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Emerging Technologies March 2013 Nitrogen Removal prepared 2012 Technology Summary Nitritation and Denitritation (Sidestream) (continued) Comparison to Established Technologies: The nitritation and denitritation process offers energy and carbon savings compared to conventional nitrification and denitrification processes. Up to 25 percent less oxygen and 40 percent less carbon are consumed compared to conventional nitrification and denitrification. Because less carbon is required, there is also less sludge production—as much as 40 percent less. According to European data, the average nitrogen removal efficiency is in the range of 85 to 95 percent. On average 70 percent of the nitrogen load is converted via nitrite. The nitritation and denitritation process has the following advantages: low investment and low operational costs, no chemical by-products, insensitive to high influent suspended solids levels, and negligible odor emission. Compared to bioaugmentation processes for sidestream treatment, the tankage requirements for nitritation are smaller, and the process is somewhat simpler to operate. Because nitritation-denitritation is less resource efficient than deammonification, the nitritation process is more attractive as part of the deammonification process. Available Cost Information: Approximate Capital Cost: Not disclosed by vendor. Approximate O&M Costs: Not disclosed by vendor. Vendor Name(s): Grontmij UK (SHARON Process) Grove House, Mansion Gate Drive LS7 4DN Leeds, United Kingdom Telephone:+44 113 262 0000 / +44 845 074 285 Email: enquiries.uk@grontmij.co.uk Delft University of Technology (SHARON Process) Dr. Ir. Mark van Loosdrecht Department of Biotechnology Julianalaan 67 2628 BC Delft The Netherlands Telephone: 31-15-278 1618 Email: mark.vanLoosdrecht@tnw.tudelft.nl Cyklar-Stulz (Strass SBR Process) CH-8737 Gommiswald Rietwiesstrasse 39 Switzerland Telephone: 41-55-290-11-41 Fax: 41-55-290-11-43 Email: info@cyklar.ch Web site: http://www.cykar.ch Key Words for Internet Search: Installation(s): SHARON Process One full-scale application is under construction in Wards Island, New York City, NY. Six facilities are in operation worldwide Wards Island, NY Geneva, Switzerland Paris, France MVPC Shell Green, Manchester, U.K. Whitlingham, Norwich, U.K. Garmerwolde, Netherlands Beverwijk, Netherlands Rotterdam, Netherlands Utrecht, Netherlands Strass SBR Process Strass, Austria (has now been converted to use the DEMON deammonification process) Salzburg, Austria Nitritation, denitritation, SHARON process, sidestream process, SBR Nitritation-Denitritation process 3-20 Wastewater Treatment and In-Plant Wet Weather ManagementPDF Image | Emerging Tech for Wastewater Treatment
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