Ultra-thin enzymatic liquid membrane for CO 2 separation and capture
Here, the limited flux and selectivities of current carbon dioxide membranes and the high costs associated with conventional absorption-based CO 2 sequestration call for alternative CO 2 separation approaches. Here we describe an enzymatically active, ultra-thin, biomimetic membrane enabling CO 2 ca...
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Online Access: | http://www.osti.gov/servlets/purl/1481789 https://www.osti.gov/biblio/1481789 https://doi.org/10.1038/s41467-018-03285-x |
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ftosti:oai:osti.gov:1481789 2023-07-30T04:02:55+02:00 Ultra-thin enzymatic liquid membrane for CO 2 separation and capture Fu, Yaqin Jiang, Ying -Bing Dunphy, Darren Xiong, Haifeng Coker, Eric Chou, Stanley S. Zhang, Hongxia Vanegas, Juan M. Croissant, Jonas G. Cecchi, Joseph L. Rempe, Susan B. Brinker, C. Jeffrey 2023-06-28 application/pdf http://www.osti.gov/servlets/purl/1481789 https://www.osti.gov/biblio/1481789 https://doi.org/10.1038/s41467-018-03285-x unknown http://www.osti.gov/servlets/purl/1481789 https://www.osti.gov/biblio/1481789 https://doi.org/10.1038/s41467-018-03285-x doi:10.1038/s41467-018-03285-x 42 ENGINEERING 2023 ftosti https://doi.org/10.1038/s41467-018-03285-x 2023-07-11T09:30:03Z Here, the limited flux and selectivities of current carbon dioxide membranes and the high costs associated with conventional absorption-based CO 2 sequestration call for alternative CO 2 separation approaches. Here we describe an enzymatically active, ultra-thin, biomimetic membrane enabling CO 2 capture and separation under ambient pressure and temperature conditions. The membrane comprises a ~18-nm-thick close-packed array of 8 nm diameter hydrophilic pores that stabilize water by capillary condensation and precisely accommodate the metalloenzyme carbonic anhydrase (CA). CA catalyzes the rapid interconversion of CO 2 and water into carbonic acid. By minimizing diffusional constraints, stabilizing and concentrating CA within the nanopore array to a concentration 10× greater than achievable in solution, our enzymatic liquid membrane separates CO 2 at room temperature and atmospheric pressure at a rate of 2600 GPU with CO 2 /N 2 and CO 2 /H 2 selectivities as high as 788 and 1500, respectively, the highest combined flux and selectivity yet reported for ambient condition operation. Other/Unknown Material Carbonic acid SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) Nature Communications 9 1 |
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SciTec Connect (Office of Scientific and Technical Information - OSTI, U.S. Department of Energy) |
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42 ENGINEERING |
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42 ENGINEERING Fu, Yaqin Jiang, Ying -Bing Dunphy, Darren Xiong, Haifeng Coker, Eric Chou, Stanley S. Zhang, Hongxia Vanegas, Juan M. Croissant, Jonas G. Cecchi, Joseph L. Rempe, Susan B. Brinker, C. Jeffrey Ultra-thin enzymatic liquid membrane for CO 2 separation and capture |
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42 ENGINEERING |
description |
Here, the limited flux and selectivities of current carbon dioxide membranes and the high costs associated with conventional absorption-based CO 2 sequestration call for alternative CO 2 separation approaches. Here we describe an enzymatically active, ultra-thin, biomimetic membrane enabling CO 2 capture and separation under ambient pressure and temperature conditions. The membrane comprises a ~18-nm-thick close-packed array of 8 nm diameter hydrophilic pores that stabilize water by capillary condensation and precisely accommodate the metalloenzyme carbonic anhydrase (CA). CA catalyzes the rapid interconversion of CO 2 and water into carbonic acid. By minimizing diffusional constraints, stabilizing and concentrating CA within the nanopore array to a concentration 10× greater than achievable in solution, our enzymatic liquid membrane separates CO 2 at room temperature and atmospheric pressure at a rate of 2600 GPU with CO 2 /N 2 and CO 2 /H 2 selectivities as high as 788 and 1500, respectively, the highest combined flux and selectivity yet reported for ambient condition operation. |
author |
Fu, Yaqin Jiang, Ying -Bing Dunphy, Darren Xiong, Haifeng Coker, Eric Chou, Stanley S. Zhang, Hongxia Vanegas, Juan M. Croissant, Jonas G. Cecchi, Joseph L. Rempe, Susan B. Brinker, C. Jeffrey |
author_facet |
Fu, Yaqin Jiang, Ying -Bing Dunphy, Darren Xiong, Haifeng Coker, Eric Chou, Stanley S. Zhang, Hongxia Vanegas, Juan M. Croissant, Jonas G. Cecchi, Joseph L. Rempe, Susan B. Brinker, C. Jeffrey |
author_sort |
Fu, Yaqin |
title |
Ultra-thin enzymatic liquid membrane for CO 2 separation and capture |
title_short |
Ultra-thin enzymatic liquid membrane for CO 2 separation and capture |
title_full |
Ultra-thin enzymatic liquid membrane for CO 2 separation and capture |
title_fullStr |
Ultra-thin enzymatic liquid membrane for CO 2 separation and capture |
title_full_unstemmed |
Ultra-thin enzymatic liquid membrane for CO 2 separation and capture |
title_sort |
ultra-thin enzymatic liquid membrane for co 2 separation and capture |
publishDate |
2023 |
url |
http://www.osti.gov/servlets/purl/1481789 https://www.osti.gov/biblio/1481789 https://doi.org/10.1038/s41467-018-03285-x |
genre |
Carbonic acid |
genre_facet |
Carbonic acid |
op_relation |
http://www.osti.gov/servlets/purl/1481789 https://www.osti.gov/biblio/1481789 https://doi.org/10.1038/s41467-018-03285-x doi:10.1038/s41467-018-03285-x |
op_doi |
https://doi.org/10.1038/s41467-018-03285-x |
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Nature Communications |
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9 |
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1 |
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1772813801191636992 |