Journal of Hydrogen and New Energy (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Effect on the Heat of Reaction to Temperature and Absorption Capacity in the Reaction of Cyclic Amines with Carbon Dioxide

고리형 아민과 이산화탄소의 반응에서 온도와 흡수능이 반응열에 미치는 영향

  • CHOI, JEONG HO (Greenhouse Gas Laboratory, Climate Change Research Division, Korea Institute of Energy Research) ;
  • JANG, JONG TACK (Greenhouse Gas Laboratory, Climate Change Research Division, Korea Institute of Energy Research) ;
  • YUN, SOUNG HEE (Greenhouse Gas Laboratory, Climate Change Research Division, Korea Institute of Energy Research) ;
  • JO, WON HEE (Greenhouse Gas Laboratory, Climate Change Research Division, Korea Institute of Energy Research) ;
  • JUNG, JIN YOUNG (Greenhouse Gas Laboratory, Climate Change Research Division, Korea Institute of Energy Research) ;
  • YOON, YEO IL (Greenhouse Gas Laboratory, Climate Change Research Division, Korea Institute of Energy Research)
  • Received : 2018.09.10
  • Accepted : 2018.10.30
  • Published : 2018.10.30
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Abstract

The effect of temperature and absorption capacity on heat of reaction, which is one of the characteristic studies of $CO_2$ absorption, were investigated in a differential reaction calorimeter (DRC) by using piperazine (PZ) and 2-methylpiperazine (2-MPZ). For all absorbents, $CO_2$ loading capacity decreased with increasing the temperature, while the heat of reaction increased, it figured out that these had a linear correlation between $CO_2$ loading capacity and/or heat of reaction and the temperature. The heat of reaction of all absorbents increased with increasing $CO_2$ loading capacity, especially 2-MPZ rapidly increased at $70^{\circ}C$. The reason for increase in the heat of reaction was occurred the regeneration of $CO_2$, which is a reverse-reaction, simultaneously with the absorption.

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References

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