상하수도학회지 (Journal of Korean Society of Water and Wastewater)

  • 제20권4호
  • /
  • Pages.487-498
  • /
  • 2006
  • /
  • 1225-7672(pISSN)
  • /
  • 2287-822X(eISSN)
대한상하수도학회 (The Korean Society of Water and Wastewater)
권호 표지

난분해성 후렉소잉크 폐수중 유기물 및 색도제거를 위한 철촉매 공기산화 공정의 적용

Application of Iron-Catalyzed Air Oxidation Process for Organics and Color Removals in Recalcitrance Flexographic Inks Wastewater

  • 조용덕 (에코하이텍) ;
  • 윤현희 (경원대학교 화학생명공학과) ;
  • 박상준 (경원대학교 화학생명공학과) ;
  • 김종성 (경원대학교 화학생명공학과) ;
  • 이상화 (경원대학교 화학생명공학과)
  • 발행 : 2006.08.15
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초록

The oxidation processes of metal catalysis were practically applied into the flexographic inks wastewater treatment to derive the most effective and economical system among all the processes of iron-salts coagulation, iron-catalyzed air oxidation, and coagulation followed by biological treatment. The iron concentration and pH were optimized as $2.8{\times}10^{-3}mol$ and 5.5~6.0, respectively, for all the oxidation processes. At the optimal reaction conditions, the removal efficiencies of $TCOD_{Mn}$ and Color were as follows for the respective process: i) 75% $TCOD_{Mn}$ and 77% Color removals for iron-salts coagulation, ii) 91% TCODMn and 90% Color removals for iron-catalyzed air oxidation, iii) 74~92% $TCOD_{Mn}$ and 81~90% Color removals for coagulation followed by biological treatment. Based on the economical and technological aspects, iron-catalyzed air oxidation was confirmed as the most effective process in the treatment of industrial wastewater.

키워드

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