Assessing nitrogen transformation processes in a trickling filter under hydraulic loading rate constraints using nitrogen functional gene abundances.

Abstract

A study was conducted of treatment performance and nitrogen transformation processes in a trickling filter (TF) used to treat micro-polluted source water under variable hydraulic loading rates (HLRs), ranging from 1.0 to 3.0 m(3)/m(2) d. The TF achieved high and stable COD (97.7-99.3%) and NH4(+)-N (67.3-92.7%) removal efficiencies. Nitrification and… (More)
DOI: 10.1016/j.biortech.2014.11.094

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