Aeration and mixing unit helps plant keep up with increasing demandProblem: The Big Park Domestic Wastewater Improvements District in Arizona built a 500,000 gpd wastewater treatment system in 1997. As it aged it could not keep up with increasing demand.Solution: The district engaged Sunrise Engineering, which partnered with Aeration Industries International to upgrade the plant’s equalization basin and the sludge digester and thickener. To upgrade without interrupting operations, Aire-O2 equalization basin and digester systems were installed. The Aire-O2 Triton units enable aeration and mixing with one device easily accessed from the surface. When oxygen demand is low, the control system
