Running the process: O&M, control, distribution, performance and risk. Equipment design belongs elsewhere.
Aeration typically consumes 50–60% of a treatment plant’s electricity. Most of that is recoverable without new blowers.
Every curve is measured on clean water at a fixed speed. Here is what suction conditions, wear rings and a worn impeller do to it.
What was specified, what we found on site, and the four changes that made the difference.
The one number worth putting on a wall, and the three ways it gets reported wrongly.