Performance and microbial community structure of a polar Arctic Circle aerobic granular sludge system operating at low temperature

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Performance and microbial community structure of a polar Arctic Circle aerobic granular sludge system operating at low temperature. / Gonzalez-Martinez, Alejandro; Muñoz-Palazon, Barbara; Maza-Márquez, Paula; Rodriguez-Sanchez, Alejandro; Gonzalez-Lopez, Jesus; Vahala, Riku.

In: Bioresource Technology, Vol. 256, 01.05.2018, p. 22-29.

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Gonzalez-Martinez, Alejandro ; Muñoz-Palazon, Barbara ; Maza-Márquez, Paula ; Rodriguez-Sanchez, Alejandro ; Gonzalez-Lopez, Jesus ; Vahala, Riku. / Performance and microbial community structure of a polar Arctic Circle aerobic granular sludge system operating at low temperature. In: Bioresource Technology. 2018 ; Vol. 256. pp. 22-29.

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@article{2f1d59585a8240c08c59ce2d630a08e4,
title = "Performance and microbial community structure of a polar Arctic Circle aerobic granular sludge system operating at low temperature",
abstract = "The aim of this work was to study the performance and microbial community structure of a polar Arctic Circle aerobic granular sludge (AGS) system operating at low temperature. Thus, an AGS bioreactor was operated at 7, 5 and 3 °C of temperature using a cold-adapted sludge from Lapland. At 5 °C, it yielded acceptable conversion rates, in terms of nitrogen, phosphorous, and organic matter. However, under 3 °C a negligible nitrogen and phosphorous removal performance was observed. Below 5 °C, scanning electron microscopy studies showed a wispy, non-dense and irregular granular structure with a strong outgrowth of filamentous. Moreover, Illumina next-generation sequencing showed a heterogeneous microbial population where SM1K20 (Archaea), Trichosporon domesticum (Fungus), and Zooglea, Arcobacter and Acinetobacter (Bacteria) were the dominant phylotypes. Our study suggests that AGS technologies inoculated with North Pole sludge could be operated, in cold regions for a period longer than 3 months (winter season) under 5 °C of water temperature.",
keywords = "Aerobic granular sludge, Low temperature, Massive parallel sequencing, North Pole, Wastewater treatment",
author = "Alejandro Gonzalez-Martinez and Barbara Mu{\~n}oz-Palazon and Paula Maza-M{\'a}rquez and Alejandro Rodriguez-Sanchez and Jesus Gonzalez-Lopez and Riku Vahala",
year = "2018",
month = "5",
day = "1",
doi = "10.1016/j.biortech.2018.01.147",
language = "English",
volume = "256",
pages = "22--29",
journal = "Bioresource Technology",
issn = "0960-8524",

}

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TY - JOUR

T1 - Performance and microbial community structure of a polar Arctic Circle aerobic granular sludge system operating at low temperature

AU - Gonzalez-Martinez, Alejandro

AU - Muñoz-Palazon, Barbara

AU - Maza-Márquez, Paula

AU - Rodriguez-Sanchez, Alejandro

AU - Gonzalez-Lopez, Jesus

AU - Vahala, Riku

PY - 2018/5/1

Y1 - 2018/5/1

N2 - The aim of this work was to study the performance and microbial community structure of a polar Arctic Circle aerobic granular sludge (AGS) system operating at low temperature. Thus, an AGS bioreactor was operated at 7, 5 and 3 °C of temperature using a cold-adapted sludge from Lapland. At 5 °C, it yielded acceptable conversion rates, in terms of nitrogen, phosphorous, and organic matter. However, under 3 °C a negligible nitrogen and phosphorous removal performance was observed. Below 5 °C, scanning electron microscopy studies showed a wispy, non-dense and irregular granular structure with a strong outgrowth of filamentous. Moreover, Illumina next-generation sequencing showed a heterogeneous microbial population where SM1K20 (Archaea), Trichosporon domesticum (Fungus), and Zooglea, Arcobacter and Acinetobacter (Bacteria) were the dominant phylotypes. Our study suggests that AGS technologies inoculated with North Pole sludge could be operated, in cold regions for a period longer than 3 months (winter season) under 5 °C of water temperature.

AB - The aim of this work was to study the performance and microbial community structure of a polar Arctic Circle aerobic granular sludge (AGS) system operating at low temperature. Thus, an AGS bioreactor was operated at 7, 5 and 3 °C of temperature using a cold-adapted sludge from Lapland. At 5 °C, it yielded acceptable conversion rates, in terms of nitrogen, phosphorous, and organic matter. However, under 3 °C a negligible nitrogen and phosphorous removal performance was observed. Below 5 °C, scanning electron microscopy studies showed a wispy, non-dense and irregular granular structure with a strong outgrowth of filamentous. Moreover, Illumina next-generation sequencing showed a heterogeneous microbial population where SM1K20 (Archaea), Trichosporon domesticum (Fungus), and Zooglea, Arcobacter and Acinetobacter (Bacteria) were the dominant phylotypes. Our study suggests that AGS technologies inoculated with North Pole sludge could be operated, in cold regions for a period longer than 3 months (winter season) under 5 °C of water temperature.

KW - Aerobic granular sludge

KW - Low temperature

KW - Massive parallel sequencing

KW - North Pole

KW - Wastewater treatment

UR - http://www.scopus.com/inward/record.url?scp=85041397296&partnerID=8YFLogxK

U2 - 10.1016/j.biortech.2018.01.147

DO - 10.1016/j.biortech.2018.01.147

M3 - Article

VL - 256

SP - 22

EP - 29

JO - Bioresource Technology

JF - Bioresource Technology

SN - 0960-8524

ER -

ID: 17668966