Oxygen for Aeration? Efficient Mixers Do the Work

Energy-efficient mixers at a Washington lagoon facility take over work previously done by aerators, creating a fast-payback project

Oxygen for Aeration? Efficient Mixers Do the Work

The Grandview plant crew displays an incentive check from the local utility for reducing aeration energy costs. From left, Ismael Montes, Kern Skinner, Michael Coronado, Dave Lorenz (plant superintendent), Tim Indicot and Eric Mandina.

Electricity can account for up to 40% of a wastewater treatment plant’s operating budget and a significant share of a municipality’s total energy bill.

Accordingly, many cities are focusing on saving energy and improving environmental performance. In Grandview, Washington,...

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