Waste water Treatment Method for Eliminating Nitrogen (A2O4 Method)
Sewage and Waste water For the waste water treatment device for eliminating nitrogen (A2O4 method), the treatment sections constituted with a set of anoxic tank
and 2 sets of aerobic tanks are connected in series, the anoxic tank of each treatment section handles the denitification with facultative microbes and the double aerobic tank of each treatment section handles the nitrification process with nitrifying microbes, and the ammonic nitrogen converted into nitrogen in each treatment section is effectively eliminated through the denitrification process in the anoxic tank.
Another feature of this method is that it pure-cultures and supplies nitrifying microbes and denitrifying microbes which multiply relatively slowly during the nitrogen elimination process and the composition of the tanks provides the optimum multiplication condition for the microbe groups concerned with this process.
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