The AERprocess Dissolved Oxygen Control from Aerzen USA can help control the dissolved oxygen (DO) concentration in the activated sludge process and the blowers used to generate the process airflow requirement. The system is able to maintain DO concentrations at their setpoints by combining blower and process control based on an activated sludge aeration model using plant-specific model equations. It determines the oxygen requirements in real time and calculates the total airflow required as well as the exact airflow required in each aeration zone to maintain the DO at the setpoint. 610/380-0244;

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