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Characteristics of $NH_3$-N removal in nitrification reactor according to organic loading rate  

Kang, Min-Koo (Department of Environmental Engineering, Chungbuk National University)
Kim, Keum-Yong (Department of Environmental Engineering, Chungbuk National University)
Kim, Seung-Ha (Department of Environmental Engineering, Chungbuk National University)
Ryu, Hong-Duck (Department of Environmental Engineering, Chungbuk National University)
Lee, Sang-Ill (Department of Environmental Engineering, Chungbuk National University)
Publication Information
Journal of environmental and Sanitary engineering / v.24, no.3, 2009 , pp. 7-15 More about this Journal
Abstract
The objective of this study was to investigate difference in nitrogen, organic, phosphorus and $NH_3$-N removal efficiency according to organic loading, comparing M-DEPHANOX process which has two nitrification reactor with M-eBNR process which has one nitrification reactor. As a result of this study, $NH_3$-N removal efficiency of M-DEPHANOX and M-eBNR resulted in average level of 91.8%, 96.9%, respectively. M-DEPHANOX and M-eBNR processes showed high removal efficiency in view of $NH_3$-N removal efficiency. Comparing organic removal efficiency by M-DEPHANOX and M-eBNR processes, the average removal efficiency in terms of TCOD, SCOD was 84.1%, 78.2% and 83.4%, 75.6%. Also, the results that observed about $NH_3$-N removal efficiency regarding organic loading revealed that nitrification reactor of RBC type are little influenced by flowing organic without precipitating at settling tank. Therefore, although inflow characteristics of municipal wastewater changes, M-eBNR process appeared to remove $NH_3$-N reliably.
Keywords
M-DEPHANOX(Modified-DEPHANOX); M-eBNR(Nitrificatrion of RBC reactor); RBC(Rotating Biological Contactor); $NH_{3}$-N removal efficiency;
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Times Cited By KSCI : 1  (Citation Analysis)
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