Performance and pressure drop of CO 2 absorption into task‐specific and halide‐free ionic liquids in a microchannel
The gas–liquid two‐phase flow pattern, absorption rate and pressure drop of CO 2 absorbed into the aqueous solution of the task‐specific ionic liquids (1‐aminopropyl‐3‐methylimidazole tetrafluoroborate [Apmim][BF 4 ] and 1‐hydroxyethyl‐3‐methylimidazole tetrafluoroborate [OHemim][BF 4 ]) and halide‐...
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| Veröffentlicht in: | AIChE journal 2022-06, Vol.68 (6) |
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| creator | Ma, Daofan Zhu, Chunying Fu, Taotao Ma, Youguang Yuan, Xigang |
| description | The gas–liquid two‐phase flow pattern, absorption rate and pressure drop of CO
2
absorbed into the aqueous solution of the task‐specific ionic liquids (1‐aminopropyl‐3‐methylimidazole tetrafluoroborate [Apmim][BF
4
] and 1‐hydroxyethyl‐3‐methylimidazole tetrafluoroborate [OHemim][BF
4
]) and halide‐free ionic liquid 1‐butyl‐3‐methylimidazolium methylsulfate [Bmim][CH
3
SO
4
] were investigated in a microreactor. The absorption mechanism of the three ionic liquids was analyzed employing the
13
C NMR spectroscopy. The [Apmim][BF
4
] was found to have the best ability of CO
2
capture compared with the other two ionic liquids, as chemical absorption occurred between [Apmim][BF
4
] and CO
2
, while only physical absorption took place between [OHemim][BF
4
]/[Bmim][CH
3
SO
4
] and CO
2
. The sequence of CO
2
absorption rate in three ionic liquids aqueous solutions is: [Apmim][BF
4
] > [Bmim][CH
3
SO
4
] > [OHemim][BF
4
]. Furthermore, the effects of gas–liquid flow rate and ionic liquids concentration on CO
2
absorption rate and pressure drop were studied, the pressure drop models based on various flow patterns were proposed. |
| doi_str_mv | 10.1002/aic.17613 |
| format | Article |
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2
absorbed into the aqueous solution of the task‐specific ionic liquids (1‐aminopropyl‐3‐methylimidazole tetrafluoroborate [Apmim][BF
4
] and 1‐hydroxyethyl‐3‐methylimidazole tetrafluoroborate [OHemim][BF
4
]) and halide‐free ionic liquid 1‐butyl‐3‐methylimidazolium methylsulfate [Bmim][CH
3
SO
4
] were investigated in a microreactor. The absorption mechanism of the three ionic liquids was analyzed employing the
13
C NMR spectroscopy. The [Apmim][BF
4
] was found to have the best ability of CO
2
capture compared with the other two ionic liquids, as chemical absorption occurred between [Apmim][BF
4
] and CO
2
, while only physical absorption took place between [OHemim][BF
4
]/[Bmim][CH
3
SO
4
] and CO
2
. The sequence of CO
2
absorption rate in three ionic liquids aqueous solutions is: [Apmim][BF
4
] > [Bmim][CH
3
SO
4
] > [OHemim][BF
4
]. Furthermore, the effects of gas–liquid flow rate and ionic liquids concentration on CO
2
absorption rate and pressure drop were studied, the pressure drop models based on various flow patterns were proposed.</description><identifier>ISSN: 0001-1541</identifier><identifier>EISSN: 1547-5905</identifier><identifier>DOI: 10.1002/aic.17613</identifier><language>eng</language><ispartof>AIChE journal, 2022-06, Vol.68 (6)</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c743-ed2402b5bd9fd65a767d6334f75390787ff8682864e64f05a862e49ab09973043</citedby><cites>FETCH-LOGICAL-c743-ed2402b5bd9fd65a767d6334f75390787ff8682864e64f05a862e49ab09973043</cites><orcidid>0000-0003-1881-1509 ; 0000-0002-3832-759X ; 0000-0002-3520-8392 ; 0000-0003-3684-0637</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Ma, Daofan</creatorcontrib><creatorcontrib>Zhu, Chunying</creatorcontrib><creatorcontrib>Fu, Taotao</creatorcontrib><creatorcontrib>Ma, Youguang</creatorcontrib><creatorcontrib>Yuan, Xigang</creatorcontrib><title>Performance and pressure drop of CO 2 absorption into task‐specific and halide‐free ionic liquids in a microchannel</title><title>AIChE journal</title><description>The gas–liquid two‐phase flow pattern, absorption rate and pressure drop of CO
2
absorbed into the aqueous solution of the task‐specific ionic liquids (1‐aminopropyl‐3‐methylimidazole tetrafluoroborate [Apmim][BF
4
] and 1‐hydroxyethyl‐3‐methylimidazole tetrafluoroborate [OHemim][BF
4
]) and halide‐free ionic liquid 1‐butyl‐3‐methylimidazolium methylsulfate [Bmim][CH
3
SO
4
] were investigated in a microreactor. The absorption mechanism of the three ionic liquids was analyzed employing the
13
C NMR spectroscopy. The [Apmim][BF
4
