Strategies of aerobic ammonia-oxidizing bacteria for coping with nutrient and oxygen fluctuations

J Geets, N Boon, W Verstraete - FEMS microbiology ecology, 2006 - academic.oup.com
In most natural environments as well as in engineered environments, such as wastewater
treatment plants, ammonia-oxidizing bacteria (AOB) experience fluctuating substrate …

Combined niche and neutral effects in a microbial wastewater treatment community

ID Ofiţeru, M Lunn, TP Curtis… - Proceedings of the …, 2010 - National Acad Sciences
It has long been assumed that differences in the relative abundance of taxa in microbial
communities reflect differences in environmental conditions. Here we show that in the …

Quantification of uncultured microorganisms by fluorescence microscopy and digital image analysis

H Daims, M Wagner - Applied microbiology and biotechnology, 2007 - Springer
Traditional cultivation-based methods to quantify microbial abundance are not suitable for
analyses of microbial communities in environmental or medical samples, which consist …

Effects of the residual ammonium concentration on NOB repression during partial nitritation with granular sludge

V Poot, M Hoekstra, MAA Geleijnse… - Water Research, 2016 - Elsevier
Partial nitritation was stably achieved in a bench-scale airlift reactor (1.5 L) containing
granular sludge. Continuous operation at 20° C treating low-strength synthetic wastewater …

Thaumarchaeotes abundant in refinery nitrifying sludges express amoA but are not obligate autotrophic ammonia oxidizers

M Mußmann, I Brito, A Pitcher… - Proceedings of the …, 2011 - National Acad Sciences
Nitrification is a core process in the global nitrogen cycle that is essential for the functioning
of many ecosystems. The discovery of autotrophic ammonia-oxidizing archaea (AOA) within …

Ammonia‐oxidizing communities in a highly aerated full‐scale activated sludge bioreactor: betaproteobacterial dynamics and low relative abundance of Crenarchaea

GF Wells, HD Park, CH Yeung… - Environmental …, 2009 - Wiley Online Library
Ammonia‐oxidizing bacteria (AOB) have long been considered key to the removal of
nitrogen in activated sludge bioreactors. Culture‐independent molecular analyses have …

Experimental demonstration of chaotic instability in biological nitrification

DW Graham, CW Knapp, ES Van Vleck… - The ISME …, 2007 - academic.oup.com
Biological nitrification (that is, NH3→ NO2−→ NO3−) is a key reaction in the global nitrogen
cycle (N-cycle); however, it is also known anecdotally to be unpredictable and sometimes …

Micropollutant biotransformation kinetics associate with WWTP process parameters and microbial community characteristics

DE Helbling, DR Johnson, M Honti… - Environmental science & …, 2012 - ACS Publications
The objective of this work was to identify relevant wastewater treatment plant (WWTP)
parameters and underlying microbial processes that influence the biotransformation of a …

The influence of dissolved oxygen on partial nitritation/anammox performance and microbial community of the 200,000 m3/d activated sludge process at the Changi …

Y Cao, BH Kwok, MCM Van Loosdrecht… - Water Science and …, 2018 - iwaponline.com
Mainstream partial nitritation/anammox (PN/A), coupled with excess biological phosphorus
removal, in a 200,000 m3/d step-feed activated sludge process (Train 2) in the Changi Water …

Outdoor pilot-scale raceway as a microalgae-bacteria sidestream treatment in a WWTP

M Mantovani, F Marazzi, R Fornaroli, M Bellucci… - Science of the Total …, 2020 - Elsevier
This study aims at demonstrating the feasibility of using microalgae-bacteria consortia for the
treatment of the sidestream flow of the supernatant from blackwater dewatering (centrate) in …