한국물환경학회지 (Journal of Korean Society on Water Environment)

  • 제20권2호
  • /
  • Pages.176-182
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  • 2004
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  • 2289-0971(pISSN)
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  • 2289-098X(eISSN)
한국물환경학회 (Korean Society on Water Environment)
권호 표지

망간담지촉매를 이용한 오존/촉매 고급산화공정 평가

Evaluation of Advanced Oxidation Processes by Catalytic Ozonation with Mn-doped GAC

  • 발행 : 2004.03.30
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초록

The purpose of this study was to investigate the heterogeneous catalytic ozonation of oxalic acid by manganese (Mn) doped-granular activated carbon (GAC). In order to observe the effect of the amount of Mn doped on GAC, catalysts were manufactured by varying the impregnated Mn concentration. In this paper, the following had labeled all sorts kinds of Mn-doped GAC were labeled with suitable names according to the amount (mM) of the concentration of dipping solution: They were each named as 'Mn20', 'Mn50', 'Mn100' and 'Mn200'. These experiments were performed in a batch reactor (0.5 L) and a semi-batch reactor (1 L) and Mn-free GAC was used as a blank catalyst. The ozone decay properties of each manufactured catalyst were firstly investigated to find out the reactivity between the aqueous ozone and the catalysts. Oxalic acid removal by catalytic ozonation was then performed to demonstrate the oxidative efficiencies of each catalyst.

키워드

참고문헌

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