Destruction of Acetic Acid Using Various Combinations of Oxidants by an Advanced Oxidation Processes

다양한 산화반응을 조합한 고급산화공정의 아세트산 분해에 관한 연구

  • Kwon, Tae Ouk (Department of Chemical Engineering, Sunchon National University) ;
  • Park, Bo Bae (Department of Chemical Engineering, Sunchon National University) ;
  • Moon, Jang Soo (Korea Institute of Environmental Science and Technology) ;
  • Moon, Il Shik (Department of Chemical Engineering, Sunchon National University)
  • 권태옥 (국립 순천대학교 공과대학 화학공학과) ;
  • 박보배 (국립 순천대학교 공과대학 화학공학과) ;
  • 문장수 (한국환경기술진흥원) ;
  • 문일식 (국립 순천대학교 공과대학 화학공학과)
  • Received : 2006.12.26
  • Accepted : 2007.05.17
  • Published : 2007.08.10

Abstract

The destruction of synthetic acetic acid wastewater was carried out using UV, $O_3$, $H_2O_2$, $Fe^{2+}$ oxidants in various combinations by the advanced oxidation processes. $UV/H_2O_2$, $UV/H_2O_2/Fe^{2+}$, $O_3$, $O_3/H_2O_2$, $UV/O_3/H_2O_2$, $UV/O_3/H_2O_2/Fe^{2+}$ processes were tested. $UV/H_2O_2/Fe^{2+}$, $O_3/H_2O_2$, $UV/O_3/H_2O_2$, $UV/O_3/H_2O_2/Fe^{2+}$ processes shows the most effective destruction efficiency at low pH (3.5) condition of wastewater, but $UV/H_2O_2$ and $O_3$ processes were observed less than 20%. Destruction efficiency was gradually increased with the reaction time in the $O_3/H_2O_2$ and $UV/O_3/H_2O_2$ processes, in case of the $UV/H_2O_2/Fe^{2+}$ and $UV/O_3/H_2O_2/Fe^{2+}$ processes shows rapid increasing of destruction efficiency within 90 min, then slightly decreasing with time. The destruction efficiencies of $UV/H_2O_2/Fe^{2+}$, $O_3/H_2O_2$, $UV/O_3/H_2O_2$ and $UV/O_3/H_2O_2/Fe^{2+}$ processes were observed 55, 66, 66 and 64%, respectively.

Acknowledgement

Supported by : 한국산업기술재단

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