DC Field | Value | Language |
---|---|---|
dc.contributor.author | Choi, Woosung | ko |
dc.contributor.author | Min, Kyungmin | ko |
dc.contributor.author | Kim, Chaehoon | ko |
dc.contributor.author | Ko, Young Soo | ko |
dc.contributor.author | Jeon, JaeWan | ko |
dc.contributor.author | Seo, Hwimin | ko |
dc.contributor.author | Park, Yong-Ki | ko |
dc.contributor.author | Choi, Minkee | ko |
dc.date.accessioned | 2016-11-09T08:27:25Z | - |
dc.date.available | 2022-06-02T21:00:53Z | - |
dc.date.created | 2016-10-31 | - |
dc.date.created | 2016-10-31 | - |
dc.date.issued | 2016-08 | - |
dc.identifier.citation | NATURE COMMUNICATIONS, v.7 | - |
dc.identifier.issn | 2041-1723 | - |
dc.identifier.uri | http://hdl.handle.net/10203/214004 | - |
dc.description.abstract | Amine-containing adsorbents have been extensively investigated for post-combustion carbon dioxide capture due to their ability to chemisorb low-concentration carbon dioxide from a wet flue gas. However, earlier studies have focused primarily on the carbon dioxide uptake of adsorbents, and have not demonstrated effective adsorbent regeneration and long-term stability under such conditions. Here, we report the versatile and scalable synthesis of a functionalized-polyethyleneimine (PEI)/silica adsorbent which simultaneously exhibits a large working capacity (2.2 mmol g(-1)) and long-term stability in a practical temperature swing adsorption process (regeneration under 100% carbon dioxide at 120 degrees C), enabling the separation of concentrated carbon dioxide. We demonstrate that the functionalization of PEI with 1,2-epoxybutane reduces the heat of adsorption and facilitates carbon dioxide desorption (499%) during regeneration compared with unmodified PEI (76%). Moreover, the functionalization significantly improves long-term adsorbent stability over repeated temperature swing adsorption cycles due to the suppression of urea formation and oxidative amine degradation | - |
dc.language | English | - |
dc.publisher | NATURE PUBLISHING GROUP | - |
dc.title | Epoxide-functionalization of polyethyleneimine for synthesis of stable carbon dioxide adsorbent in temperature swing adsorption | - |
dc.type | Article | - |
dc.identifier.wosid | 000384687600001 | - |
dc.identifier.scopusid | 2-s2.0-84984920645 | - |
dc.type.rims | ART | - |
dc.citation.volume | 7 | - |
dc.citation.publicationname | NATURE COMMUNICATIONS | - |
dc.identifier.doi | 10.1038/ncomms12640 | - |
dc.embargo.terms | 2017-04-02 | - |
dc.contributor.localauthor | Choi, Minkee | - |
dc.contributor.nonIdAuthor | Choi, Woosung | - |
dc.contributor.nonIdAuthor | Kim, Chaehoon | - |
dc.contributor.nonIdAuthor | Ko, Young Soo | - |
dc.contributor.nonIdAuthor | Jeon, JaeWan | - |
dc.contributor.nonIdAuthor | Seo, Hwimin | - |
dc.contributor.nonIdAuthor | Park, Yong-Ki | - |
dc.description.isOpenAccess | Y | - |
dc.type.journalArticle | Article | - |
dc.subject.keywordPlus | METAL-ORGANIC FRAMEWORKS | - |
dc.subject.keywordPlus | MESOPOROUS MOLECULAR-SIEVE | - |
dc.subject.keywordPlus | CO2 CAPTURE | - |
dc.subject.keywordPlus | FLUE-GAS | - |
dc.subject.keywordPlus | CO2-INDUCED DEGRADATION | - |
dc.subject.keywordPlus | HIGH-CAPACITY | - |
dc.subject.keywordPlus | AMBIENT AIR | - |
dc.subject.keywordPlus | SILICA | - |
dc.subject.keywordPlus | AMINES | - |
dc.subject.keywordPlus | SORBENTS | - |
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