Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Adsorption Charateristics of Tartrazine by Activated Carbon

활성탄에 의한 Tartrazine의 흡착 특성

  • Yoon, Sung Wook (Innovation Center for Engineering Education, Dankook University) ;
  • Lee, Jong-Jib (School of Chemical Engineering, Kongju National University)
  • 윤성욱 (단국대학교 교육혁신센터) ;
  • 이종집 (공주대학교 화학공학부)
  • Received : 2009.03.18
  • Accepted : 2009.06.10
  • Published : 2009.07.30
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Abstract

The adsorption characteristics of tartrazine by granular activated carbon were experimentaly investigated in the batch adsorber and the packed column. The adsorptivity of activated carbon for tartrazine was largely improved by pH control, and 98 percent of initial concentration could be removed at pH 3. It was estabilished that the adsorption equilibrium of tartrazine on granular activated carbon was sucessfully fitted by Freundlich isotherm equation in the concentration range from 50 mg/L to 1,000 mg/L. The characteristics of breakthrough curve of activated carbon packed column, which depend on the design variables such as initial concentration, bed height, and flow rate, were studied.

Keywords

References

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