PROCESS FOR THE REMOVAL OF CARBON DIOXIDE FROM A GAS
A process for the removal of co2 from a gas comprising the steps of: (a) contacting the gas (1) in an absorber (2) with an aqueous solution of one or more carbonate compounds in the presence of an accelerator, thereby reacting at least part of the co2 to form a bicarbonate compound, under conditions...
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| creator | VAN STRAELEN, JIRI, PETER, THOMAS |
| description | A process for the removal of co2 from a gas comprising the steps of: (a) contacting the gas (1) in an absorber (2) with an aqueous solution of one or more carbonate compounds in the presence of an accelerator, thereby reacting at least part of the co2 to form a bicarbonate compound, under conditions such that at least a part of the bicarbonate compound formed precipitates, forming a bicarbonate slurry; (b) subjecting at least part of the bicarbonate slurry to a concentration step (5) to obtain an aqueous solution (6) and a concentrated bicarbonate slurry (7), wherein the concentrated bicarbonate slurry comprises from 20 to 80 wt % of bicarbonate compounds; (c) returning at least part of the aqueous solution to the absorber; (d) pressurising (8) the concentrated bicarbonate slurry, (e) transferring the pressurized concentrated bicarbonate slurry to a regenerator (12) and applying heat to obtain a co2-rich gas stream (13) and a regenerated carbonate stream (14). |
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(b) subjecting at least part of the bicarbonate slurry to a concentration step (5) to obtain an aqueous solution (6) and a concentrated bicarbonate slurry (7), wherein the concentrated bicarbonate slurry comprises from 20 to 80 wt % of bicarbonate compounds; (c) returning at least part of the aqueous solution to the absorber; (d) pressurising (8) the concentrated bicarbonate slurry, (e) transferring the pressurized concentrated bicarbonate slurry to a regenerator (12) and applying heat to obtain a co2-rich gas stream (13) and a regenerated carbonate stream (14).</description><language>eng ; fre ; ger</language><subject>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 ; 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(b) subjecting at least part of the bicarbonate slurry to a concentration step (5) to obtain an aqueous solution (6) and a concentrated bicarbonate slurry (7), wherein the concentrated bicarbonate slurry comprises from 20 to 80 wt % of bicarbonate compounds; (c) returning at least part of the aqueous solution to the absorber; (d) pressurising (8) the concentrated bicarbonate slurry, (e) transferring the pressurized concentrated bicarbonate slurry to a regenerator (12) and applying heat to obtain a co2-rich gas stream (13) and a regenerated carbonate stream (14).</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>2011</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZDAJCPJ3dg0OVnDzD1II8XBVCHL19Q9z9FHwd1Nwdgxy8vdTcPH0j_B0cVVwC_L3VXBUcHcM5mFgTUvMKU7lhdLcDApuriHOHrqpBfnxqcUFicmpeakl8a4BRkaWxhZmRo6GxkQoAQBI7yaA</recordid><startdate>20110316</startdate><enddate>20110316</enddate><creator>VAN STRAELEN, JIRI, PETER, THOMAS</creator><scope>EVB</scope></search><sort><creationdate>20110316</creationdate><title>PROCESS FOR THE REMOVAL OF CARBON DIOXIDE FROM A GAS</title><author>VAN STRAELEN, JIRI, PETER, THOMAS</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_EP2293862A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; 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(b) subjecting at least part of the bicarbonate slurry to a concentration step (5) to obtain an aqueous solution (6) and a concentrated bicarbonate slurry (7), wherein the concentrated bicarbonate slurry comprises from 20 to 80 wt % of bicarbonate compounds; (c) returning at least part of the aqueous solution to the absorber; (d) pressurising (8) the concentrated bicarbonate slurry, (e) transferring the pressurized concentrated bicarbonate slurry to a regenerator (12) and applying heat to obtain a co2-rich gas stream (13) and a regenerated carbonate stream (14).</abstract><oa>free_for_read</oa></addata></record> |
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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 THE REMOVAL OF CARBON DIOXIDE FROM A GAS |
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