Korean Chemical Engineering Research

The Korean Institute of Chemical Engineers (한국화학공학회)
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CO2 Removal using MEA (monoethanolamine) Impregnated Mesoporous Materials

MEA (monoethanolamine) 함침 메조포러스 물질을 이용한 CO2 회수

  • Park, Ye-Won (Greenhouse Gas Research Center) ;
  • Baek, Il-Hyun (Greenhouse Gas Research Center) ;
  • Park, Sang-Do (Carbon Dioxide Reduction & Sequestration R&D Center, Korea Institute of Energy Research) ;
  • Lee, Jae-Wook (Department of Biochemical Engineering, Chosun University) ;
  • Park, So-Jin (Department of Bio-Applied Chemistry, Chungnam National University)
  • 박예원 (한국에너지기술연구원 온실가스연구센터) ;
  • 백일현 (한국에너지기술연구원 온실가스연구센터) ;
  • 박상도 (한국에너지기술연구원 이산화탄소사업단저감및처리사업단) ;
  • 이재욱 (조선대학교 생명화학공학과) ;
  • 박소진 (충남대학교 바이오응용화학부)
  • Received : 2007.08.24
  • Accepted : 2007.09.11
  • Published : 2007.12.31
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Abstract

The present study deals with removal of $CO_2$ 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 $57.1mg-CO_2/gr-sorbent$ at $40^{\circ}C$. 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.

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 $40^{\circ}C$에서 $57.1mg-CO_2/gr-sorbent$이며, 이는 MCM-41과 비교할 때 8배 높았다. 그리고 20회 반복 흡탈착 실험 결과, 반복 실험에도 일정한 흡착능을 나타내었다.

Keywords

Acknowledgement

Supported by : 과학기술부

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