Utilization of cationic microporous metal-organic framework for efficient Xe/Kr separation
The separation of xenon/krypton (Xe/Kr) mixtures plays a vital role in the industrial process of manufacturing high-purity xenon. Compared with energy-intensive cryogenic distillation, porous materials based on physical adsorption are very promising in the low-cost and energy-saving separation proce...
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| Veröffentlicht in: | Nano research 2022-08, Vol.15 (8), p.7559-7564 |
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| creator | Gong, Lingshan Liu, Ying Ren, Junyu Al-Enizi, Abdullah M. Nafady, Ayman Ye, Yingxiang Bao, Zongbi Ma, Shengqian |
| description | The separation of xenon/krypton (Xe/Kr) mixtures plays a vital role in the industrial process of manufacturing high-purity xenon. Compared with energy-intensive cryogenic distillation, porous materials based on physical adsorption are very promising in the low-cost and energy-saving separation processes. Herein, we show that a cationic metal-organic framework (named as FJU-55) exhibits highly efficient Xe/Kr separation performance, which can be attributable to its uniform three-dimensional (3D) interconnection channels and the electro-positive features as the host framework. Moreover, FJU-55 demonstrates good Xe adsorption capacity of 1.41 mmol/g and excellent Xe/Kr selectivity of 10 (298 K and 100 kPa), together with a high
Q
st
value of 39.4 kJ/mol at low coverage area. The superior Xe/Kr separation performance of FJU-55 was further confirmed by the dynamic breakthrough experiments. Results obtained via molecular modeling studies have revealed that the suitable pore size and abundant accessible aromatic ligands in FJU-55 could offer strong multiple C-H⋯Xe interactions, which play a collaborative role in this challenging gas separation task. |
| doi_str_mv | 10.1007/s12274-022-4383-6 |
| format | Article |
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Q
st
value of 39.4 kJ/mol at low coverage area. The superior Xe/Kr separation performance of FJU-55 was further confirmed by the dynamic breakthrough experiments. Results obtained via molecular modeling studies have revealed that the suitable pore size and abundant accessible aromatic ligands in FJU-55 could offer strong multiple C-H⋯Xe interactions, which play a collaborative role in this challenging gas separation task.</description><identifier>ISSN: 1998-0124</identifier><identifier>EISSN: 1998-0000</identifier><identifier>DOI: 10.1007/s12274-022-4383-6</identifier><language>eng</language><publisher>Beijing: Tsinghua University Press</publisher><subject>Adsorption ; Atomic/Molecular Structure and Spectra ; Biomedicine ; Biotechnology ; Cations ; Chemistry and Materials Science ; Condensed Matter Physics ; Distillation ; Energy conservation ; Gas separation ; Krypton ; Materials Science ; Metal-organic frameworks ; Molecular modelling ; Nanotechnology ; Pore size ; Porous materials ; Research Article ; Selectivity ; Separation processes ; Xenon</subject><ispartof>Nano research, 2022-08, Vol.15 (8), p.7559-7564</ispartof><rights>Tsinghua University Press 2022</rights><rights>Tsinghua University Press 2022.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c246t-5fe13008ec39761531b0cd7372f812abf0767b9add82922fcdf52de135c56253</citedby><cites>FETCH-LOGICAL-c246t-5fe13008ec39761531b0cd7372f812abf0767b9add82922fcdf52de135c56253</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12274-022-4383-6$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12274-022-4383-6$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Gong, Lingshan</creatorcontrib><creatorcontrib>Liu, Ying</creatorcontrib><creatorcontrib>Ren, Junyu</creatorcontrib><creatorcontrib>Al-Enizi, Abdullah M.