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KMID : 0380020030180060461
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Korean Journal of Biotechnology and Bioengineering
2003 Volume.18 No. 6 p.461 ~ p.465
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Isolation and Characterization of Denitrification Bacteria
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Cha Wol-Suk
Choi Hyoung-Il
Lee Dong-Byung
Cha Jin-Myung
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Abstract
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Five denitrifying bacteria, which were identified as Pseudomonas sp., were isolated by the enrichment culture technique. The most effective denitrifying bacterium was named as Pseudomonas DWS, which was cultivated at anoxic condition. The optimal growth temperature and pH were 30 and 7-8, respectively. Cell growth almost revealed a stationary phase at 18 hours after cultivation and nitrate was degrade 99.9％ during this period. Therefore, it is suggested that Pseudomonas DWS could be effectively used for the biological treatment of wastewater containing nitrogen compounds.
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KEYWORD
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Pseudomonas DWS, Denitrifying, biological treatment
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