For years the Paducah McCracken County Joint Sewer Agency dealt with too much or not enough air supply in its clean-water plant’s aeration basins.
However, the utility, in Paducah, Kentucky, recently found a solution that strikes the perfect balance. The treatment facility previously relied on three multistage blowers to feed oxygen to its six 250,000-gallon aeration basins.“Our old blowers were installed in 1977, so it was time for an upgrade,” says Chris Hatton, maintenance supervisor for the plant. It wasn’t simply the age of the blowers, but the lack of control and energy inefficiency that spurred the plant to seek a
