PROCESS FOR REMOVING CARBON DIOXIDE FROM A GAS STREAM
The invention provides a process for removing carbon dioxide from a gas stream comprising the steps of: (a) contacting the gas stream with an absorption solvent to obtain a gas stream with a reduced carbon dioxide content and a carbon dioxide-containing absorption solvent; (b) withdrawing at least p...
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| creator | GEUZEBROEK, FRANK HAIKO ZHANG, XIAOHUI KONIJN, GERRIT |
| description | The invention provides a process for removing carbon dioxide from a gas stream comprising the steps of: (a) contacting the gas stream with an absorption solvent to obtain a gas stream with a reduced carbon dioxide content and a carbon dioxide-containing absorption solvent; (b) withdrawing at least part of the gas stream with the reduced carbon dioxide content; (c) withdrawing at least part of the carbon dioxide-containing absorption solvent obtained in step (a) and heat it to obtain a mixture comprising a gas phase, an aqueous liquid phase and a non-aqueous liquid phase, wherein carbon dioxide is predominantly present in the gas phase; (d) introducing at least part of the mixture obtained in step (c) into a gas lift reactor to further release carbon dioxide absorbed in the aqueous liquid phase and the non aqueous liquid phase, whereby the gas phase establishes circulation and mixing of the aqueous liquid phase and the non-aqueous liquid phase between a lower section of the gas lift reactor and an upper section of the gas lift reactor; (e) withdrawing a gas stream comprising carbon dioxide from the gas lift reactor; (f) withdrawing a mixture of the aqueous liquid phase and the non-aqueous liquid phase from the gas lift reactor, which mixture has released carbon dioxide, and (g) cooling at least part of the mixture of the aqueous liquid phase and the non-aqueous liquid phase to obtain regenerated absorption solvent. |
| format | Patent |
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(b) withdrawing at least part of the gas stream with the reduced carbon dioxide content; (c) withdrawing at least part of the carbon dioxide-containing absorption solvent obtained in step (a) and heat it to obtain a mixture comprising a gas phase, an aqueous liquid phase and a non-aqueous liquid phase, wherein carbon dioxide is predominantly present in the gas phase; (d) introducing at least part of the mixture obtained in step (c) into a gas lift reactor to further release carbon dioxide absorbed in the aqueous liquid phase and the non aqueous liquid phase, whereby the gas phase establishes circulation and mixing of the aqueous liquid phase and the non-aqueous liquid phase between a lower section of the gas lift reactor and an upper section of the gas lift reactor; (e) withdrawing a gas stream comprising carbon dioxide from the gas lift reactor; (f) withdrawing a mixture of the aqueous liquid phase and the non-aqueous liquid phase from the gas lift reactor, which mixture has released carbon dioxide, and (g) cooling at least part of the mixture of the aqueous liquid phase and the non-aqueous liquid phase to obtain regenerated absorption solvent.</description><language>eng ; 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(b) withdrawing at least part of the gas stream with the reduced carbon dioxide content; (c) withdrawing at least part of the carbon dioxide-containing absorption solvent obtained in step (a) and heat it to obtain a mixture comprising a gas phase, an aqueous liquid phase and a non-aqueous liquid phase, wherein carbon dioxide is predominantly present in the gas phase; (d) introducing at least part of the mixture obtained in step (c) into a gas lift reactor to further release carbon dioxide absorbed in the aqueous liquid phase and the non aqueous liquid phase, whereby the gas phase establishes circulation and mixing of the aqueous liquid phase and the non-aqueous liquid phase between a lower section of the gas lift reactor and an upper section of the gas lift reactor; (e) withdrawing a gas stream comprising carbon dioxide from the gas lift reactor; (f) withdrawing a mixture of the aqueous liquid phase and the non-aqueous liquid phase from the gas lift reactor, which mixture has released carbon dioxide, and (g) cooling at least part of the mixture of the aqueous liquid phase and the non-aqueous liquid phase to obtain regenerated absorption solvent.</description><subject>CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSEGASES [GHG]</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>PERFORMING OPERATIONS</subject><subject>PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL</subject><subject>SEPARATION</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><subject>TRANSPORTING</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2014</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDANCPJ3dg0OVnDzD1IIcvX1D_P0c1dwdgxy8vdTcPH0j_B0cVVwC_L3VXBUcHcMVggOCXJ19OVhYE1LzClO5YXS3AwKbq4hzh66qQX58anFBYnJqXmpJfGuAUZmJhYWRmZOhsZEKAEAi_MnEg</recordid><startdate>20141112</startdate><enddate>20141112</enddate><creator>GEUZEBROEK, FRANK HAIKO</creator><creator>ZHANG, XIAOHUI</creator><creator>KONIJN, GERRIT</creator><scope>EVB</scope></search><sort><creationdate>20141112</creationdate><title>PROCESS FOR REMOVING CARBON DIOXIDE FROM A GAS STREAM</title><author>GEUZEBROEK, FRANK HAIKO ; 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(b) withdrawing at least part of the gas stream with the reduced carbon dioxide content; (c) withdrawing at least part of the carbon dioxide-containing absorption solvent obtained in step (a) and heat it to obtain a mixture comprising a gas phase, an aqueous liquid phase and a non-aqueous liquid phase, wherein carbon dioxide is predominantly present in the gas phase; (d) introducing at least part of the mixture obtained in step (c) into a gas lift reactor to further release carbon dioxide absorbed in the aqueous liquid phase and the non aqueous liquid phase, whereby the gas phase establishes circulation and mixing of the aqueous liquid phase and the non-aqueous liquid phase between a lower section of the gas lift reactor and an upper section of the gas lift reactor; (e) withdrawing a gas stream comprising carbon dioxide from the gas lift reactor; (f) withdrawing a mixture of the aqueous liquid phase and the non-aqueous liquid phase from the gas lift reactor, which mixture has released carbon dioxide, and (g) cooling at least part of the mixture of the aqueous liquid phase and the non-aqueous liquid phase to obtain regenerated absorption solvent.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng ; fre ; ger |
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| subjects | CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSEGASES [GHG] GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING |
| title | PROCESS FOR REMOVING CARBON DIOXIDE FROM A GAS STREAM |
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