Journal of Korean Society on Water Environment (한국물환경학회지)

Korean Society on Water Environment (한국물환경학회)
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Optimal Condition of Operation Parameter for Livestock Wastewater Treatment using Photo-Fenton Process

PHOTO-FENTON 공정을 이용한 축산폐수처리시 운전인자의 최적조건

  • Park, Jae-Hong (Research Institute for Environmental Technology and Sustainable Development, Korea University) ;
  • Chang, Soon-Woong (Department of Environmental Engineering, Kyonggi University) ;
  • Cho, Il-Hyoung (New Town Development Division, Gyeonggi Innovation Corporation)
  • Received : 2005.02.21
  • Accepted : 2005.03.18
  • Published : 2005.05.30
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Abstract

In this study, photochemical advanced oxidation processes (AOPs) utilizing the Photo Fenton reaction ($Fe^{2+}+H_2O_2+UV$) were investigated in lab-scale experiments for the treatment of livestock wastewater. For the experimets, the livestock wastewater was pretreated by coagulation with $3,000mg/L\;FeCl_3$. The optimal conditions for Photo-Fenton processes were determined: pH was 5, the concentration of ferrous ion (Fe II) was 0.01 M. The concentration of hydrogen peroxide was 0.1 M, and molar ratio ($Fe^{2+}/H_2O_2$) was 0.1. The optimal reaction time was 80 min. Under the optimal condition of Photo-Fenton process, chemical oxygen demand (COD), color and fecal coliform removal efficiencies were about 79, 70, and 99.4%, respectively and sludge production was 7.5 mL from 100 mL of solution.

Keywords

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