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The CO2 Absorption of Synthetic Amine using the Ethylene Oxide-Ammonia Reaction

에폭사이드와 암모니아의 반응을 이용한 합성아민의 이산화탄소 흡수연구

  • CHOI, JEONGHO (Greenhouse Gas Laboratory, Climate Change Research Division, Korea Institute of Energy Research) ;
  • YOON, YEOIL (Greenhouse Gas Laboratory, Climate Change Research Division, Korea Institute of Energy Research) ;
  • PARK, SUNGYOUL (Greenhouse Gas Laboratory, Climate Change Research Division, Korea Institute of Energy Research) ;
  • BAEK, ILHYUN (Greenhouse Gas Laboratory, Climate Change Research Division, Korea Institute of Energy Research) ;
  • NAM, SUNGCHAN (Greenhouse Gas Laboratory, Climate Change Research Division, Korea Institute of Energy Research)
  • Received : 2017.08.31
  • Accepted : 2017.10.30
  • Published : 2017.10.30
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Abstract

In this study, a synthetic amine made using the ethylene oxide-ammonia reaction was used as an absorbent to remove carbon dioxide. Existing absorbents were used in a mix in order to improve performance; however, because the ethylene oxide-ammonia reaction generates primary, secondary, and tertiary amines simultaneously, it has the merit that separate mixing of the absorbents was not needed. The performance of carbon dioxide absorption with the synthetic amine was compared to that of MEA. As a result of an experiment, it was determined that the $CO_2$ loading was 1.15 times better than that of MEA (a commonly used amine), while the cyclic capacity was 2.28 times higher. Because the heat of reaction was 1.10 times lower than for MEA, the synthetic amine showed superior performance in terms of absorption and regeneration.

Keywords

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