CORPORATION (1)
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EXPANSION ENERGY LLC (1)
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CARBON SINK INC. (2)
8715393 ) from air 9 2008
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BASF AKTIENGESELLSCHAFT (1)
* 2003/0141,223 Method for neutralising a stream of hydrocarbon fluid 3 2002
* Cited By Examiner

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