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Aaron Marc Saunders
Aalborg University
Activated sludgePolyphosphate-accumulating organismsEnhanced biological phosphorus removalSewage treatmentBiology
65Publications
26H-index
2,745Citations
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Publications 66
Newest
#1Ana Lanham (University of Bath)H-Index: 6
#2Adrian Oehmen (UQ: University of Queensland)H-Index: 34
Last. Maria A.M. ReisH-Index: 51
view all 6 authors...
A comprehensive assessment of full-scale enhanced biological phosphorus removal (EBPR) plants (five plants, 19 independent tests) was undertaken to determine their effectiveness in terms of aerobic and anoxic P removal. By comparing parallel P uptake tests under only aerobic or under anoxic-aerobic conditions, results revealed that introducing an anoxic stage led to an overall P removal of on average 90% of the P removed under only aerobic conditions. This was achieved with negligible higher PHA...
2 CitationsSource
#1Jo De Vrieze (UGent: Ghent University)H-Index: 20
#2I Umer Zeeshan (Glas.: University of Glasgow)H-Index: 19
Last. Susanne Theuerl (Leibniz Association)H-Index: 6
view all 4 authors...
The microbial community in anaerobic digestion has been analysed through microbial fingerprinting techniques, such as terminal restriction fragment length polymorphism (TRFLP), for decades. In the last decade, high-throughput 16S rRNA gene amplicon sequencing has replaced these techniques, but the time-consuming and complex nature of high-throughput techniques is a potential bottleneck for full-scale anaerobic digestion application, when monitoring community dynamics. Here, the bacterial and arc...
3 CitationsSource
#1Mie Bech Lukassen (AAU: Aalborg University)H-Index: 3
#2Aaron Marc Saunders (AAU: Aalborg University)H-Index: 26
Last. Jeppe Lund Nielsen (AAU: Aalborg University)H-Index: 48
view all 4 authors...
Abstract Earthy off-flavour, caused by geosmin, constitutes an economic problem in recirculating aquaculture systems (RAS). Cyanobacteria, Streptomyces and myxobacteria are thought to be the main geosmin-producing bacteria in aquatic systems. In this study, the phylogeny of the gene involved in the geosmin production, geosmin synthase gene (geoA), was investigated. The results revealed an absence of multiple horizontal gene transfer, and therefore, the gene might be suited as a molecular marker ...
8 CitationsSource
#1Ana Lanham (EPSRC: Engineering and Physical Sciences Research Council)H-Index: 6
#2Adrian Oehmen (NOVA: Universidade Nova de Lisboa)H-Index: 34
Last. Maria A.M. Reis (NOVA: Universidade Nova de Lisboa)H-Index: 51
view all 6 authors...
This study investigates, for the first time, the application of metabolic models incorporating polyphosphate accumulating organisms (PAOs) and glycogen accumulating organisms (GAOs) towards describing the biochemical transformations of full-scale enhanced biological phosphorus removal (EBPR) activated sludge from wastewater treatment plants (WWTPs). For this purpose, it was required to modify previous metabolic models applied to lab-scale systems by incorporating the anaerobic utilisation of the...
#1Marta NierychloH-Index: 12
#2Aaron Marc SaundersH-Index: 26
Last. P Halkjaer NielsenH-Index: 73
view all 5 authors...
#1Ana F. Silva (NOVA: Universidade Nova de Lisboa)H-Index: 5
#2Sílvia Antunes (NOVA: Universidade Nova de Lisboa)H-Index: 5
Last. Gilda Carvalho (NOVA: Universidade Nova de Lisboa)H-Index: 26
view all 9 authors...
Membrane bioreactors (MBRs) are an advanced technology for wastewater treatment whose wide application has been hindered by rapid fouling of the membranes. MBRs can be operated with long sludge retention time (SRT), a crucial parameter impacting microbial selection in the reactor. This also affects filtration performance, since a major fouling agent are the extracellular polymeric substances (EPS). In this study, the impact of the SRT on the ecophysiology of the MBRs and, consequently, on membra...
8 CitationsSource
#1Mie Bech LukassenH-Index: 3
#2Aaron Marc SaundersH-Index: 26
Last. Jeppe Lund NielsenH-Index: 48
view all 3 authors...
#1Marta NierychloH-Index: 12
#2Simon Jon McIlroyH-Index: 20
Last. P Halkjaer NielsenH-Index: 73
view all 8 authors...
#1Simon Jon McIlroy (AAU: Aalborg University)H-Index: 20
#2Anna Starnawska (AAU: Aalborg University)H-Index: 1
Last. Jeppe Lund Nielsen (AAU: Aalborg University)H-Index: 48
view all 7 authors...
Summary Denitrification is essential to the removal of nitrogen from wastewater during treatment, yet an understanding of the diversity of the active denitrifying bacteria responsible in full-scale wastewater treatment plants (WWTPs) is lacking. In this study, stable-isotope probing (SIP) was applied in combination with microautoradiography (MAR)-fluorescence in situ hybridization (FISH) to identify previously unrecognized active denitrifying phylotypes in a full-scale WWTP with biological N and...
60 CitationsSource
#1Aaron Marc SaundersH-Index: 26
#2Mads AlbertsenH-Index: 25
Last. P Halkjaer Nielsen (AAU: Aalborg University)H-Index: 73
view all 4 authors...
Understanding the microbial ecology of a system requires that the observed population dynamics can be linked to their metabolic functions. However, functional characterization is laborious and the choice of organisms should be prioritized to those that are frequently abundant (core) or transiently abundant, which are therefore putatively make the greatest contribution to carbon turnover in the system. We analyzed the microbial communities in 13 Danish wastewater treatment plants with nutrient re...
165 CitationsSource
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