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Reaction Characteristics of Elemental and Oxidized Mercury with Fly Ash Components

비산재 성분과 원소 및 산화수은의 반응특성

  • Lee, Sang-Sup (Department of Environmental Engineering, Chungbuk National University) ;
  • Kim, Kwang-Yul (Department of Environmental Engineering, Chungbuk National University) ;
  • Oh, Kwang-Joong (Department of Environmental Engineering, Pusan National University) ;
  • Jeon, Jun-Min (Green Environmental Center, Suncheon First College) ;
  • Kang, Dong-Chang (Department of Environmental Engineering, Chungbuk National University)
  • 이상섭 (충북대학교 환경공학과) ;
  • 김광렬 (충북대학교 환경공학과) ;
  • 오광중 (부산대학교 환경공학과) ;
  • 전준민 (순천제일대학 그린환경종합센터) ;
  • 강동창 (충북대학교 환경공학과)
  • Received : 2013.08.01
  • Accepted : 2013.10.04
  • Published : 2013.12.31

Abstract

Fly ash has capacity to oxidize or adsorb mercury in a flue gas. Mercury oxidation and adsorption efficiencies of fly ash vary depending on the properties of fly ash. This study was designed to understand reaction characteristics of mercury with fly ash components. The fly ash components were tested to determine their oxidation and adsorption capabilities for elemental mercury and oxidized mercury. A sample was synthesized with fly ash components and tested. The test results were compared with those of the fly ash sample obtained from a coal-fired power plant. $Fe_2O_3$, CuO and carbon black showed higher oxidation or adsorption efficiency for elemental mercury while CaO, MgO, CuO and carbon black showed higher adsorption efficiency for mercury chloride. In addition, the synthesized sample showed comparable mercury oxidation and adsorption efficiencies to the fly ash sample.

Acknowledgement

Supported by : 충북대학교

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