한국환경과학회지 (Journal of Environmental Science International)

  • 제18권5호
  • /
  • Pages.501-508
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  • 2009
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  • 1225-4517(pISSN)
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  • 2287-3503(eISSN)
한국환경과학회 (The Korean Environmental Sciences Society)
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A Study on the Characteristics of Activated Carbons Supported Metal by Microwave Irradiation

  • Kim, Sung-Wook (Faculty of Environmental Science and Engineering, Keimyung University) ;
  • Kim, Jung-Bae (Faculty of Environmental Science and Engineering, Keimyung University) ;
  • Choi, Sung-Woo (Faculty of Environmental Science and Engineering, Keimyung University)
  • 발행 : 2009.05.31
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초록

In this study, the characteristics of granular activated carbon (GAC) supported metal was investigated in an area influenced by flame discharge and temperature variation during irradiating microwave. The modified GAC was formulated by impregnating metal hydroxides of nickel (Ni/GAC), barium (Ba/GAC), copper (Cu/GAC), zinc (Zn/GAC), cobalt (Co/GAC) and lanthanum (La/GAC). Ba/GAC was selected as it showed lack of spark discharge and temperature increasing aspects. Comparison of adsorption and desorption amount of GAC and Ba/GAC showed that adsorption and desorption rate of the GAC were higher than those of Ba/GAC. The results show that the presence of barium can decrease adsorption/desorption rate because of plugging pore of GAC. Toluene regeneration rate of Ba/GAC was better than that of GAC due to barium loading. Finally, GAC with barium can be controled a rapid increasing temperature and spark discharge, increased the regeneration rate of toluene during desorption by irradiating microwave.

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참고문헌

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