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http://dx.doi.org/10.4491/KSEE.2011.33.9.686

Characteristics of $CO_2$ Adsorption by MEA Impregnated MCM-41  

Lee, Jung-Beom (Department of Environmental Science, Keimyung University)
Choi, Sung-Woo (Department of Environmental Science, Keimyung University)
Publication Information
Journal of Korean Society of Environmental Engineers / v.33, no.9, 2011 , pp. 686-691 More about this Journal
Abstract
The $CO_2$ adsorption and characteristics of mesoporous silica MCM-41 impregnated by MEA (Monoethanolamine) were examined in this study. The adsorbents were characterized by XRD (X-ray powder diffraction), FT-IR (Fourier transform infrared spectroscopy), $N_2$ adsorption-desorption isotherms. $CO_2$ adsorption measurements were carried out using a GC-TCD unit using 15% $CO_2$ gas. The $CO_2$ adsorption capacity of MCM-41 increased by MEA contents to 10~40 wt%, otherwise MEA content of 50 wt% was decreased $CO_2$ adsorption capacity. The amines tended to deform at MCM-41 surface if too many amines were provided. Therefore $CO_2$ adsorption capacity can be decreased. The results of this study suggest it is important to control content of MEA in MCM-41 for adsorption of $CO_2$.
Keywords
MEA; $CO_2$ Adsorption; MCM-41;
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Times Cited By KSCI : 5  (Citation Analysis)
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