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KMID : 0613820030130010047
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Journal of Life Science
2003 Volume.13 No. 1 p.47 ~ p.53
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Removal of Ammonia and Nitrite in Water by Bacillus sp. A8-8
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Lee Yong-Seok
Yoo Ju-Soon
Jung Soo-Yeol
Choi Yong-Lark
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Abstract
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The purpose of this study is to improve the system for biological nitrogen oxidizing process in sewage and wastewater. A bacterium having high abilities to oxidize of nitrogen was one of the possessed on Lab. The strain was identified to Bacillus sp. A8-8, based on the physiological and biochemical properties. And the strain has ability degradation crude oil. In comparison with oxidizing rates with changing initial pH and temperature, the strain Bacillus sp. A8-8 was nitrogen oxidizing ability and growth rate on the various of pH, temperature. Oxidizing rates of the
strain in sewage and wastewater were about 48% and 62%, respectively. The nitrogen oxidizing rate was increased in
proportion to the initial concentration of glucose. The microorganism, Bacillus sp. A8-8, immobilized in ceramic carrier
were evaluated for the oxidation of ammonia in culture media.
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KEYWORD
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Nitrogen oxidizing, Bacillus sp., immobilization, ceramic media, aquaculture
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