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Improving the Efficiency of Secondary Treatment Aeration: Three Communities, Three Separate Solutions

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The recent introduction of high efficiency blower technology to the wastewater marketplace has resulted in many communities evaluating their aeration needs with the hope of recognizing significant savings from using less energy. To ensure success, engineers & owners must take the time to identify appropriate project drivers, identify the full range of aeration needs including current, future, turn-down requirements, and evaluate existing system infrastructure limitations. Understanding project drivers and system needs is crucial to ensuring that communities will achieve the maximum energy savings using the blower technology that best meets their wastewater needs.

Woodard & Curran has recently guided three communities through the high efficiency blower technology upgrade process and although each had the same ultimate goal of increasing energy efficiency, the project drivers were unique to each community. As a result, three separate blower technologies were selected to meet the differing drivers while achieving individual energy efficiency goals. It is evident that “one size” or in this case, “one technology” does not fit all situations.
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Keywords: Aeration; Blower; Controls; Design; Efficiency; Energy; Technology; Turbocompressor; Upgrade

Document Type: Research Article

Publication date: 2011-01-01

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