Enrichment and Aggregation of Purple Non-sulfur Bacteria in a Mixed-Culture Sequencing-Batch Photobioreactor for Biological Nutrient Removal From Wastewater.
bioaggregation
biological wastewater treatment
environmental biotechnology
microbial ecology
mixed-culture biotechnology
purple phototrophic bacteria
resource recovery
sequencing batch reactor
Journal
Frontiers in bioengineering and biotechnology
ISSN: 2296-4185
Titre abrégé: Front Bioeng Biotechnol
Pays: Switzerland
ID NLM: 101632513
Informations de publication
Date de publication:
2020
2020
Historique:
received:
29
04
2020
accepted:
23
11
2020
entrez:
4
1
2021
pubmed:
5
1
2021
medline:
5
1
2021
Statut:
epublish
Résumé
Mixed-culture biotechnologies are widely used to capture nutrients from wastewater. Purple non-sulfur bacteria (PNSB), a guild of anoxygenic photomixotrophic organisms, rise interest for their ability to directly assimilate nutrients in the biomass. One challenge targets the aggregation and accumulation of PNSB biomass to separate it from the treated water. Our aim was to enrich and produce a concentrated, fast-settling PNSB biomass with high nutrient removal capacity in a 1.5-L, stirred-tank, anaerobic sequencing-batch photobioreactor (SBR). PNSB were rapidly enriched after inoculation with activated sludge at 0.1 gVSS L
Identifiants
pubmed: 33392158
doi: 10.3389/fbioe.2020.557234
pmc: PMC7773948
doi:
Types de publication
Journal Article
Langues
eng
Pagination
557234Informations de copyright
Copyright © 2020 Cerruti, Stevens, Ebrahimi, Alloul, Vlaeminck and Weissbrodt.
Déclaration de conflit d'intérêts
The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.
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