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 Severn Trent Services
Booth 24067, Hall B
TETRA® Denite® System
Severn Trent Services offers the TETRA® Denite® System for the removal of nitrate-nitrogen (NO3-N) and suspended solids (SS) in a single treatment step. Denite is a fixed-film biological denitrification process that also serves as a deep bed filtration system capable of removing suspended solids to virtually any final effluent requirement. The system integrates well with other plant treatment processes to provide superior total nitrogen (TN) and phosphorous removal. Denite is used as the final treatment step in the total nitrogen removal process to help each facility meet stringent TN discharge limits of 3 mg/l.
The specially sized and shaped granular media used in the Denite process is an excellent support medium for denitrifying bacteria and the deep bed environment is conducive to efficient NO3-N and solids removal. The contact between wastewater and biomass is excellent and hydraulic short-circuiting is negligible even during plant upsets. The media allows for heavy capture of solids of at least 1.0 pound of solids per square foot of filter surface area before backwashing is required. The TETRA SpeedBump® technology is used to release entrapped nitrogen gas into the atmosphere without stopping flow to the reactors.
For more information on the TETRA® Denite® System, click here.
Severn Trent Services
Park West One, Suite 600
Cliff Mine Road
Pittsburgh, PA 15275
Phone: 800-364-1600
Fax: +1-412-788-8303
E-mail: Info@severntrentservices.com
www.severntrentservices.com
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