Case Studies

City needed a system that would weather the Upper Peninsula’s harsh winters This Wastewater Treatment Plant in Michigan sits on the shores of rugged and picturesque Lake Superior in the state’s Upper Peninsula. When the city needed to replace an aging system, they chose the Tri-Oval® oxidation ditch system for its overall costs savings, process control and operational […]

South Dakota facility retrofits advanced process control system Nearly 25 years ago, the consulting engineering firm Banner & Associate, Inc. designed an efficient wastewater treatment facility for a city in S.D. that featured process control, flexibility and treatment efficiency while minimizing operating and maintenance costs. Key to the system was the aspirator aeration system that supplied reliable […]

 …Guaranteed! Since 1984, the Aire-O2® system has provided efficient oxygen transfer, good mixing, and easy maintenance even in severe winter conditions Problem This Midwestern, USA city wanted to replace an aging trickling filter system with a new, efficient wastewater treatment facility equipped to handle its future growth. Important factors in design were loading demand fluctuations, winter treatment efficiency, […]