Operating Parameters for High Nitrite Accumulation during Nitrification in a Rotating Biological Nitrifying Contactor From: Water Environment Research | Date: September 1, 2007| Author: Antileo, Christian; Roeckel, Marlene; Lindemann, JÃ ¶ rg; Wiesmann, Udo | Copyright Water Environment Federation Sep 2007. Provided by ProQuest LLC.Copyright information

ABSTRACT:

Incomplete nitrification was studied in a completely and partially submerged rotating biological contactor (RBC). In a partially submerged RBC without additional aeration, 50 to 90% nitrite accumulation (α) was achieved at rotation speeds (ω) of 2 to 18 min^sup -1^. In a completely submerged RBC operating during 80 days, a higher α of 96% was achieved at ω = 2 min^sup -1^. Incomplete nitrification in a completely submerged RBC at oxygen concentrations of 1...

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