Monthly Archives: July 2018

Dissolved oxygen (DO) is defined in biological treatment as the relative measure of oxygen dissolved in wastewater available to sustain life, including living bacteria. The concentration of dissolved oxygen (DO) in the aeration tank(s) of an activated sludge system is one of the most important process control parameters. Indicators of low dissolved-oxygen conditions include: substantialContinue reading “IMPROVING DISSOLVED OXYGEN LEVELS IN WASTEWATER.”