The team at the Isle La Plume Wastewater Treatment Plant in La Crosse, Wis., wanted to optimize treatment process efficiency and effectiveness, but its grit screw system was not performing to expectation.Because of the odor, hazardous nature, and sheer weight of the organics-laden grit, the plant’s disposal fees were significant. Cleaning the grit would immediately reduce disposal costs, so the plant team set out on a process improvement initiative. They solved the problem by installing two RoSF 4 COANDA grit washer units from Huber Technology.“We didn’t realize that what we were doing was unique until we listened to comments made
