• Nitrogen Transformations

• Maximizing Nitrification in your Activated Sludge Plant

• Improving Nitrification through Bioaugmentation

• Case History: Nitrification and Denitrification at the L/E WWTP

• Principles of Chemical Phosphorus Removal

• Principles of Biological Phosphorus Removal

• Case History: Nitrification and Biological Phosphorus Removal at Metro

• Secondary Clarification: The Key to Achieving Low Phosphorus Levels

• Case History: Air Mixed Selectors

List of Papers and References

Maximizing Nitrification in your Activated Sludge Plant

• Saving the Chesapeake Bay - Planning for Less Then 3 mg/l Total N and 0.1 mg/L Total P - Lynchburg Regional WWTP Story

• Enhancing Nitrification in North American Activated Sludge Plants

• Alternative Operational Strategies to Control Pollutants in Peak Wet Weather Flows

• Anoxic or Anaerobic Selectors: Which is Better?

Improving Nitrification through Bioaugmentation

• Improving Nitrification through Bioaugmentation

Case History: Nitrification and Denitrification at the L/E WWTP

• A Rational Approach to Size Denitrification Filters to Meet TMDL Requirements

• Mitigating the Cost of Denitrification in Fixed Film Plant with Nitrate Recycle

• Maximizing Trickling Filter Nitrification Rates Through Biofilm Control: Research Review and Full Scale Application

Case History: Nitrification and Biological P Removal at Metro

• Bio-P Implementation at MCES' Metropolitan WWTP within Existing Tankage

Secondary Clarification: The Key to Achieving Low Phosphorus Levels

• Making Classifying Selectors Work for Foam Control in the Activated Sludge Process

• Design and Operations Experience with Flocculator-Clarifiers in Large Plants

• Approaching the Limits of Technology: Atlanta's Utoy Creek WRC Delivers Award-winning Nutrient Removal

• Separate Stage Denitrification - The Key to Achieving a 3-3-3-06 AWT Effluent

Case History: Air Mixed Selectors

• Process for Phosphorus Removal with Air Mixed Anaerobic Selectors at Two Large Plants