Aerobic Denitrification of Pseudomonas putida AD-21 at Different C/N Ratios(ENVIRONMENTAL BIOTECHNOLOGY)
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概要
- 論文の詳細を見る
An aerobic denitrifier was newly isolated from soil and its denitrification activity under different C/N (carbon/nitrogen) ratios was investigated. The isolate was identified as Pseudomonas putida AD-21 by biochemical studies and 16s rDNA sequencing analysis. P. putida AD-21 tolerated oxygen levels of 5.0-6.0mg/l. An ^<15>NH_4/^<14>NO_3 analysis indicated that the nitrogen of NH_4 was preferentially assimilated into the cell mass and that the nitrate removed could be considered an indication of bacterial denitrification efficiency. Increasing the C/N ratio increased the nitrate removal rates, whereas nitrogen assimilation into the cell mass was not affected. The optimal C/N ratio was 8 with a maximum nitrate removal rate of 254.6mg/l/h and a nitrate removal efficiency of 95.9%. The results suggest that P. putida AD-21 may be a good candidate for aerobic wastewater treatment.
- 社団法人日本生物工学会の論文
- 2008-11-25
著者
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KIM Min
Department of Internal Medicine, Chonnam National University Hospital
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Kim Young
Korea Food Research Institute
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Kim Young
Korea Bio-it Foundry Center Pusan National University
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LEE Sang-Joon
Department of Microbiology, College of Natural Sciences, Pusan National University
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Jeong Seong-yun
Korea Bio-it Foundry Center Pusan National University
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Kim Young
Korea And College Of Pharmacy Chungbuk National University
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Kim Mia
Department of Microbiology, College of Natural Sciences, Pusan National University
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Yoon Su
Department of Microbiology, College of Natural Sciences, Pusan National University
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Cho Sun
Department of Microbiology, College of Natural Sciences, Pusan National University
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Ryu Eun
Department of Microbiology, College of Natural Sciences, Pusan National University
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Kim Mia
Department Of Microbiology College Of Natural Sciences Pusan National University
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Ryu Eun
Department Of Microbiology College Of Natural Sciences Pusan National University
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Cho Sun
Department Of Microbiology College Of Natural Sciences Pusan National University
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Lee Sang-joon
Department Of Mechanical Engineering Advanced Fluids Engineering Research Center Pohang University O
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Kim Min
Department Of Chemical Engineering Cheju National University
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Cho Sun
Department Of Laboratory Medicine School Of Medicine Kyung Hee University
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Kim Min
Department of Applied Science, Korea Maritime University, Busan 606-791, Korea
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KIM Min
Department of Animal Science and Biotechnology, College of Agriculture and Life Science, Chungnam National University, Daejeon 305–764, Korea
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