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Biological Nutrient Removal

Biological nutrient removal (BNR) processes promise to address increasingly stringent regulations as well as rising energy and chemical costs. 

The Working Group identified BNR as a topic of high interest and the first technology focus area for the program. Since initiation of the focus area, WRF hosted an online sidestream deammonification workshop in September 2012, a two-day workshop in December 2012, and a full-plant deammonification for energy positive nitrogen removal meeting in November 2013.

Based on the November 2013 meeting conversations, WRF and WEF created a shortcut nitrogen removal state-of-the-art consensus document. 

Chair: Charles Bott, Chief of Research and Development, Hampton Roads Sanitation District

Vice-Chair: Heng Zhang, Assistant Director of Monitoring and Research, Metropolitan Water Reclamation District of Greater Chicago


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