Nitrogen Removal Applied Research Program
Client: New York City DEP
| In response to the need to limit the discharges of nitrogen into Long Island Sound, New York City is engaged in a long-term program to upgrade its wastewater treatment plants. As part of this program, Metcalf & Eddy has piloted alternative biological nutrient removal (BNR) technologies and is now running a $20 million research facility for NYCDEP. M&E won a 2001 ACEC Engineering Grand Excellence Award for a DNA sequencing study that helps optimize the BNR process and potentially reduces costs. More recently, M&E won a National Research Technology Award from AMSA for a research project on an innovative dual-stage sludge digestion process implemented for the New York City system.
M&E services included:
- Piloting of BNR removal technologies
- Preparation of a nitrogen control feasibility plan that identifies feasible technologies for each plant
- Design of the first ever SHARON process facility in the U.S.
- Development of a long-term plan and master schedule
- Management of a full-scale laboratory for chemical analysis and biological identification
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