Demonstration of a Novel Separate Centrate Deammonification Process at the 26th Ward Wastewater Treatment Plant

Increasingly stringent nutrient discharge limits require utilities to employ energetically and cost intensive biological nutrient removal (BNR) processes. This project, “Demonstration of a Novel Separate Centrate Deammonification Process,” will explore the application of anaerobic ammonia oxidation (anammox) for reducing the energy demand and operating costs associated with biological nutrient removal. In this hybrid approach, facilities can reduce theoretical oxygen and alkalinity demand requirements by up to 50%, as well as reduce supplemental carbon costs between 60 to 80% versus the conventional approach. These savings can significantly reduce plant wide energy costs and the over-all carbon footprint of plant operations.