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Anoxic Microbial Community Robustness Under Variation of Hydraulic Retention Time and Availability of Endogenous Electron Donors

dc.contributor.authorOkada, Dagoberto Y.
dc.contributor.authorCosta, Rachel B. [UNESP]
dc.contributor.authorGarcia, Caroline de Cassia B.
dc.contributor.authorPozzi, Eloisa
dc.contributor.authorSouza, Theo S. O.
dc.contributor.authorForesti, Eugenio
dc.contributor.institutionUniversidade Estadual de Campinas (UNICAMP)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade de São Paulo (USP)
dc.date.accessioned2020-12-10T19:58:47Z
dc.date.available2020-12-10T19:58:47Z
dc.date.issued2020-05-11
dc.description.abstractThe ADNMED (Anaerobic Digestion, Nitrification, and Mixotrophic Endogenous Denitrification) system comprises a triple chamber configuration that was shown to provide high-quality effluent regarding carbon, nitrogen, and sulfide. Hydraulic retention time (HRT) was 7 h in the anaerobic and anoxic chambers, and 5 h in the aerobic chamber (stage A). Sewage was directly added to the anoxic chamber to provide extra organic electron donors for denitrification (stage B) to improve the nitrogen removal efficiency (stage A 47 +/- 19%). The addition of sewage at a flow rate equivalent to 10% of the feed flow increased nitrogen removal efficiency to 61 +/- 12%. Illumina (R) sequencing revealed a restructuring of the microbial community in the anoxic chamber, according to the availability of the endogenous electron donors for denitrification. At stage A, denitrification was related to the decay of biomass, while the addition of sewage during stage B stimulated the establishment of fermentative bacteria.en
dc.description.affiliationUniv Estadual Campinas, Sch Technol, Rua Paschoal Marmo 1888, BR-13484332 Limeira, SP, Brazil
dc.description.affiliationSao Paulo State Univ, Inst Chem, Dept Biochem & Chem Technol, R Francisco Degni 55, BR-14800060 Araraquara, SP, Brazil
dc.description.affiliationUniv Sao Paulo, Sao Carlos Sch Engn, Dept Hydraul & Sanitat, Av Trabalhador Sao Carlense 400, BR-13566590 Sao Carlos, SP, Brazil
dc.description.affiliationUniv Sao Paulo, Dept Hydraul & Environm Engn, Polytech Sch, Av Prof Almeida Prado 83,Trav 2,Cidade Univ, BR-05508900 Sao Paulo, SP, Brazil
dc.description.affiliationUnespSao Paulo State Univ, Inst Chem, Dept Biochem & Chem Technol, R Francisco Degni 55, BR-14800060 Araraquara, SP, Brazil
dc.description.sponsorshipFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)
dc.description.sponsorshipIdFAPESP: 2012/07375-7
dc.description.sponsorshipIdFAPESP: 2009/15984-0
dc.format.extent12
dc.identifierhttp://dx.doi.org/10.1007/s12010-020-03327-5
dc.identifier.citationApplied Biochemistry And Biotechnology. New York: Springer, 12 p., 2020.
dc.identifier.doi10.1007/s12010-020-03327-5
dc.identifier.issn0273-2289
dc.identifier.urihttp://hdl.handle.net/11449/196872
dc.identifier.wosWOS:000531919500002
dc.language.isoeng
dc.publisherSpringer
dc.relation.ispartofApplied Biochemistry And Biotechnology
dc.sourceWeb of Science
dc.subjectDomestic sewage
dc.subjectEndogenous electron donors
dc.subjectSulfide-driven autotrophic denitrification
dc.subjectNitrogen removal
dc.subjectIllumina sequencing
dc.titleAnoxic Microbial Community Robustness Under Variation of Hydraulic Retention Time and Availability of Endogenous Electron Donorsen
dc.typeArtigopt
dcterms.licensehttp://www.springer.com/open+access/authors+rights?SGWID=0-176704-12-683201-0
dcterms.rightsHolderSpringer
dspace.entity.typePublication
relation.isOrgUnitOfPublicationbc74a1ce-4c4c-4dad-8378-83962d76c4fd
relation.isOrgUnitOfPublication.latestForDiscoverybc74a1ce-4c4c-4dad-8378-83962d76c4fd
unesp.author.orcid0000-0002-4530-3596[5]
unesp.author.orcid0000-0002-7097-8990[6]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Química, Araraquarapt
unesp.departmentBioquímica e Tecnologia - IQpt

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