Microbial ecology dynamics of a partial nitritation bioreactor with Polar Arctic Circle activated sludge operating at low temperature

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Microbial ecology dynamics of a partial nitritation bioreactor with Polar Arctic Circle activated sludge operating at low temperature. / Rodriguez-Sanchez, Alejandro; Muñoz-Palazon, Barbara; Hurtado-Martinez, Miguel; Maza-Marquez, Paula; Gonzalez-Lopez, Jesus; Vahala, Riku; Gonzalez-Martinez, Alejandro.

In: Chemosphere, Vol. 225, 01.06.2019, p. 73-82.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Rodriguez-Sanchez, A, Muñoz-Palazon, B, Hurtado-Martinez, M, Maza-Marquez, P, Gonzalez-Lopez, J, Vahala, R & Gonzalez-Martinez, A 2019, 'Microbial ecology dynamics of a partial nitritation bioreactor with Polar Arctic Circle activated sludge operating at low temperature' Chemosphere, vol. 225, pp. 73-82. https://doi.org/10.1016/j.chemosphere.2019.03.012

APA

Rodriguez-Sanchez, A., Muñoz-Palazon, B., Hurtado-Martinez, M., Maza-Marquez, P., Gonzalez-Lopez, J., Vahala, R., & Gonzalez-Martinez, A. (2019). Microbial ecology dynamics of a partial nitritation bioreactor with Polar Arctic Circle activated sludge operating at low temperature. Chemosphere, 225, 73-82. https://doi.org/10.1016/j.chemosphere.2019.03.012

Vancouver

Author

Rodriguez-Sanchez, Alejandro ; Muñoz-Palazon, Barbara ; Hurtado-Martinez, Miguel ; Maza-Marquez, Paula ; Gonzalez-Lopez, Jesus ; Vahala, Riku ; Gonzalez-Martinez, Alejandro. / Microbial ecology dynamics of a partial nitritation bioreactor with Polar Arctic Circle activated sludge operating at low temperature. In: Chemosphere. 2019 ; Vol. 225. pp. 73-82.

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@article{75583bafe2d64e4f94f73f63190eae26,
title = "Microbial ecology dynamics of a partial nitritation bioreactor with Polar Arctic Circle activated sludge operating at low temperature",
abstract = "A lab-scale partial nitritation SBR was operated at 11 °C for 300 days used for the treatment of high-ammonium wastewater, which was inoculated with activated sludge from Rovaniemi WWTP (located in Polar Arctic Circle) in order to evaluate the influence the temperature on the performance, stability and dynamics of its microbial community. The partial nitritation achieved steady-state long-term operation and granulation process was not affected despite the low temperature and high ammonia concentration. The steady conditions were reached after 60 days of operation where the granular biomass was fully-formed and the 50{\%}–50{\%} of ammonium-nitrite effluent was successful achieved. Inoculation with cold adapted inoculum showed to yield bigger, denser granules with faster start-up without necessity of low temperature adaptation period. Next-generation sequences techniques showed that Trichosporonaceae and Xanthomonadaceae were the dominant OTUs in the mature granules. Our study could be useful in the implementation of full-scale partial nitritation reactors in cold regions such as Nordic countries for treating wastewater with high concentration of ammonium.",
keywords = "High-ammonium concentration, Low temperature, Microbial community, Next-generation sequences techniques, Partial nitritation, Polar arctic circle",
author = "Alejandro Rodriguez-Sanchez and Barbara Mu{\~n}oz-Palazon and Miguel Hurtado-Martinez and Paula Maza-Marquez and Jesus Gonzalez-Lopez and Riku Vahala and Alejandro Gonzalez-Martinez",
year = "2019",
month = "6",
day = "1",
doi = "10.1016/j.chemosphere.2019.03.012",
language = "English",
volume = "225",
pages = "73--82",
journal = "Chemosphere",
issn = "0045-6535",
publisher = "Elsevier Limited",

}

RIS - Download

TY - JOUR

T1 - Microbial ecology dynamics of a partial nitritation bioreactor with Polar Arctic Circle activated sludge operating at low temperature

AU - Rodriguez-Sanchez, Alejandro

AU - Muñoz-Palazon, Barbara

AU - Hurtado-Martinez, Miguel

AU - Maza-Marquez, Paula

AU - Gonzalez-Lopez, Jesus

AU - Vahala, Riku

AU - Gonzalez-Martinez, Alejandro

PY - 2019/6/1

Y1 - 2019/6/1

N2 - A lab-scale partial nitritation SBR was operated at 11 °C for 300 days used for the treatment of high-ammonium wastewater, which was inoculated with activated sludge from Rovaniemi WWTP (located in Polar Arctic Circle) in order to evaluate the influence the temperature on the performance, stability and dynamics of its microbial community. The partial nitritation achieved steady-state long-term operation and granulation process was not affected despite the low temperature and high ammonia concentration. The steady conditions were reached after 60 days of operation where the granular biomass was fully-formed and the 50%–50% of ammonium-nitrite effluent was successful achieved. Inoculation with cold adapted inoculum showed to yield bigger, denser granules with faster start-up without necessity of low temperature adaptation period. Next-generation sequences techniques showed that Trichosporonaceae and Xanthomonadaceae were the dominant OTUs in the mature granules. Our study could be useful in the implementation of full-scale partial nitritation reactors in cold regions such as Nordic countries for treating wastewater with high concentration of ammonium.

AB - A lab-scale partial nitritation SBR was operated at 11 °C for 300 days used for the treatment of high-ammonium wastewater, which was inoculated with activated sludge from Rovaniemi WWTP (located in Polar Arctic Circle) in order to evaluate the influence the temperature on the performance, stability and dynamics of its microbial community. The partial nitritation achieved steady-state long-term operation and granulation process was not affected despite the low temperature and high ammonia concentration. The steady conditions were reached after 60 days of operation where the granular biomass was fully-formed and the 50%–50% of ammonium-nitrite effluent was successful achieved. Inoculation with cold adapted inoculum showed to yield bigger, denser granules with faster start-up without necessity of low temperature adaptation period. Next-generation sequences techniques showed that Trichosporonaceae and Xanthomonadaceae were the dominant OTUs in the mature granules. Our study could be useful in the implementation of full-scale partial nitritation reactors in cold regions such as Nordic countries for treating wastewater with high concentration of ammonium.

KW - High-ammonium concentration

KW - Low temperature

KW - Microbial community

KW - Next-generation sequences techniques

KW - Partial nitritation

KW - Polar arctic circle

UR - http://www.scopus.com/inward/record.url?scp=85063113460&partnerID=8YFLogxK

U2 - 10.1016/j.chemosphere.2019.03.012

DO - 10.1016/j.chemosphere.2019.03.012

M3 - Article

VL - 225

SP - 73

EP - 82

JO - Chemosphere

JF - Chemosphere

SN - 0045-6535

ER -

ID: 32811403