Mapping anaerobic sludge bed community adaptations to manure supernatant in biogas reactors

Abstract In upflow anaerobic sludge bed (UASB) reactors, biomass present as granules allows for long solids retention time. Here, granules from a process treating pulp and paper industrial wastewater were successfully applied as inoculum in UASB reactors treating pig manure supernatant, despite high...

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Autores principales:	Anna Synnøve Røstad Nordgård, Wenche Hennie Bergland, Rune Bakke, Kjetill Østgaard, Ingrid Bakke
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	UASB Reactors Upflow Anaerobic Sludge Bed (UASB) Granular Community Archaeal Community High Ammonia Concentrations Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d69f304cf3614b7f926b40d29983cec8
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spelling	oai:doaj.org-article:d69f304cf3614b7f926b40d29983cec82021-12-02T15:08:57ZMapping anaerobic sludge bed community adaptations to manure supernatant in biogas reactors10.1038/s41598-018-34088-12045-2322https://doaj.org/article/d69f304cf3614b7f926b40d29983cec82018-10-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-34088-1https://doaj.org/toc/2045-2322Abstract In upflow anaerobic sludge bed (UASB) reactors, biomass present as granules allows for long solids retention time. Here, granules from a process treating pulp and paper industrial wastewater were successfully applied as inoculum in UASB reactors treating pig manure supernatant, despite high particle content and high ammonium concentrations in the influent. We did a detailed characterization of archaeal and bacterial communities associated with the inoculum and with the aggregated and dispersed fractions of the influent and the reactors after one year of operation. The granular communities underwent major changes and adapted to the highly distinct conditions without disintegration of the granules. Although the granules persisted in the reactors, non-granular aggregates accumulated, and partly replaced the granules. Particles introduced to the reactors by the pig manure influent apparently contributed both as food and biofilm growth support. Archaeal communities in the dispersed reactor phase were similar to those dispersed in the influents, implying successful retention and little loss of archaeal biomass due to detachment or disintegration of granules and other aggregates. Unique bacterial communities developed in the dispersed fraction of the reactors despite of low hydraulic retention times. They probably consisted of fast growing organisms consuming readily degradable organic matter.Anna Synnøve Røstad NordgårdWenche Hennie BerglandRune BakkeKjetill ØstgaardIngrid BakkeNature PortfolioarticleUASB ReactorsUpflow Anaerobic Sludge Bed (UASB)Granular CommunityArchaeal CommunityHigh Ammonia ConcentrationsMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	UASB Reactors Upflow Anaerobic Sludge Bed (UASB) Granular Community Archaeal Community High Ammonia Concentrations Medicine R Science Q
spellingShingle	UASB Reactors Upflow Anaerobic Sludge Bed (UASB) Granular Community Archaeal Community High Ammonia Concentrations Medicine R Science Q Anna Synnøve Røstad Nordgård Wenche Hennie Bergland Rune Bakke Kjetill Østgaard Ingrid Bakke Mapping anaerobic sludge bed community adaptations to manure supernatant in biogas reactors
description	Abstract In upflow anaerobic sludge bed (UASB) reactors, biomass present as granules allows for long solids retention time. Here, granules from a process treating pulp and paper industrial wastewater were successfully applied as inoculum in UASB reactors treating pig manure supernatant, despite high particle content and high ammonium concentrations in the influent. We did a detailed characterization of archaeal and bacterial communities associated with the inoculum and with the aggregated and dispersed fractions of the influent and the reactors after one year of operation. The granular communities underwent major changes and adapted to the highly distinct conditions without disintegration of the granules. Although the granules persisted in the reactors, non-granular aggregates accumulated, and partly replaced the granules. Particles introduced to the reactors by the pig manure influent apparently contributed both as food and biofilm growth support. Archaeal communities in the dispersed reactor phase were similar to those dispersed in the influents, implying successful retention and little loss of archaeal biomass due to detachment or disintegration of granules and other aggregates. Unique bacterial communities developed in the dispersed fraction of the reactors despite of low hydraulic retention times. They probably consisted of fast growing organisms consuming readily degradable organic matter.
format	article
author	Anna Synnøve Røstad Nordgård Wenche Hennie Bergland Rune Bakke Kjetill Østgaard Ingrid Bakke
author_facet	Anna Synnøve Røstad Nordgård Wenche Hennie Bergland Rune Bakke Kjetill Østgaard Ingrid Bakke
author_sort	Anna Synnøve Røstad Nordgård
title	Mapping anaerobic sludge bed community adaptations to manure supernatant in biogas reactors
title_short	Mapping anaerobic sludge bed community adaptations to manure supernatant in biogas reactors
title_full	Mapping anaerobic sludge bed community adaptations to manure supernatant in biogas reactors
title_fullStr	Mapping anaerobic sludge bed community adaptations to manure supernatant in biogas reactors
title_full_unstemmed	Mapping anaerobic sludge bed community adaptations to manure supernatant in biogas reactors
title_sort	mapping anaerobic sludge bed community adaptations to manure supernatant in biogas reactors
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/d69f304cf3614b7f926b40d29983cec8
work_keys_str_mv	AT annasynnøverøstadnordgard mappinganaerobicsludgebedcommunityadaptationstomanuresupernatantinbiogasreactors AT wenchehenniebergland mappinganaerobicsludgebedcommunityadaptationstomanuresupernatantinbiogasreactors AT runebakke mappinganaerobicsludgebedcommunityadaptationstomanuresupernatantinbiogasreactors AT kjetilløstgaard mappinganaerobicsludgebedcommunityadaptationstomanuresupernatantinbiogasreactors AT ingridbakke mappinganaerobicsludgebedcommunityadaptationstomanuresupernatantinbiogasreactors
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Mapping anaerobic sludge bed community adaptations to manure supernatant in biogas reactors

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