한국안전학회지 (Journal of the Korean Society of Safety)

  • 제21권1호
  • /
  • Pages.59-64
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  • 2006
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  • 1738-3803(pISSN)
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  • 2383-9953(eISSN)
한국안전학회 (The Korean Society of Safety)
권호 표지

활성탄에 의한 PCBs의 흡착제거

Adsoption Removal of PCBs by Activated Carbon

  • 유용호 (마산대학교 향수화장품학부) ;
  • 이종집 (공주대학교 화학공학부)
  • Yu, Yong-Ho (Division of Perfumes and Beauty, Masan College) ;
  • Lee, Jong-Jig (Division of Chemical Engineering, Kongju National University)
  • 발행 : 2006.02.28
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초록

In this study, adsorption characteristics of PCBs on granular activated carbon were experimentally investigated in a batch reactor and in a fixed bed reactor. Granular activated carbon removed above 98.4% of initial concentration, 1000mg/L, of PCBs. It was estabilished that the adsorption equilibrium of PCBs on granular activated carbon was more successfully fitted by Freundlich isotherm equation in the concentration range from 1 to 1000mg/L. Because Freundlich parameter, ${\beta}$ is 0.346, removall treatment of PCBs by activated carbon accounts for the fact that toxicity reduction can be achieved through this process. Appearance time of breakthrough curve is faster with the increase flow rate and inflow concentration of liquid. The utility of granular activated carbon is enhanced with the increase of bed height and with the decrease of inflow rate.

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참고문헌

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