Method for improving carbon dioxide recovery rate and purity by solution recycling and regeneration
The invention relates to a method for improving carbon dioxide recovery rate and purity by solution recycling and regeneration. In the low-pressure methanol wash process, lean methanol firstly absorbs CO2 through a CO2 absorption tower, and methanol solution rich in the CO2 is regenerated. On one ha...
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| creator | WANG GUI ZHOU ENLI SHANG SHUJUAN DIAO XIUHUI GUAN JIE WU XIANGNAN LI XIAO WANG QIAOYI LI GANG ZHANG QIYU SHI JIANMIN ZHANG FENGJUAN |
| description | The invention relates to a method for improving carbon dioxide recovery rate and purity by solution recycling and regeneration. In the low-pressure methanol wash process, lean methanol firstly absorbs CO2 through a CO2 absorption tower, and methanol solution rich in the CO2 is regenerated. On one hand, the CO2 absorbed and dissolved by the methanol solution is desorbed to obtain high-purity CO2 product gas (CO2 mole fraction >=99%, maximally reaching 99.9%). On the other hand, semi-lean methanol solution (CO2 mole fraction |
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| fullrecord | <record><control><sourceid>epo_EVB</sourceid><recordid>TN_cdi_epo_espacenet_CN106147883A</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>CN106147883A</sourcerecordid><originalsourceid>FETCH-epo_espacenet_CN106147883A3</originalsourceid><addsrcrecordid>eNqNy0EKwjAQheFuXIh6h_EAgqWi3UpR3OjKfUmTaR2ImTBJi7m9KXgAV2_xf29Z6DvGFxvoWYDeXngiN4BW0rEDQ_whgyCoeUJJICoiKGfAj0IxQZcgsB0jZZxR0nZ-z0BwQIfZ57QuFr2yATe_XRXb6-XZ3HboucXglc40ts2j3B_Lw6muq3P1j_kC5KI_HQ</addsrcrecordid><sourcetype>Open Access Repository</sourcetype><iscdi>true</iscdi><recordtype>patent</recordtype></control><display><type>patent</type><title>Method for improving carbon dioxide recovery rate and purity by solution recycling and regeneration</title><source>esp@cenet</source><creator>WANG GUI ; ZHOU ENLI ; SHANG SHUJUAN ; DIAO XIUHUI ; GUAN JIE ; WU XIANGNAN ; LI XIAO ; WANG QIAOYI ; LI GANG ; ZHANG QIYU ; SHI JIANMIN ; ZHANG FENGJUAN</creator><creatorcontrib>WANG GUI ; ZHOU ENLI ; SHANG SHUJUAN ; DIAO XIUHUI ; GUAN JIE ; WU XIANGNAN ; LI XIAO ; WANG QIAOYI ; LI GANG ; ZHANG QIYU ; SHI JIANMIN ; ZHANG FENGJUAN</creatorcontrib><description>The invention relates to a method for improving carbon dioxide recovery rate and purity by solution recycling and regeneration. In the low-pressure methanol wash process, lean methanol firstly absorbs CO2 through a CO2 absorption tower, and methanol solution rich in the CO2 is regenerated. On one hand, the CO2 absorbed and dissolved by the methanol solution is desorbed to obtain high-purity CO2 product gas (CO2 mole fraction >=99%, maximally reaching 99.9%). On the other hand, semi-lean methanol solution (CO2 mole fraction<=8%) with low CO2 content is obtained, the desorbed semi-lean methanol solution is conveyed to the middle of the CO2 absorption tower through a pump and recycled, and the high-purity CO2 product gas is concentrated to other sections according to process requirements.
