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Evaluation of Field Applicability of Phosphorus Removal Capability and Growth of Bacillus sp. 3434 BRRJ According to Environmental Factors
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Evaluation of Field Applicability of Phosphorus Removal Capability and Growth of Bacillus sp. 3434 BRRJ According to Environmental Factors
Yoo, Jin; Kim, Deok-Hyun; Chung, Keun-Yook;
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With the population growth and industrialization, the characteristics of discharged waste water and sewage have become more diverse. The removal of phosphorus (P) in the wastewater is essential for the prevention of eutrophication in the river and stream. This study was performed in order to estimate the field application of the Bacillus sp. 3434 BRRJ. Bacillus sp. 3434 BRRJ was cultured in the raw wastewater and synthetic medium at the 5 L reactor. The best optimum conditions for P removal by Bacillus sp. 3434BRRJ in the synthetic medium at the 5 L reactor were as follows: temperature, ; P concentration, 20 mg/L; carbon sources, glucose + acetate (1:1); oxygen concentration, alternatively anaerobic and aerobic conditions. P removal efficiency under the optimum condition was 89.4%. In case of wastewater, P removal efficiency was 95.5% under controlled at . Through this study we confirmed that P removal by Bacillus sp. 3434BRRJ in case of wastewater was as effective as the synthetic medium. It is considered that Bacillus sp. 3434 BRRJ can be applied to the treatment of wastewater in order to biologically remove P from the wastewater on a large scale.
5 L reactor;Bacillus sp. 3434 BRRJ;Bacterial growth;Phosphorus removal;Environmental factors;
 Cited by
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