An integrative review of granular sludge for the biological removal of nutrients and recalcitrant organic matter from wastewater

MKH Winkler, C Meunier, O Henriet, J Mahillon… - Chemical Engineering …, 2018 - Elsevier
Granular sludge aggregates are particular types of biofilms that display significantly different
metrics and physical-chemical characteristics than activated sludge flocs. The efficiency of …

The pH dependency of N‐converting enzymatic processes, pathways and microbes: effect on net N2O production

JM Blum, Q Su, Y Ma, B Valverde‐Pérez… - Environmental …, 2018 - Wiley Online Library
Nitrous oxide (N2O) is emitted during microbiological nitrogen (N) conversion processes,
when N2O production exceeds N2O consumption. The magnitude of N2O production vs …

Discovery of a new genus of anaerobic ammonium oxidizing bacteria with a mechanism for oxygen tolerance

Y Yang, Z Lu, M Azari, B Kartal, H Du, M Cai… - Water Research, 2022 - Elsevier
In the past 20 years, there has been a major stride in understanding the core mechanism of
anaerobic ammonium-oxidizing (anammox) bacteria, but there are still several discussion …

Particle size-dependent behavior of redox-active biochar to promote anaerobic ammonium oxidation (anammox)

J Xu, C Li, N Zhu, Y Shen, H Yuan - Chemical Engineering Journal, 2021 - Elsevier
Abstract Nitrate (NO 3−) accumulation in effluent decreases the biological nitrogen
performance of anammox process for wastewater treatment. Redox-active biochar has been …

Evaluation of mainstream nitrogen removal by simultaneous partial nitrification, anammox and denitrification (SNAD) process in a granule-based reactor

T Liu, B Ma, X Chen, BJ Ni, Y Peng, J Guo - Chemical Engineering Journal, 2017 - Elsevier
The mainstream anaerobic ammonium oxidation (anammox) has attracted extensive
attention recently, particularly due to its potential of transforming current wastewater …

Comparative genome-centric analysis of freshwater and marine ANAMMOX cultures suggests functional redundancy in nitrogen removal processes

M Ali, DR Shaw, M Albertsen, PE Saikaly - Frontiers in microbiology, 2020 - frontiersin.org
There is a lack of understanding of the interaction between anammox bacteria and the
flanking microbial communities in both freshwater (non-saline) and marine (saline) …

Larger anammox granules not only harbor higher species diversity but also support more functional diversity

H Chen, T Liu, J Li, L Mao, J Ye, X Han… - Environmental …, 2020 - ACS Publications
Granule-based partial nitritation and anammox (PN/A) represents one of the most energy-
efficient biotechniques for ammonium removal from wastewater. The PN/A granules appear …

Mechanisms of microbial co-aggregation in mixed anaerobic cultures

A Doloman, DZ Sousa - Applied Microbiology and Biotechnology, 2024 - Springer
Co-aggregation of anaerobic microorganisms into suspended microbial biofilms
(aggregates) serves ecological and biotechnological functions. Tightly packed aggregates of …

[HTML][HTML] Diversity of anaerobic ammonium oxidation processes in nature

P Srivastava, GP Marquez, S Gupta, Y Mittal… - Chemical Engineering …, 2024 - Elsevier
Complete nitrogen removal depends on the requirement of oxygen as an electron acceptor
and organics as electron donors. In the natural environment, these electron acceptors and …

[HTML][HTML] Unifying concepts in methanogenic, aerobic, and anammox sludge granulation

S Mills, AC Trego, M Prevedello, J De Vrieze… - Environmental Science …, 2024 - Elsevier
The retention of dense and well-functioning microbial biomass is crucial for effective
pollutant removal in several biological wastewater treatment technologies. High solids …