The Water Research Foundation

Guidelines for Optimizing Nutrient Removal Plant Performance

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Path to Optimization

Water Resource Recovery Facility

Water Resource Recovery Facilities (WRRF) can be divided into five types. The type is typically reflective of the size of the WRRF and the permit requirements. Review WRRF definitions.

Please select the existing treatment process (secondary, conventional nutrient removal, or tertiary nutrient removal). Review definitions for more information. Select one of the options below.

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Your selections:

Potential Strategies

Biological Nutrient Removal

Chemical Use

Small Mechanical

Small Non-Mechanical