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OTT GROUP Aeration System BioTAS? Can enhance micro mixing hose aeration technology SED Biochemical Technology Process System MACOSS? Precision control system InDENSE? Sludge screening technology

SNDPR low dissolved oxygen technology

SNDPR synchronous nitrification denitrification occurs in the aerobic tank due to the low dissolved oxygen DO (0.5 ± 0.2mg/L), resulting in a difference in dissolved oxygen concentration within the sludge. Nitrification can occur in an aerobic environment on the sludge surface, while denitrification can occur in an anoxic environment inside the sludge. At the same time, free phosphorus is absorbed into polyphosphate accumulating bacteria.

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