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Adsorption of CO2 on Amine-impregnated Mesorporous Silica
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 Title & Authors
Adsorption of CO2 on Amine-impregnated Mesorporous Silica
Choi, Sung-Woo;
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 Abstract
Adsorption experiment of carbon dioxide was performed on MCM41 silica impregnated with two kinds of EDA(ethylenediamine) and MEA(monoethanolamine). The prepared adsorbents were characterized by BET surface area, X-ray diffraction and FT-IR. The capture study was investigated in a U type packed column with GC/TCD. The results of XRD for MCM-41 and amine-impregnated MCM41 showed typical the hexagonal pore system. BET results showed the MCM 41 impregnated amine to have a surface area of 141 to 595 and FT-IR revealed a N-H functional group at about 1400 to 1600. The adsorption capacity on EDA and MEA was as follow: MCM41-EDA30 > MCM41 -EDA40 >MCM41-EDA20 >MCM-EDA10 and MCM41-MEA40 >MCM41-MEA30 > MCM41-MEA20> MCM41-MEA10. The MCM41-EDA30 showed the highest adsorption capacity due to physical adsorption and chemical adsorption by amino-group content. The results suggest that mesoporous media with EDA is effective adsorbent for capture from flue gases.
 Keywords
Adsorption; capture;Porous media;Impregnation;MCM41;
 Language
Korean
 Cited by
1.
CO2 흡착을 위한 Ethylenediamine 함침 MCM41의 특성 분석,이철규;최성우;

Journal of Environmental Science International, 2012. vol.21. 6, pp.705-711 crossref(new window)
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