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Enrichment and adaptation yield high anammox conversion rates under low temperatures

Pieter De Cocker UGent, Y. Bessiere, G. Hernandez-Raquet, S. Dubos, I. Mozo, G. Gaval, M. Caligaris, B. Barillon, Siegfried Vlaeminck UGent and M. Sperandio (2018) BIORESOURCE TECHNOLOGY. 250. p.505-512
abstract
This study compared two anammox sequencing batch reactors (SBR) for one year. SBRconstantT was kept at 30 degrees C while temperature in SBRloweringT was decreased step-wise from 30 degrees C to 20 degrees C and 15 degrees C followed by over 140 days at 12.5 degrees C and 10 degrees C. High retention of anammox bacteria (AnAOB) and minimization of competition with AnAOB were key. 5-L anoxic reactors with the same inoculum were fed synthetic influent containing 25.9 mg NH4+-N/L and 34.1 mg NO2--N/L (no COD). Specific ammonium removal rates continuously increased in SBRconstantT, reaching 785 mg NH4+-N/gVSS/d, and were maintained in SBRloweringT, reaching 82.2 and 91.8 mg NH4+-N/gVSS/d at 12.5 and 10 degrees C respectively. AnAOB enrichment (increasing hzsA and 16S rDNA gene concentrations) and adaptation (shift from Ca. Brocadia to Ca. Kuenenia in SBRloweringT) contributed to these high rates. Rapidly settling granules developed, with average diameters of 1.2 (SBRconstantT) and 1.6 mm (SBRloweringT). Results reinforce the potential of anammox for mainstream applications.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
journal title
BIORESOURCE TECHNOLOGY
volume
250
pages
505 - 512
Web of Science type
J
Web of Science id
000430740000062
ISSN
0960-8524
1873-2976
DOI
10.1016/j.biortech.2017.11.079
UGent publication?
yes
classification
U
id
8562248
handle
http://hdl.handle.net/1854/LU-8562248
date created
2018-05-18 11:51:06
date last changed
2018-05-18 11:51:12
@article{8562248,
  abstract     = {This study compared two anammox sequencing batch reactors (SBR) for one year. SBRconstantT was kept at 30 degrees C while temperature in SBRloweringT was decreased step-wise from 30 degrees C to 20 degrees C and 15 degrees C followed by over 140 days at 12.5 degrees C and 10 degrees C. High retention of anammox bacteria (AnAOB) and minimization of competition with AnAOB were key. 5-L anoxic reactors with the same inoculum were fed synthetic influent containing 25.9 mg NH4+-N/L and 34.1 mg NO2--N/L (no COD). Specific ammonium removal rates continuously increased in SBRconstantT, reaching 785 mg NH4+-N/gVSS/d, and were maintained in SBRloweringT, reaching 82.2 and 91.8 mg NH4+-N/gVSS/d at 12.5 and 10 degrees C respectively. AnAOB enrichment (increasing hzsA and 16S rDNA gene concentrations) and adaptation (shift from Ca. Brocadia to Ca. Kuenenia in SBRloweringT) contributed to these high rates. Rapidly settling granules developed, with average diameters of 1.2 (SBRconstantT) and 1.6 mm (SBRloweringT). Results reinforce the potential of anammox for mainstream applications.},
  author       = {De Cocker, Pieter and Bessiere, Y. and Hernandez-Raquet, G. and Dubos, S. and Mozo, I. and Gaval, G. and Caligaris, M. and Barillon, B. and Vlaeminck, Siegfried and Sperandio, M.},
  issn         = {0960-8524},
  journal      = {BIORESOURCE TECHNOLOGY},
  pages        = {505--512},
  title        = {Enrichment and adaptation yield high anammox conversion rates under low temperatures},
  url          = {http://dx.doi.org/10.1016/j.biortech.2017.11.079},
  volume       = {250},
  year         = {2018},
}

Chicago
De Cocker, Pieter, Y. Bessiere, G. Hernandez-Raquet, S. Dubos, I. Mozo, G. Gaval, M. Caligaris, B. Barillon, Siegfried Vlaeminck, and M. Sperandio. 2018. “Enrichment and Adaptation Yield High Anammox Conversion Rates Under Low Temperatures.” Bioresource Technology 250: 505–512.
APA
De Cocker, P., Bessiere, Y., Hernandez-Raquet, G., Dubos, S., Mozo, I., Gaval, G., Caligaris, M., et al. (2018). Enrichment and adaptation yield high anammox conversion rates under low temperatures. BIORESOURCE TECHNOLOGY, 250, 505–512.
Vancouver
1.
De Cocker P, Bessiere Y, Hernandez-Raquet G, Dubos S, Mozo I, Gaval G, et al. Enrichment and adaptation yield high anammox conversion rates under low temperatures. BIORESOURCE TECHNOLOGY. 2018;250:505–12.
MLA
De Cocker, Pieter, Y. Bessiere, G. Hernandez-Raquet, et al. “Enrichment and Adaptation Yield High Anammox Conversion Rates Under Low Temperatures.” BIORESOURCE TECHNOLOGY 250 (2018): 505–512. Print.