Wastewater treatment in the City of Mankato, Minn., means more than sending clean effluent back into the local watercourse. It means treating that effluent to reuse standards, mainly so that a nearby electric power plant can use it to cool the turbines.
At the same time, the wastewater treatment plant must meet new water-quality requirements that limit cities along the Minnesota River to 1 mg/l of total phosphorus in effluent by 2015 to help prevent algae blooms and related pollution problems.
Two technologies from Kruger Inc. (a part of Veolia Water Solutions & Technologies) helped the city achieve those aims. A compact
