How to provide nitrite robustly for anaerobic ammonium oxidation in mainstream nitrogen removal

K Wang, J Li, X Gu, H Wang, X Li… - … Science & Technology, 2023 - ACS Publications
Innovation in decarbonizing wastewater treatment is urgent in response to global climate
change. The practical implementation of anaerobic ammonium oxidation (anammox) …

A critical review of comammox and synergistic nitrogen removal coupling anammox: Mechanisms and regulatory strategies

D Jin, X Zhang, X Zhang, L Zhou, Z Zhu… - Science of The Total …, 2024 - Elsevier
Nitrification is highly crucial for both anammox systems and the global nitrogen cycle. The
discovery of complete ammonia oxidation (comammox) challenges the inherent concept of …

Competitive enrichment of comammox Nitrospira in floccular sludge

J Hou, Y Zhu, J Liu, L Lin, M Zheng, L Yang, W Wei… - Water Research, 2024 - Elsevier
The discovery of complete ammonium oxidation (comammox) has subverted the traditional
perception of two-step nitrification, which plays a key role in achieving biological nitrogen …

Enhancing the relative abundance of comammox nitrospira in ammonia oxidizer community decreases N2O emission in nitrification exponentially

Z Ren, D Li, Z Zhang, W Sun, G Liu - Chemosphere, 2024 - Elsevier
Comammox Nitrospira and canonical ammonia-oxidizing bacteria (cAOB) generally coexist
in activated sludge. In present study, the effect of comammox Nitrospira on N 2 O production …

Effect of different dissolved oxygen enrichment incubation conditions on the realization of partial nitrification under microaerobic condition

Y Bian, K Fu, W Yang, J Kang, Z Li, X Li, H Xi… - Journal of Water Process …, 2024 - Elsevier
The realization of low-carbon and energy-efficient partial nitrification (PN) under mainstream
conditions continues to face serious challenges due to the complex symbiotic and …

Model-based development of strategies enabling effective enrichment and application of comammox bacteria in floccular sludge under mainstream conditions

Y Zhu, J Hou, J Liu, P Huo, L Yang, M Zheng… - Science of the Total …, 2023 - Elsevier
The discovery of complete ammonium oxidation (comammox) has redefined the perception
of the nitrification process which plays a vital part in biological nitrogen removal (BNR) from …

Future directions in microbial nitrogen cycling in wastewater treatment

DR Shaw, A Terada, PE Saikaly - Current Opinion in Biotechnology, 2024 - Elsevier
Highlights•Nitrogen cycle advances drive sustainable wastewater treatment innovation.•
Comammox microaerophilic nature allows energy-efficient complete nitrogen …

Journey of the Swift Nitrogen Transformation: Unveiling Comammox from Discovery to Deep Understanding

Z Guo, XS Ma, SQ Ni - Chemosphere, 2024 - Elsevier
ABSTRACT COMplete AMMonia OXidizer (comammox) refers to microorganisms that have
the function of oxidizing NH 4+ to NO 3-alone. The discovery of comammox overturned the …

Insights into soil autotrophic ammonium oxidization under microplastics stress: Crossroads of nitrification, comammox, anammox and Feammox

Y She, X Qi, Z Li - Journal of Hazardous Materials, 2024 - Elsevier
Microplastics (MPs) are widespread in agroecosystems and profoundly impact soil
microbiome and nutrient cycling. However, the effects of MPs on soil autotrophic ammonium …

Role of comammox bacteria in granular bioreactor for nitrogen removal via partial nitritation/anammox

Y Zhu, J Hou, F Meng, H Lu, Y Zhang, BJ Ni… - Bioresource …, 2024 - Elsevier
In this study, two bioprocess models were first constructed with the newly-discovered
comammox process described as one-step and two-step nitrification and evaluated against …