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Received August 24, 2007
Accepted September 11, 2007
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MEA (monoethanolamine) 함침 메조포러스 물질을 이용한 CO2 회수
CO2 Removal using MEA (monoethanolamine) Impregnated Mesoporous Materials
한국에너지기술연구원 온실가스연구센터, 305-343 대전시 유성구 장동 71-2 1한국에너지기술연구원 이산화탄소사업단저감및처리사업단, 305-343 대전시 유성구 가정로 102 2조선대학교 생명화학공학과, 501-709 광주시 동구 서석동 375 3충남대학교 바이오응용화학부, 305-764 대전시 유성구 궁동 220
Greenhouse Gas Research Center, Korea Institute of Energy Research, 71-2 Jang-dong, Yuseong-gu, Daejeon 305-343, Korea 1Carbon Dioxide Reduction & Sequestration R&D Center, Korea Institute of Energy Research, 102 Kajeongro, Yuseong-gu, Daejeon 305-343, Korea 2Department of Biochemical Engineering, Chosun University, 375 Seosuk-dong, Dong-gu, Gwangju 501-759, Korea 3Department of Bio-Applied Chemistry, Chungnam National University, 220 Gung-dong, Yuseong-gu, Daejeon 305-764, Korea
ihbaek@kier.re.kr
Korean Chemical Engineering Research, December 2007, 45(6), 573-581(9), NONE Epub 26 December 2007
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Abstract
본 연구에서는 MEA(monoethanolamine)를 함침한 메조포러스 물질을 이용하여 이산화탄소를 회수하고자 하였다. 이를 위해 MCM-41, MCM-48 및 SBA-15의 메조포러스 물질을 제조한 후 30, 50, 70 wt%의 MEA로 함침하였다. 함침한 메조포러스 물질의 특성을 평가하기 위하여 XRD, FT-IR, SEM, BET를 이용하였다. 이산화탄소 흡탈착 실험을 수행한 결과, 흡착량은 MCM-41>MCM-48>SBA-15 순으로 나타내었다. 최대 이산화탄소 흡착량은 50 wt% MEA 함침 MCM-41으로써 40 ℃에서 57.1 mg-CO2/gr-sorbent이며, 이는 MCM-41과 비교할 때 8배 높았다. 그리고 20회 반복 흡탈착 실험 결과, 반복 실험에도 일정한 흡착능을 나타내었다.
The present study deals with removal of CO2 using various mesoporous materials impregnated with MEA (monoethanolamine). The mesoporous materials such as MCM-41, MCM-48 and SBA-15 were synthesised and then impregnated with 30, 50 and 70 wt% of MEA, respectively. XRD, FT-IR and SEM were used to evaluate the characterization of those. From the adsorption/desorption experiments for various materials, the adsorption capacity of these materials were found in the order of MCM-41> MCM-48> SBA-15. MCM-41 impregnated with 50 wt% of MEA showed the maximum adsorption capacity of 57.1 mg-CO2/gr-sorbent at 40 ℃. It is nearly 8 times higher than MCM-41 without impregnation of MEA. In the multiple cycle test of 20 times, MCM-41 impregnated with 50 wt% of MEA showed a constant adsorption capacity.
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Macario A, Katovic A, Giordano G, Iucolano F, Caputo D, Microporous Mesoporous Mater., 81, 139 (2005)
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Park HK, Park HJ, Kang BS, DCER Techinfo part I, 3(7), 100 (2004)
Lee IH, Kim SI, Park JY, Ind. Chem., 18(3), 239 (2007)
Drage TC, Smith KM, Arenillas A, Blackman JM, Sanpe CE, Prepr. Pap.-Am. Chem. Soc., Div. Fuel Chem., 51(1), 112 (2006)
Kim JM, Physic and Advanced Technology, July/August, 12-17 (2004)
Lee JW, Shim WG, Moon H, Microporous Mesoporous Mater., 73, 109 (2004)
Lee JW, Cho DL, Shim WG, Moon H, Korean J. Chem. Eng., 21(1), 246 (2004)
Cho SH, Jigumoonwha Co. (2006)
Jeon HJ, Hanlimwon Co. (2002)
Xu X, Song C, Andresen JM, Microporous Mesoporous Mater., 62, 29 (2003)
Xu XC, Song CS, Miller BG, Scaroni AW, Fuel Process. Technol., 86(14-15), 1457 (2005)
Drage TC, Arenillas A, Smith K, Snape CE, GHGT, 8 (2006)
Knofel C, Descarpentries J, Benxaouia A, Zelenak V, Mornet S, Llewellyn PL, Hornebecq V, Microporous Mesoporous Mater., 99, 79 (2007)
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Vinu A, Mori T, Ariga K, Science Tech.. Adv. Mater., 7, 753 (2006)
Hiyoshi N, Yogo K, Yashima T, Microporous Mesoporous Mater., 84, 357 (2005)
