Mechanisms of biological processes anoxic and aerobic to remove total nitrogen as follows:
+ nitrification: the metabolism of nitrogen compounds in the form of organic nitrogen in the form of nitrite, nitrate due to the micro- aerobic aerobic biological tank + denitrification process is the process of reducing nitrogen compounds into nitrate nitrogen in the form of freedom thanks to the lack of air microorganisms in anoxic tank. new biomass. the removal of N-NH4 in the aeration basin + is tả by the equation:
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