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Carbonation of coal fly ash for construction materials

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2012, 22(3), pp.147-151
  • DOI : 10.6111/JKCGCT.2012.22.3.147
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering

박준영 1 Yooteak Kim 1 Hyunjung Kim 1

1경기대학교

Accredited

ABSTRACT

Carbon dioxide (CO2) could be stored in the form of Ca and Mg compounds including alkaline earth metal by carbonation. The possibility of CO2 storage was tested by using desulfurized ash from fluidized bed type boiler as raw material. Autoclave was used for maintaining the reaction pressure and temperature for the carbonation. The analysis of weight change rate, XRD, and TG/DTA proved that more than 15 % of carbonation rate was obtained under 10 kgf/cm2and 120oC-10 min.

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