Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Adsorption Characteristics of Activated Carbon Prepared From Waste Citrus Peels by NaOH Activation

NaOH 활성화법으로 제조한 폐감귤박 활성탄의 흡착특성

  • Kang, Kyung-Ho (Division of Applied Chemical Engineering, Pukyong National University) ;
  • Kam, Sang-Kyu (Division of Applied Chemical Engineering, Pukyong National University) ;
  • Lee, Song-Woo (Division of Civil & Environmental Engineering, Cheju National University) ;
  • Lee, Min-Gyu (Division of Civil & Environmental Engineering, Cheju National University)
  • 강경호 (부경대학교 응용화학공학부) ;
  • 감상규 (부경대학교 응용화학공학부) ;
  • 이송우 (제주대학교 토목환경공학) ;
  • 이민규 (제주대학교 토목환경공학)
  • Published : 2007.11.30
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Abstract

The activated carbon was prepared from waste citrus peels using NaOH. With the increase of NaOH ratio, iodine adsorptivity and specific surface area of the activated carbon prepared were increased, but activation yield was decreased. The optimal condition of activation was at 300% NaOH and $700^{\circ}C$ for 1.5 hr. For the activated carbon produced under optimal condition, iodine adsorptivity was 1,006 mg/g, specific surface area was $1,356 m^2/g$, and average pore diameter was $20{\sim}25{\AA}$. From the adsorption experiment for benzene vapor in fixed bed reactor, it was found that the adsorption capacity of activated carbon prepared from waste citrus peel was higher than that of activated carbon purchased from Calgon company. This result implied that the activated carbon prepared from waste citrus peel could be used for gas phase adsorption.

Keywords

References

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