Molecular and Ecological Analyses of Microbial Community Structures in Biofilms of a Full-Scale Aerated Up-Flow Biobead Process
2007
Ju, D.H. (Seoul National University, Seoul, Republic of Korea) | Choi, M.K. (Seoul National University, Seoul, Republic of Korea) | Ahn, J.H. (Seoul National University, Seoul, Republic of Korea) | Kim, M.H. (Biontech Co., Seoul, Republic of Korea) | Cho, J.C. (Hankuk University of Foreign Studies, Yongin, Republic of Korea) | Kim, T.S. (National Institute of Environmental Research, Incheon, Republic of Korea) | Kim, T.S. (National Institute of Agricultural Biotechnology, RDA, Suwon, Republic of Korea) | Seong, C.N. (Sunchon National University, Sunchon, Republic of Korea) | Ka, J.O. (Seoul National University, Seoul, Republic of Korea), E-mail: [email protected]
Molecular and cultivation techniques were used to characterize the bacterial communities of biobead reactor biofilms in a sewage treatment plant to which an Aerated Up-Flow Biobead process was applied. With this biobead process, the monthly average values of various chemical parameters in the effluent were generally kept under the regulation limits of the effluent quality of the sewage treatment plant during the operation period. Most probable number (MPN) analysis revealed that the population of denitrifying bacteria was abundant in the biobead #1 reactor, denitrifying and nitrifying bacteria coexisted in the biobead #2 reactor, and nitrifying bacteria prevailed over denitrifying bacteria in the biobead #3 reactor.
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