Discover the latest trends in nutrient removal. Learn about intensification, decarbonization, and emerging technologies, simultaneous nitrification and denitrification for TN and TP removal, and low-energy biological nutrient removal with a focus on PdNA.
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Dr. Leon Downing is the Global Practice and Technology Leader for Nutrient Removal and Recovery for Black & Veatch from Madison, Wisconsin. He also serves as an adjunct professor at the University of Wisconsin. Downing provides technology leadership in support of Black & Veatch process engineering and applied research projects globally.
Eric Redmond is a process engineer with over 10 years of experience in planning, design, and operation of water recovery facilities. Experience includes design and operational optimization of low DO SND control schemes to increase nutrient removal efficiency and promote granulation. Specific knowledge includes advanced nitrogen removal and transformations for processes in both main and sidestream applications.
Chris has over 30 years of experience in a variety of wastewater projects, including process evaluations, troubleshooting, design and operation of pilot facilities, and treatment plant design. As a process engineer, Chris performed detailed assessments for over fifty wastewater treatment facilities to optimize performance and develop upgrades, including many facilities with low nutrient permit limits. She is also a licensed operator, having worked for 9 years at a large treatment plant with stringent nutrient limits. Chris is active in research and application considerations for next-generation nitrogen removal processes such as deammonification, as well as manipulation of liquid and solids processes for optimization of carbon content for nutrient removal and digestion.