Shady Yehia, The Control Blog


Energy Efficiency October 12, 2015

VFD application in wastewater treatment aeration control

In a typical wastewater treatment plant, aeration blowers are the largest single consumer of energy. One of the major energy efficiency improvement areas appears in changing the way by which air flow into aeration basins is controlled, from flow control valves (FCV) to blowers speed control by a variable frequency drive (VFD). Results show up to 50% energy savings.

By Shady Yehia, The Control Blog
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