A 20-year journey of partial nitritation and anammox (PN/A): from sidestream toward mainstream

Z Wang, M Zheng, H Duan, Z Yuan… - Environmental Science & …, 2022 - ACS Publications
Ana erobic amm onium ox idation (anammox) was discovered as a new microbial reaction in
the late 1990s, which led to the development of an innovative energy-and carbon-efficient …

Nitrite oxidation in wastewater treatment: microbial adaptation and suppression challenges

Z Su, T Liu, J Guo, M Zheng - Environmental Science & …, 2023 - ACS Publications
Microbial nitrite oxidation is the primary pathway that generates nitrate in wastewater
treatment systems and can be performed by a variety of microbes: namely, nitrite-oxidizing …

Toward energy neutrality: novel wastewater treatment incorporating acidophilic ammonia oxidation

Z Hu, T Liu, Z Wang, J Meng… - Environmental Science & …, 2023 - ACS Publications
Chemically enhanced primary treatment (CEPT) followed by partial nitritation and anammox
(PN/A) and anaerobic digestion (AD) is a promising roadmap to achieve energy-neutral …

[HTML][HTML] One-year stable pilot-scale operation demonstrates high flexibility of mainstream anammox application

M Zheng, H Li, H Duan, T Liu, Z Wang, J Zhao, Z Hu… - Water Research X, 2023 - Elsevier
Mainstream nitrogen removal via anammox is widely recognized as a promising wastewater
treatment process. However, its application is challenging at large scale due to unstable …

[HTML][HTML] The roles of free ammonia (FA) in biological wastewater treatment processes: A review

Y Liu, HH Ngo, W Guo, L Peng, D Wang, B Ni - Environment international, 2019 - Elsevier
Free ammonia (FA) can pose inhibitory and/or biocidal effects on a variety of
microorganisms involved in different biological wastewater treatment process, which is …

Quantify the contribution of anammox for enhanced nitrogen removal through metagenomic analysis and mass balance in an anoxic moving bed biofilm reactor

J Li, Y Peng, L Zhang, J Liu, X Wang, R Gao, L Pang… - Water Research, 2019 - Elsevier
In this study, enhanced nitrogen removal through in situ enrichment of anammox bacteria
was successfully obtained in a full-scale municipal wastewater treatment plant (WWTP). The …

Mainstream partial nitritation–anammox in municipal wastewater treatment: status, bottlenecks, and further studies

Y Cao, MCM van Loosdrecht, GT Daigger - Applied microbiology and …, 2017 - Springer
Driven by energy neutral/positive of wastewater treatment plants, significant efforts have
been made on the research and development of mainstream partial nitritation and anaerobic …

Impacts of organics on the microbial ecology of wastewater anammox processes: Recent advances and meta-analysis

R Xiao, BJ Ni, S Liu, H Lu - Water Research, 2021 - Elsevier
Anaerobic ammonium oxidation (anammox) represents a promising technology for
wastewater nitrogen removal. Organics management is critical to achieving efficient and …

Biological nitrogen removal from sewage via anammox: recent advances

B Ma, S Wang, S Cao, Y Miao, F Jia, R Du… - Bioresource technology, 2016 - Elsevier
Biological nitrogen removal from sewage via anammox is a promising and feasible
technology to make sewage treatment energy-neutral or energy-positive. Good retention of …

Integrating conventional nitrogen removal with anammox in wastewater treatment systems: Microbial metabolism, sustainability and challenges

HE Al-Hazmi, GK Hassan, M Maktabifard… - Environmental …, 2022 - Elsevier
The various forms of nitrogen (N), including ammonium (NH 4+), nitrite (NO 2−), and nitrate
(NO 3−), present in wastewaters can create critical biotic stress and can lead to hazardous …