</creatorcontrib><creatorcontrib>Nafady, Ayman</creatorcontrib><creatorcontrib>Ye, Yingxiang</creatorcontrib><creatorcontrib>Bao, Zongbi</creatorcontrib><creatorcontrib>Ma, Shengqian</creatorcontrib><title>Utilization of cationic microporous metal-organic framework for efficient Xe/Kr separation</title><title>Nano research</title><addtitle>Nano Res</addtitle><description>The separation of xenon/krypton (Xe/Kr) mixtures plays a vital role in the industrial process of manufacturing high-purity xenon. Compared with energy-intensive cryogenic distillation, porous materials based on physical adsorption are very promising in the low-cost and energy-saving separation processes. Herein, we show that a cationic metal-organic framework (named as FJU-55) exhibits highly efficient Xe/Kr separation performance, which can be attributable to its uniform three-dimensional (3D) interconnection channels and the electro-positive features as the host framework. Moreover, FJU-55 demonstrates good Xe adsorption capacity of 1.41 mmol/g and excellent Xe/Kr selectivity of 10 (298 K and 100 kPa), together with a high
Q
st
value of 39.4 kJ/mol at low coverage area. The superior Xe/Kr separation performance of FJU-55 was further confirmed by the dynamic breakthrough experiments. Results obtained via molecular modeling studies have revealed that the suitable pore size and abundant accessible aromatic ligands in FJU-55 could offer strong multiple C-H⋯Xe interactions, which play a collaborative role in this challenging gas separation task.</description><subject>Adsorption</subject><subject>Atomic/Molecular Structure and Spectra</subject><subject>Biomedicine</subject><subject>Biotechnology</subject><subject>Cations</subject><subject>Chemistry and Materials Science</subject><subject>Condensed Matter Physics</subject><subject>Distillation</subject><subject>Energy conservation</subject><subject>Gas separation</subject><subject>Krypton</subject><subject>Materials Science</subject><subject>Metal-organic frameworks</subject><subject>Molecular modelling</subject><subject>Nanotechnology</subject><subject>Pore size</subject><subject>Porous materials</subject><subject>Research Article</subject><subject>Selectivity</subject><subject>Separation 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Res</stitle><date>2022-08-01</date><risdate>2022</risdate><volume>15</volume><issue>8</issue><spage>7559</spage><epage>7564</epage><pages>7559-7564</pages><issn>1998-0124</issn><eissn>1998-0000</eissn><abstract>The separation of xenon/krypton (Xe/Kr) mixtures plays a vital role in the industrial process of manufacturing high-purity xenon. Compared with energy-intensive cryogenic distillation, porous materials based on physical adsorption are very promising in the low-cost and energy-saving separation processes. Herein, we show that a cationic metal-organic framework (named as FJU-55) exhibits highly efficient Xe/Kr separation performance, which can be attributable to its uniform three-dimensional (3D) interconnection channels and the electro-positive features as the host framework. Moreover, FJU-55 demonstrates good Xe adsorption capacity of 1.41 mmol/g and excellent Xe/Kr selectivity of 10 (298 K and 100 kPa), together with a high
Q
st
value of 39.4 kJ/mol at low coverage area. The superior Xe/Kr separation performance of FJU-55 was further confirmed by the dynamic breakthrough experiments. Results obtained via molecular modeling studies have revealed that the suitable pore size and abundant accessible aromatic ligands in FJU-55 could offer strong multiple C-H⋯Xe interactions, which play a collaborative role in this challenging gas separation task.</abstract><cop>Beijing</cop><pub>Tsinghua University Press</pub><doi>10.1007/s12274-022-4383-6</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 1998-0124 |
| ispartof | Nano research, 2022-08, Vol.15 (8), p.7559-7564 |
| issn | 1998-0124 1998-0000 |
| language | eng |
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| subjects | Adsorption Atomic/Molecular Structure and Spectra Biomedicine Biotechnology Cations Chemistry and Materials Science Condensed Matter Physics Distillation Energy conservation Gas separation Krypton Materials Science Metal-organic frameworks Molecular modelling Nanotechnology Pore size Porous materials Research Article Selectivity Separation processes Xenon |
| title | Utilization of cationic microporous metal-organic framework for efficient Xe/Kr separation |
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