Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Adsorption of Hydrogen Sulfide on Surface Modified Activated Carbon using Ferric Nitrate

질산철을 이용하여 표면개질된 활성탄의 황화수소 흡착

  • Jeong, Moonjoo (Department of Environmental Engineering, Seoul National University of Science and Technology) ;
  • Lee, Seongwoo (Department of Energy and Environmental Engineering, Seoul National University of Science and Technology) ;
  • Kim, Daekeun (Department of Environmental Engineering, Seoul National University of Science and Technology)
  • 정문주 (서울과학기술대학교 환경공학과) ;
  • 이성우 (서울과학기술대학교 에너지환경공학과) ;
  • 김대근 (서울과학기술대학교 환경공학과)
  • Received : 2015.02.12
  • Accepted : 2015.03.25
  • Published : 2015.04.30
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Abstract

The purpose of this study was to fabricate a ferric nitrate impregnated activated carbon, and the performance for hydrogen sulfide by adsorption was evaluated. Sodium hydroxide was utilized to control pH in the process during generation of ferric hydroxide on the surface of the carbon. Critical mixing duration for generation of ferric hydroxide on the carbon was 48 hrs at pH 1 of the solution, in which the chemical adsorption of hydrogen sulfide was enhanced. The adsorption capacity of the impregnated carbon increased up to 0.10 g hydrogen sulfide/g carbon, which was 4.3 times higher than that of the raw carbon. Presence of FeOOH on the surface of the impregnated carbon was examined by X-ray diffraction.

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References

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