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Deep Bed Denitrification Filter
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Deep Bed Denitrification Filter
The denitrifying deep bed filter is a wastewater treatment unit that combines biological deamination and filtration functions. It uses specially sized and shaped quartz sand as the medium for denitrifying microorganisms. The deep bed is also effective in removing nitrate nitrogen (NO3-N) and suspended solids. With the addition of a good carbon source, the denitrifying bacteria that grow on the surface of the quartz sand convert NO3-N into N2, completing the deamination process. The denitrifying deep bed filter integrates multiple functions, including physical retention of suspended solids (SS), chemical micro-flocculation for phosphorus removal (TP), and biological denitrification for nitrogen removal (TN).
In the presence of an added carbon source, the deep bed denitrifying filter can remove TN, SS, and TP. Without the added carbon source, it functions as a deep bed filter that can simultaneously remove SS and TP.
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