Korean Journal of Fisheries and Aquatic Sciences (한국수산과학회지)

The Korean Society of Fisheries and Aquatic Science (한국수산과학회)
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Nitrification and Denitrification by Using a Sequencing Batch Reactor System

Sequencing Batch Reactor (SBR)를 이용한 질산화와 탈질산화

  • PARK Jong-Ho (Department of Inland Fisheries Research Institute, Chung Buk-Do) ;
  • LEE Won-Ho (Department of Construction & Urban Engineering, Chung Ju National University) ;
  • CHO Kyu-Seok (Department of Inland Fisheries Research Institute, Chung Buk-Do) ;
  • HWANG Gyu-Deok (Department of Inland Fisheries Research Institute, Chung Buk-Do)
  • Published : 2003.06.01
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Abstract

Sequencing Batch Reactor (SBR) was operated under various experimental conditions to improve the efficiency of biological filters used for the treatment of recycled wastewater from aquaculture. This SBR system was operated for removing COD, ammonia and suspended solid that were the major pollutants in aquaculture wastewater. Aerobic and anoxic conditions after FILL mode were applied intermittently for effective removal of nitrogen. SETTLE and DRAW modes were followed by the complete aerobic and anoxic REACT mode. The total volume of the SBR was 75 liter, while the working volume in a cycle was 35 liters. When the final operating strategy of the SBR was FILL/REACT/SETTLE/DRAW of 0.5/10/1/0.5 hr. the removal efficiencies of TCODcr, $NH_{4}^{+}-N,$ and T-N were 94, 98, and $89\%,$ respectively.

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References

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