Efficient by Design

A new SBR plant in an Iowa community includes a wide range of energy-efficiency features, including geothermal heating.
Efficient by Design
Blowers and piping for three digesters are assisted by dissolved oxygen monitoring to optimize aeration and energy usage.

When the mid-1950s wastewater treatment plant became too small to meet demand, the community of Washington, Iowa, decided to build new and look for as many operational efficiencies as possible to help hold down operating costs. The new $15 million plant went online in August 2012...

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