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March 2013 Nitrogen Removal prepared 2012 Emerging Technologies Technology Summary Deammonification (Sidestream and Mainstream Deammonification and Mainstream Nitrite Shunt) (continued) The second configuration (DEMON) involves a single SBR where the nitritation and anammox processes occur simultaneously and biomass is retained using a hydrocyclone process to promote sludge granulation. The DO is controlled at very low levels (< 0.3 mg/L) along with the pH to monitor nitritation. The third configuration (Anita-MOX, DeAmmon) uses carrier media similar to moving bed bioreactors as a means to retain the anammox organisms in the system. In these attached growth systems, nitritation takes place in the outer biofilm while the anammox bacteria are found in the inner biomass. Completely autotrophic nitrogen removal over nitrite (CANON) and oxygen-limited autotrophic nitrification denitrification (OLAND) are other terms used to identify the processes that are now generically described as deammonification. Comparison to Established Technologies: The deammonification process can save up to 63 percent of the oxygen demand (energy) compared to conventional nitrification/denitrification with nearly 100 percent reduction in carbon demand, 80 percent reduction in biomass production and no additional alkalinity requirement. In comparison, the nitritation/denitritation process can achieve a 25 percent reduction in oxygen (energy) demand, 40 percent reduction in carbon demand, and 40 percent reduction in biomass production when compared to conventional nitrification/denitrification. The deammonification process is completely autotrophic and does not require supplemental carbon (another benefit of deammonification over nitritation/denitritation). Because supplemental carbon is not required for deammonification, biosolids production is very low by comparison to alternative processes. Based on reported data, the deammonification process can achieve up to 95 percent ammonia removal. Because the anammox organisms (planctomycetes) are extremely slow growing, the deammonification process is slow to start without seed organisms from an operating facility, and special care must be taken to retain the biomass to provide the long SRT required. Available Cost Information: Approximate Capital Cost: Not disclosed by the vendor. Approximate O&M Costs: Not disclosed by the vendor. Vendor Name(s): DEMON® – World Water Works, Inc. Chandler Johnson 4000 SW 113th Street Oklahoma City, OK 73173 Telephone: 855-466-2271 Email: CJohnson@worldwaterworks.com Web site: http://www.worldwaterworks.com ANITATM Mox – Veolia Water, Inc. Hong Zhao 401 Harrison Oaks Blvd, Suite 100 Cary, NC 27513 Telephone: 919-677-8310 Installation(s): Full-scale systems have been operated in Europe. The first U.S. installation DEMON) became operational at Hampton Roads Sanitation District in 2012, the process is under construction at Alexandria Sanitation Authority and several other US projects are under design. The technology is available commercially. DEMON® - Nine full-scale side-stream installations are in Austria (Strass), Germany, Switzerland (Glarnerland), Netherlands (Apeldoorn), Finland, and Hungary. The first full-scale US installation has been operating at the HRSD York River WWTP since October 2012. Several installations are under construction in the United States (Alexandria, VA) and several are in the design phase. ANITATM Mox/DeAmmon – Installations are in Sweden (Himmerfjarden, Växjö, and Malmö), Holbæck Denmark, Germany (Hattingen), and China (Dalien). No installations are in the United States, but this process is in the design phase for the HRSD Wastewater Treatment and In-Plant Wet Weather Management 3-17PDF Image | Emerging Tech for Wastewater Treatment
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