] was found to have the best ability of CO
2
capture compared with the other two ionic liquids, as chemical absorption occurred between [Apmim][BF
4
] and CO
2
, while only physical absorption took place between [OHemim][BF
4
]/[Bmim][CH
3
SO
4
] and CO
2
. The sequence of CO
2
absorption rate in three ionic liquids aqueous solutions is: [Apmim][BF
4
] > [Bmim][CH
3
SO
4
] > [OHemim][BF
4
]. Furthermore, the effects of gas–liquid flow rate and ionic liquids concentration on CO
2
absorption rate and pressure drop were studied, the pressure drop models based on various flow patterns were proposed.</description><issn>0001-1541</issn><issn>1547-5905</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNotkE1OwzAQRi0EEqWw4Abeskjxv5MlqoAiVSqL7iPHHquGNA52KsSOI3BGToIprEbz9H0z0kPompIFJYTdmmAXVCvKT9CMSqEr2RB5imaEEFoVQM_RRc4vZWO6ZjP0_gzJx7Q3gwVsBofHBDkfEmCX4oijx8sNZth0OaZxCnHAYZginkx-_f78yiPY4IM9NnemDw4K9QkAl2jhfXg7BJdLCRu8DzZFuzPDAP0lOvOmz3D1P-do-3C_Xa6q9ebxaXm3rqwWvALHBGGd7FzjnZJGK-0U58JryRuia-19rWpWKwFKeCJNrRiIxnSkaTQngs_Rzd_Z8jnnBL4dU9ib9NFS0v4Ka4uw9iiM_wB1tWBu</recordid><startdate>202206</startdate><enddate>202206</enddate><creator>Ma, Daofan</creator><creator>Zhu, Chunying</creator><creator>Fu, Taotao</creator><creator>Ma, Youguang</creator><creator>Yuan, Xigang</creator><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0003-1881-1509</orcidid><orcidid>https://orcid.org/0000-0002-3832-759X</orcidid><orcidid>https://orcid.org/0000-0002-3520-8392</orcidid><orcidid>https://orcid.org/0000-0003-3684-0637</orcidid></search><sort><creationdate>202206</creationdate><title>Performance and pressure drop of CO 2 absorption into task‐specific and halide‐free ionic liquids in a microchannel</title><author>Ma, Daofan ; Zhu, Chunying ; Fu, Taotao ; Ma, Youguang ; Yuan, Xigang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c743-ed2402b5bd9fd65a767d6334f75390787ff8682864e64f05a862e49ab09973043</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ma, Daofan</creatorcontrib><creatorcontrib>Zhu, Chunying</creatorcontrib><creatorcontrib>Fu, Taotao</creatorcontrib><creatorcontrib>Ma, Youguang</creatorcontrib><creatorcontrib>Yuan, Xigang</creatorcontrib><collection>CrossRef</collection><jtitle>AIChE journal</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ma, Daofan</au><au>Zhu, Chunying</au><au>Fu, Taotao</au><au>Ma, Youguang</au><au>Yuan, Xigang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Performance and pressure drop of CO 2 absorption into task‐specific and halide‐free ionic liquids in a microchannel</atitle><jtitle>AIChE journal</jtitle><date>2022-06</date><risdate>2022</risdate><volume>68</volume><issue>6</issue><issn>0001-1541</issn><eissn>1547-5905</eissn><abstract>The gas–liquid two‐phase flow pattern, absorption rate and pressure drop of CO
2
absorbed into the aqueous solution of the task‐specific ionic liquids (1‐aminopropyl‐3‐methylimidazole tetrafluoroborate [Apmim][BF
4
] and 1‐hydroxyethyl‐3‐methylimidazole tetrafluoroborate [OHemim][BF
4
]) and halide‐free ionic liquid 1‐butyl‐3‐methylimidazolium methylsulfate [Bmim][CH
3
SO
4
] were investigated in a microreactor. The absorption mechanism of the three ionic liquids was analyzed employing the
13
C NMR spectroscopy. The [Apmim][BF
4
] was found to have the best ability of CO
2
capture compared with the other two ionic liquids, as chemical absorption occurred between [Apmim][BF
4
] and CO
2
, while only physical absorption took place between [OHemim][BF
4
]/[Bmim][CH
3
SO
4
] and CO
2
. The sequence of CO
2
absorption rate in three ionic liquids aqueous solutions is: [Apmim][BF
4
] > [Bmim][CH
3
SO
4
] > [OHemim][BF
4
]. Furthermore, the effects of gas–liquid flow rate and ionic liquids concentration on CO
2
absorption rate and pressure drop were studied, the pressure drop models based on various flow patterns were proposed.</abstract><doi>10.1002/aic.17613</doi><orcidid>https://orcid.org/0000-0003-1881-1509</orcidid><orcidid>https://orcid.org/0000-0002-3832-759X</orcidid><orcidid>https://orcid.org/0000-0002-3520-8392</orcidid><orcidid>https://orcid.org/0000-0003-3684-0637</orcidid></addata></record> |
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| issn | 0001-1541 1547-5905 |
| language | eng |
| recordid | cdi_crossref_primary_10_1002_aic_17613 |
| source | Wiley-Blackwell Journals |
| title | Performance and pressure drop of CO 2 absorption into task‐specific and halide‐free ionic liquids in a microchannel |
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