Tag: Nitrogen and Phosphorus Removal

Introduction   The Des Moines Metropolitan Wastewater Reclamation Authority (WRA) Wastewater Treatment Plant is a cornerstone of environmental stewardship and public health in Iowa’s capital city. Originally formed in the early 1970s, the Des Moines WRA has continually evolved, leveraging cutting-edge technologies and community engagement to sustain its mission. Serving a growing population and addressing […]

The Activated Sludge Process is a critical part of modern wastewater treatment methods. Through this process, wastewater containing organic matter is aerated in a basin to encourage the growth of microorganisms that consume the organic pollutants. The method vastly improves the quality of the effluent, rendering it safer for discharge into natural water bodies or […]