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National Chung Hsing University Institutional Repository - NCHUIR > 工學院 > 環境工程學系所 > 依資料類型分類 > 期刊論文 >  Comparative study of CO2 capture by carbon nanotubes, activated carbons, and zeolites

Please use this identifier to cite or link to this item: http://nchuir.lib.nchu.edu.tw/handle/309270000/135842

標題: Comparative study of CO2 capture by carbon nanotubes, activated carbons, and zeolites
作者: Lu, C.Y.;Bai, H.L.;Wu, B.L.;Su, F.S.;Fen-Hwang, J.
關鍵字: mesoporous molecular-sieve;greenhouse-gas;adsorption;mcm-41;separation;sba-15;adsorbents;sorbents;removal;dioxide
日期: 2008
Issue Date: 2012-12-14 12:29:05 (UTC+8)
關連: Energy & Fuels, Volume 22, Issue 5, Page(s) 3050-3056.
摘要: Carbon nanotubes (CNTs), granular activated carbon (GAC), and zeolites were modified by 3-aminopropyltriethoxysilane (APTS) and were selected as adsorbents to study their physicochemical properties and adsorption behaviors Of CO2 from gas streams. The surface nature of these adsorbents was changed after the modification, which make them adsorb more CO2 gases. Under the same conditions, the modified CNTs possess the greatest adsorption capacity of CO2 followed by the modified zeolites and then the modified GAC. The mechanism of CO, adsorption on these adsorbents appears mainly attributable to physical force, which makes, regeneration of spent adsorbents at a relatively low temperature become feasible. The APTS-modified CNTs show good performance Of CO2 adsorption as compared to many types of modified carbon and silica adsorbents reported in the literature. This suooests that the APTS-modified CNTs are efficient CO2 adsorbents and that they possess potential applications for CO2 capture from gas streams.
Relation: Energy & Fuels
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[依資料類型分類] 期刊論文
[依教師分類] 盧重興

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