Journal of Microbiology and Biotechnology

The Korean Society for Microbiology and Biotechnology (한국미생물·생명공학회)
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Effect of Oxidation-Reduction Potential on Denitrification by Ochrobactrum anthropi SY509

  • Song, Seung-Hoon (Interdisciplinary Program for Biochemical Engineering and Biotechnology, EnzyBiotech Inc., Technology Incubation Network) ;
  • Yeom, Sung-Ho (School of Chemical Engineering, Seoul National University) ;
  • Choi, Suk-Soon (Department of Environmental Enigneering, Semyung University) ;
  • Yoo, Young-Je (Interdisciplinary Program for Biochemical Engineering and Biotechnology, School of Chemical Engineering, Seoul National University)
  • Published : 2003.06.01
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Abstract

The effect of oxidation-reduction potential (ORP) level on the denitrification by Ochrobactrum anthropi SY509 was investigated under nongrowing condition. The maximum ORP level of nitrate-containing buffer solution was -70∼-80 mV, under which the denitrification took place. By decreasing the initial ORP level, denitrifying enzyme activity was greatly enhanced, which led to higher denitrification efficiency.

Keywords

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