Sequencing batch reactor as a post-treatment of anaerobically treated dairy effluent

Benítez, A - Ferrari, A - Gutiérrez, S - Canetti, Rafael - Cabezas, A - Travers, D - Menes, J - Etchebehere, C

Resumen:

Wastewater from dairy industries, characterized by its high COD content and relative high COD/TKN ratio, requires post-treatment after anaerobic treatment to complete the removal of organic matter and nutrients. Due to its simplicity, robustness and low maintenance costs, sequencing batch reactors (SBR) result in an attractive system, especially in case of small dairy industries in order to comply with the emission standards. The goal of this work was to determine the operational parameters, optimize the performance, and study the stability of the microbial population of a SBR system for the post-treatment of an anaerobic pond effluent. High and stable removal of COD and TKN was achieved in the reactor, which can easily be set up in dairy industries. An active nitrifying population was selected during reactor operation and maintained relatively stable, while the heterotrophic (total and denitrifying) communities were more unstable and susceptible to changes in the operating conditions.


Detalles Bibliográficos
2005
Post-treatment
Desnitrificacion
Sequencing Batch Reactor
Aoxic phase
SISTEMAS y CONTROL
Inglés
Universidad de la República
COLIBRI
https://hdl.handle.net/20.500.12008/21161
Acceso abierto
Licencia Creative Commons Atribución – No Comercial – Sin Derivadas (CC - By-NC-ND)
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author Benítez, A
author2 Ferrari, A
Gutiérrez, S
Canetti, Rafael
Cabezas, A
Travers, D
Menes, J
Etchebehere, C
author2_role author
author
author
author
author
author
author
author_facet Benítez, A
Ferrari, A
Gutiérrez, S
Canetti, Rafael
Cabezas, A
Travers, D
Menes, J
Etchebehere, C
author_role author
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collection COLIBRI
dc.creator.none.fl_str_mv Benítez, A
Ferrari, A
Gutiérrez, S
Canetti, Rafael
Cabezas, A
Travers, D
Menes, J
Etchebehere, C
dc.date.accessioned.none.fl_str_mv 2019-07-03T16:35:48Z
dc.date.available.none.fl_str_mv 2019-07-03T16:35:48Z
dc.date.issued.es.fl_str_mv 2005
dc.date.submitted.es.fl_str_mv 20190703
dc.description.abstract.none.fl_txt_mv Wastewater from dairy industries, characterized by its high COD content and relative high COD/TKN ratio, requires post-treatment after anaerobic treatment to complete the removal of organic matter and nutrients. Due to its simplicity, robustness and low maintenance costs, sequencing batch reactors (SBR) result in an attractive system, especially in case of small dairy industries in order to comply with the emission standards. The goal of this work was to determine the operational parameters, optimize the performance, and study the stability of the microbial population of a SBR system for the post-treatment of an anaerobic pond effluent. High and stable removal of COD and TKN was achieved in the reactor, which can easily be set up in dairy industries. An active nitrifying population was selected during reactor operation and maintained relatively stable, while the heterotrophic (total and denitrifying) communities were more unstable and susceptible to changes in the operating conditions.
dc.description.es.fl_txt_mv Preprint. Trabajo enviado a Water Science Technology, 2006
dc.identifier.citation.es.fl_str_mv Benítez, A., Ferrari, A., Gutiérrez, S., Canetti, R, Cabezas, A., Travers, D., Menes, J., Etchebehere, C. Sequencing batch reactor as a post-treatment of anaerobically treated dairy effluent [Preprint] Publicado en Water Science , Technology, 2006, v. 54, no. 2. https://doi.org/10.2166/wst.2006.506
dc.identifier.uri.none.fl_str_mv https://hdl.handle.net/20.500.12008/21161
dc.language.iso.none.fl_str_mv en
eng
dc.rights.license.none.fl_str_mv Licencia Creative Commons Atribución – No Comercial – Sin Derivadas (CC - By-NC-ND)
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
dc.source.none.fl_str_mv reponame:COLIBRI
instname:Universidad de la República
instacron:Universidad de la República
dc.subject.en.fl_str_mv Post-treatment
Desnitrificacion
Sequencing Batch Reactor
Aoxic phase
dc.subject.other.es.fl_str_mv SISTEMAS y CONTROL
dc.title.none.fl_str_mv Sequencing batch reactor as a post-treatment of anaerobically treated dairy effluent
dc.type.es.fl_str_mv Preprint
dc.type.none.fl_str_mv info:eu-repo/semantics/preprint
dc.type.version.none.fl_str_mv info:eu-repo/semantics/submittedVersion
description Preprint. Trabajo enviado a Water Science Technology, 2006
eu_rights_str_mv openAccess
format preprint
id COLIBRI_9d87ef18828be01130a74cab23d946d9
identifier_str_mv Benítez, A., Ferrari, A., Gutiérrez, S., Canetti, R, Cabezas, A., Travers, D., Menes, J., Etchebehere, C. Sequencing batch reactor as a post-treatment of anaerobically treated dairy effluent [Preprint] Publicado en Water Science , Technology, 2006, v. 54, no. 2. https://doi.org/10.2166/wst.2006.506
instacron_str Universidad de la República
institution Universidad de la República
instname_str Universidad de la República
language eng
language_invalid_str_mv en
network_acronym_str COLIBRI
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publishDate 2005
reponame_str COLIBRI
repository.mail.fl_str_mv mabel.seroubian@seciu.edu.uy
repository.name.fl_str_mv COLIBRI - Universidad de la República
repository_id_str 4771
rights_invalid_str_mv Licencia Creative Commons Atribución – No Comercial – Sin Derivadas (CC - By-NC-ND)
spelling 2019-07-03T16:35:48Z2019-07-03T16:35:48Z200520190703Benítez, A., