섬모상담체를 이용한 고도처리공정의 운전인자 도출
Proposed Operating Parameters for Advanced Treatment Process using a Cilium Media BNR Process
The study were conducted in order to investigate the effect of operating parameters including the internal recycle (nitrification return) rates, hydraulic retention times (HRTs) and temperature when using a cilium media method. The first experiment was for evaluating the effect of HRT (12 hr, 10 hr, 8 hr, 6 hr, 4 hr). The second experiment was for analyzing effect of internal recycle rate (100%, 200%, 300%, 400%). As a result of the first experiment, BOD was removed to 97~98% for 6~8 hr HRT. Effluent water quality was not significantly influenced with HRT within that range. However the nitrogen removal was sensitive to HRT. T-P removal efficiency was invariable at various HRTs. The average BOD removal efficiency was about 97% in spite of change of internal recycle rate while T-N removal efficiency was increased at the internal recycle rate of 100~200%, but invariable at the internal recycle rate of 200~300%.
- Bliss, P. and Barnes, D., Modelling nitrification in plant scale activated sludge, Wat. Sci. Tech., 18, pp. 139-148 (1986)
- Anthonisen, A. C., Zidulka, A., Demedts, M. and Nadler, S., Inhibition of Nitrification by Ammonia and Nitrous Acid., J. WPCF., 48, pp. 832-838 (1976)
- Hall, E. R. and Murphy, K. L., Estimation of Nitrifying Biomass and Kinetics in Wastewater, Wat. Res., 14, pp. 295-297 (1980)
- Gayle, B. P., Augers, E. A., Gough, G. R. and Gilham., P. T., Biological Denitrification of Water, J. of Env. Engr. Amer. Soc. of Civil Engr., 115, pp. 928-931 (1989)
- Randall, C. W., Barnard, J. L. and Stensel, H. D., Design and Retrofit of Wastewater Treatment Plants for Biological Nutrient Removal, 5, Water Quality Management Library, Technomic Publishing Co., Lancaster, PA (1992)
- Gullicks, H. A. and Cleasby, J. L., Design of trickling filter nitrification tower, J. WPCF., 58(1), pp. 60-68 (1986)
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- Lee, Kwang Hyun ; Park, Min Suk ; Joo, Hyun Jong 2009. "Evaluation of NH4+-N Ion Exchange Property using Natural Zeolite and Zeolite Carrier" 水質保全 = Journal of Korean Society on Water Quality, 25(5): 750~757
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