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안송엽,김황홍,소재철,권희태 圓光大學校 環境建設硏究所 1999 環境建設論文集 Vol.8 No.-
This paper aims to get rid of BOD and nitrogen in wastewater as the anoxic-aerobic fluidized bed. The process for the removal of nitrogen consists of nitrification and denitrification in two reactors. The estimated formula for Anoxic are Biomass concentration = -2079.898V^2 - 202.2029(H/A) + 1123, BOD removal = -0.00613HRT^2 + 0.4014HRT + 46.993 and NO_3-N removal = -0.0029HRT^2 + 0.1872HRT + 77.45. This paper has increased the removal efficiency of BOD and nitrogen and recurs to denitrification nitrogen treated water, uses to the organic matter among the first-order treatment water, also nitrification case is developed to anoxic-aerobic fluidized bed recurrent method, that is two cases method using the isolated alkali in the denitrification. The experimental values are similar to values of estimated formula. Therefore, this result is able to adapt the other cases.