Project #4973
Guidelines for Optimizing Nutrient Removal Plant Performance
$439,681
Principal Investigator
J.B.
Neethling
Research Manager
Ms. Stephanie Fevig, PE
Contractor
HDR Engineering, Inc.
Abstract
As water resource recovery facilities (WRRFs) continue to face nutrient management challenges, there is a need for guidance on the wide range of nutrient control techniques. Through this project, a road map will be developed to assist WRRFs in optimizing nutrient removal to reduce costs, increase efficiency, and reduce nutrient discharges.
Resources
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Nutrient Discharge Permitting and WRRF Optimization
This webcast will provide an overview of regulatory trends in the United States which may require optimization for nutrient removal. Presenters will discuss strategies to comply with regulatory load targets...
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Tools to Evaluate Nutrient Optimization in WRRFs
This webcast will cover tools to evaluate nutrient optimization opportunities. Evaluation tools help vet a proposed optimization process/technology and can help support a proposed nutrient optimization approach. Such tools can...
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Optimize Nutrient Removal WRRF Operations
This webcast will cover optimization strategies for nitrogen and phosphorus removal in nitrifying, conventional nutrient removal, and tertiary nutrient removal processes. Presenters will discuss ammonia, nitrogen, chemical, and biological phosphorus...
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Nutrient Reduction Approaches for Small Systems
This webcast will explain the nutrient regulatory landscape for small systems ( less than 10,000 people or 1 mgd) and will cover tertiary treatment, stand-alone, pre-engineered, and natural systems. Some...
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Optimizing Nutrient Removal WRRFs
This webcast covered optimization strategies for nitrogen and phosphorus removal in nitrifying, conventional nutrient removal, and tertiary nutrient removal processes. Presenters discussed ammonia, nitrogen, chemical, and biological phosphorus removal to...
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Strategies to Reduce O&M Cost in Nutrient Removal WRRFS
The presenters discussed strategies to reduce O&M costs at nutrient removal facilities,* including metrics for energy and chemical usage. They also covered strategies to reduce energy and chemical usage, e.g...
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Instrumentation and Control for Nutrient Optimization – Part 2: Controls
Internal recycles, such as reject water and sidestreams from solids processing WRRFs can impact nutrient removal efficiency as well as create nuisance conditions. Managing these recycles can improve nutrient removal...
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Instrumentation and Control for Nutrient Optimization – Part 1: Sensors
This session provided an introduction to control systems, instrumentation, and strategies, with a focus on sensors. Fundamentals of sensors, including application, selection, installation, calibration, and maintenance will be covered. Examples...
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Sidestream Management to Optimize WRRF Nutrient Removal
Internal recycles, such as reject water and sidestreams from solids processing WRRFs can impact nutrient removal efficiency as well as create nuisance conditions. Managing these recycles can improve nutrient removal...
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Beyond Liquid Treatment: Reduce Nutrient Discharge Loads by Other Means
This session covered nutrient discharge reduction “by other means,” such as through wetlands, effluent polishing, reuse, and other strategies outside mainstream treatment. Technologies like algal treatment and nature-based solutions (e.g...
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Emerging Technologies for Nutrient Optimization
This webcast discussed emerging technologies for nutrient optimization of existing facilities, including emerging process developments, equipment, treatment and regulatory strategies, and overall system nutrient control approaches. The webcast will focus...
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Applied Fundamentals for Nitrogen and Phosphorus Removal Optimization
This webcast covered process fundamentals, focusing on implications and opportunities for optimizing nutrient reduction at WRRFs. Presenters went over the chemistry, microbiology, and processes used for nitrogen and phosphorus removal...
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Nutrient Reduction from Secondary BOD Removal WRRFs
This presentation covered strategies to reduce nitrogen and phosphorus discharged from an existing secondary biological oxygen demand-only plant. The discussions focused on process modifications, limited change within the basins (not...
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