Article | March 31, 2019

A Comprehensive Approach To Dissolved Oxygen Control

Source: Aerzen

Combined control is a strategy emerging as a strong alternative to traditional approaches for maintaining proper dissolved oxygen (DO) concentrations in the activated sludge at wastewater treatment plants.

At its core, this approach sustains DO concentrations at their setpoints using a smart design that constantly examines past and present conditions within a plant. It “learns” the system and adjusts the rate of change to calculate the amount of air required.  The system then sequences multiple blowers, and makes valve adjustments where needed, to generate the proper process airflow.

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