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KMID : 0380020050200020116
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Korean Journal of Biotechnology and Bioengineering
2005 Volume.20 No. 2 p.116 ~ p.122
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Removal of Nitrogens and Phosphorus by Bacillus sp. CK-11 and Bacillus sp. CK-13 Isolated from Shrimp Farming Pond
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Chun Jae-Woo
Ma Chae-Woo
Lee Sang-Hyun
Oh Kye-Heon
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Abstract
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The feasibility of using bacterial cultures with the ultimate aim for the marine environmental clean-up was explored. The present study reports on the bacterial elimination of nitrogens and phosphorus by strains CK-10 and CK-13 isolated from shrimp farming pond. The strains were identified as genus Bacillus on the basis of BIOLOG test, and designated as Bacillus sp. CK-10 and Bacillus sp. CK-13, respectively. Removal of nitrogens or phosphorus as single N or P source was studied with single cultures under aerobic conditions. Complete elimination of all nitrogens in the concentration range of was achieved in single cultures as well as co-cultures within the given incubation period. Similar results were obtained from the test cultures containing . Simultaneous removal of all N/P was monitored in the co-cultures. As the results, were eliminated within 12hrs and were completely disappeared within 36 hrs from the media. The work demonstrated that co-cultures improved the concurrent removal of N/P from the media.
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KEYWORD
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N/P removal, probiotic, Bacillus sp. CK-10, Bacillus CK-13
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