Current perspectives on the application of N-damo and anammox in wastewater treatment
Maartje AHJ van Kessel (Radboud Universiteit Nijmegen)
Karin Stultiens (Radboud Universiteit Nijmegen)
Monique FW Slegers (Radboud Universiteit Nijmegen)
Simon Guerrero Cruz (Radboud Universiteit Nijmegen)
Mike SM Jetten (Radboud Universiteit Nijmegen, TU Delft - Applied Sciences)
Boran Kartal (Max Planck Institute for Marine Microbiology, Radboud Universiteit Nijmegen)
Huub JM Op den Camp (Radboud Universiteit Nijmegen)
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Abstract
The efficient treatment of wastewater for the removal of nitrogen is of key importance to prevent eutrophication and deoxygenation of receiving water bodies. In addition, ineffective wastewater treatment can be a source of greenhouse gasses. The application of newly discovered microbial processes, such as nitrite/nitrate-dependent methane oxidation (N-damo), can make wastewater treatment systems more sustainable; especially when they are combined with anaerobic ammonium oxidation (anammox). A treatment system based on these microbial processes will need oxygen supply for the production of nitrite. This oxygen may inhibit N-damo and anammox and careful regulation of the oxygen supply is of key importance for the success of the application of N-damo in wastewater treatment.