Journal of the Korean Ceramic Society (한국세라믹학회지)

The Korean Ceramic Society (한국세라믹학회)
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Quantitative Evaluation of CO2 Sequestration in Ca-rich Waste Mineral for Accelerated Carbonation

가속탄산화를 통한 Ca-rich Waste Mineral의 정량적인 CO2 고용량 평가

  • Nam, Seong-Young (Korea Institute of Geoscience and Mineral Resources (KIGAM)) ;
  • Um, Nam-Il (National Institute of Environmental Research) ;
  • Ahn, Ji-Whan (Korea Institute of Geoscience and Mineral Resources (KIGAM))
  • 남성영 (한국지질자원연구원 광물자원연구본부) ;
  • 엄남일 (국립환경과학원 자원순환연구과) ;
  • 안지환 (한국지질자원연구원 광물자원연구본부)
  • Received : 2014.02.10
  • Accepted : 2014.03.05
  • Published : 2014.03.31
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Abstract

Accelerated carbonation is a technique that can be used as a CCS technology for $CO_2$ sequestration of approximately 5~20% in a stable solid through the precipitation of carbonate. An alkaline inorganic waste material such as ash, slag, and cement paste are generated from incinerators, accelerated carbonation offers the advantage of lower transport and processing costs at the same generation location of waste and $CO_2$. In this study, we evaluated an amount of $CO_2$ sequestration in various types of inorganic alkaline waste processed by means of accelerated carbonation. A quantitative evaluation of $CO_2$ real sequestration based on a TG/DTA analysis, the maximum 118.88 $g/kg_{-waste}$ of $CO_2$ in paper sludge fly ash, the maximum 134.46 $g/kg_{-waste}$ of $CO_2$ in municipal solid waste incinerator bottom ash, the maximum 9.72 $g/kg_{-waste}$ of $CO_2$ in industrial solid waste incinerator fly ash, and the maximum $18.19g/kg_{-waste}$ of $CO_2$ in waste cement paste.

Keywords

References

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