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Aerobic Granules for the Effective Oxidation of Ammonium Nitrogen
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  • Journal title : Environmental Engineering Research
  • Volume 19, Issue 1,  2014, pp.23-29
  • Publisher : Korean Society of Environmental Engineering
  • DOI : 10.4491/eer.2014.19.1.023
 Title & Authors
Aerobic Granules for the Effective Oxidation of Ammonium Nitrogen
Lee, Hyo Lee; Ryu, Jae Hun; Lee, Youn Pyo; Kim, Tae Seok; Kim, Min Kyeong; Ahn, Do Thi Ngoc; Ahn, Dae Hee;
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In this study, aerobic granules were applied to a lab-scale aerobic granule sludge airlift reactor (AGSAR) and the ammonium nitrogen oxidation performance was evaluated at different ammonium nitrogen loading rate (NLR). At least 99% of the initial ammonium nitrogen was oxidized at an NLR of 0.27 and 0.53 kg , for both aerobic granules (control), and nitrifying aerobic granules (NAGs). The ammonium nitrogen oxidation deteriorated, when the NLR was increased to 1.07 kg . The NAGs were characterized by complete nitrification, while partial nitrification was observed in the control.
Aerobic granular sludge;Ammonium loading rate;Coating;Nitrification;Nitrifying bacteria;
 Cited by
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