Using Drop-In Aeration Systems To Address Rising Oxygen Demands Photo courtesy of KLa Keeping pace with changing industrial wastewater treatment demands can raise multiple issues of oxygen demand, capital cost, and operating expense, often without the flexibility of taking basins out of service to upgrade to new levels of performance. Fortunately, there are alternatives for delivering more oxygen to treat more water, handling higher biochemical oxygen demand (BOD), or upgrading inefficient equipment — all without breaking the bank. Signing up provides unlimited access to: Trend and Leadership Articles Not yet a member of Water Online? Register today. Email Login Information COOK ISLANDS