本发明涉及种溶液循环再生提高二氧化碳回收率与纯度的方法，在低温甲醇洗过程中，贫甲醇首先经过CO吸收塔吸收CO，富含CO的甲醇溶液通过本发明专利的再生措施后，方面将其吸收溶解的CO解吸出来，获得纯度高的CO产品气(CO摩尔分数≥99％，最高可达99.9％)，另方面获得含CO量较低的半贫甲醇溶液(CO摩尔分数≤8％)，解吸后的半贫溶液经泵输送至二氧化碳吸收塔中部，进行循环利用，高纯度CO产品气则根据工艺的要求压缩至其它工段。</description><language>chi ; eng</language><subject>CHEMISTRY ; FUELS ; LUBRICANTS ; METALLURGY ; PEAT ; PETROLEUM, GAS OR COKE INDUSTRIES ; PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLEGASES CONTAINING CARBON MONOXIDE ; TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><creationdate>2016</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161123&DB=EPODOC&CC=CN&NR=106147883A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20161123&DB=EPODOC&CC=CN&NR=106147883A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>WANG GUI</creatorcontrib><creatorcontrib>ZHOU ENLI</creatorcontrib><creatorcontrib>SHANG SHUJUAN</creatorcontrib><creatorcontrib>DIAO XIUHUI</creatorcontrib><creatorcontrib>GUAN JIE</creatorcontrib><creatorcontrib>WU XIANGNAN</creatorcontrib><creatorcontrib>LI XIAO</creatorcontrib><creatorcontrib>WANG QIAOYI</creatorcontrib><creatorcontrib>LI GANG</creatorcontrib><creatorcontrib>ZHANG QIYU</creatorcontrib><creatorcontrib>SHI JIANMIN</creatorcontrib><creatorcontrib>ZHANG FENGJUAN</creatorcontrib><title>Method for improving carbon dioxide recovery rate and purity by solution recycling and regeneration</title><description>The invention relates to a method for improving carbon dioxide recovery rate and purity by solution recycling and regeneration. In the low-pressure methanol wash process, lean methanol firstly absorbs CO2 through a CO2 absorption tower, and methanol solution rich in the CO2 is regenerated. On one hand, the CO2 absorbed and dissolved by the methanol solution is desorbed to obtain high-purity CO2 product gas (CO2 mole fraction >=99%, maximally reaching 99.9%). On the other hand, semi-lean methanol solution (CO2 mole fraction<=8%) with low CO2 content is obtained, the desorbed semi-lean methanol solution is conveyed to the middle of the CO2 absorption tower through a pump and recycled, and the high-purity CO2 product gas is concentrated to other sections according to process requirements.
本发明涉及种溶液循环再生提高二氧化碳回收率与纯度的方法，在低温甲醇洗过程中，贫甲醇首先经过CO吸收塔吸收CO，富含CO的甲醇溶液通过本发明专利的再生措施后，方面将其吸收溶解的CO解吸出来，获得纯度高的CO产品气(CO摩尔分数≥99％，最高可达99.9％)，另方面获得含CO量较低的半贫甲醇溶液(CO摩尔分数≤8％)，解吸后的半贫溶液经泵输送至二氧化碳吸收塔中部，进行循环利用，高纯度CO产品气则根据工艺的要求压缩至其它工段。</description><subject>CHEMISTRY</subject><subject>FUELS</subject><subject>LUBRICANTS</subject><subject>METALLURGY</subject><subject>PEAT</subject><subject>PETROLEUM, GAS OR COKE INDUSTRIES</subject><subject>PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLEGASES CONTAINING CARBON MONOXIDE</subject><subject>TECHNICAL GASES CONTAINING CARBON MONOXIDE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2016</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNy0EKwjAQheFuXIh6h_EAgqWi3UpR3OjKfUmTaR2ImTBJi7m9KXgAV2_xf29Z6DvGFxvoWYDeXngiN4BW0rEDQ_whgyCoeUJJICoiKGfAj0IxQZcgsB0jZZxR0nZ-z0BwQIfZ57QuFr2yATe_XRXb6-XZ3HboucXglc40ts2j3B_Lw6muq3P1j_kC5KI_HQ</recordid><startdate>20161123</startdate><enddate>20161123</enddate><creator>WANG GUI</creator><creator>ZHOU ENLI</creator><creator>SHANG SHUJUAN</creator><creator>DIAO XIUHUI</creator><creator>GUAN JIE</creator><creator>WU XIANGNAN</creator><creator>LI XIAO</creator><creator>WANG QIAOYI</creator><creator>LI GANG</creator><creator>ZHANG QIYU</creator><creator>SHI JIANMIN</creator><creator>ZHANG FENGJUAN</creator><scope>EVB</scope></search><sort><creationdate>20161123</creationdate><title>Method for improving carbon dioxide recovery rate and purity by solution recycling and regeneration</title><author>WANG GUI ; ZHOU ENLI ; SHANG SHUJUAN ; DIAO XIUHUI ; GUAN JIE ; WU XIANGNAN ; LI XIAO ; WANG QIAOYI ; LI GANG ; ZHANG QIYU ; SHI JIANMIN ; ZHANG FENGJUAN</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN106147883A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>chi ; eng</language><creationdate>2016</creationdate><topic>CHEMISTRY</topic><topic>FUELS</topic><topic>LUBRICANTS</topic><topic>METALLURGY</topic><topic>PEAT</topic><topic>PETROLEUM, GAS OR COKE INDUSTRIES</topic><topic>PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLEGASES CONTAINING CARBON MONOXIDE</topic><topic>TECHNICAL GASES CONTAINING CARBON MONOXIDE</topic><toplevel>online_resources</toplevel><creatorcontrib>WANG GUI</creatorcontrib><creatorcontrib>ZHOU ENLI</creatorcontrib><creatorcontrib>SHANG SHUJUAN</creatorcontrib><creatorcontrib>DIAO XIUHUI</creatorcontrib><creatorcontrib>GUAN JIE</creatorcontrib><creatorcontrib>WU XIANGNAN</creatorcontrib><creatorcontrib>LI XIAO</creatorcontrib><creatorcontrib>WANG QIAOYI</creatorcontrib><creatorcontrib>LI GANG</creatorcontrib><creatorcontrib>ZHANG QIYU</creatorcontrib><creatorcontrib>SHI JIANMIN</creatorcontrib><creatorcontrib>ZHANG FENGJUAN</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WANG GUI</au><au>ZHOU ENLI</au><au>SHANG SHUJUAN</au><au>DIAO XIUHUI</au><au>GUAN JIE</au><au>WU XIANGNAN</au><au>LI XIAO</au><au>WANG QIAOYI</au><au>LI GANG</au><au>ZHANG QIYU</au><au>SHI JIANMIN</au><au>ZHANG FENGJUAN</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Method for improving carbon dioxide recovery rate and purity by solution recycling and regeneration</title><date>2016-11-23</date><risdate>2016</risdate><abstract>The invention relates to a method for improving carbon dioxide recovery rate and purity by solution recycling and regeneration. In the low-pressure methanol wash process, lean methanol firstly absorbs CO2 through a CO2 absorption tower, and methanol solution rich in the CO2 is regenerated. On one hand, the CO2 absorbed and dissolved by the methanol solution is desorbed to obtain high-purity CO2 product gas (CO2 mole fraction >=99%, maximally reaching 99.9%). On the other hand, semi-lean methanol solution (CO2 mole fraction<=8%) with low CO2 content is obtained, the desorbed semi-lean methanol solution is conveyed to the middle of the CO2 absorption tower through a pump and recycled, and the high-purity CO2 product gas is concentrated to other sections according to process requirements.
本发明涉及种溶液循环再生提高二氧化碳回收率与纯度的方法，在低温甲醇洗过程中，贫甲醇首先经过CO吸收塔吸收CO，富含CO的甲醇溶液通过本发明专利的再生措施后，方面将其吸收溶解的CO解吸出来，获得纯度高的CO产品气(CO摩尔分数≥99％，最高可达99.9％)，另方面获得含CO量较低的半贫甲醇溶液(CO摩尔分数≤8％)，解吸后的半贫溶液经泵输送至二氧化碳吸收塔中部，进行循环利用，高纯度CO产品气则根据工艺的要求压缩至其它工段。</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY FUELS LUBRICANTS METALLURGY PEAT PETROLEUM, GAS OR COKE INDUSTRIES PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLEGASES CONTAINING CARBON MONOXIDE TECHNICAL GASES CONTAINING CARBON MONOXIDE |
| title | Method for improving carbon dioxide recovery rate and purity by solution recycling and regeneration |
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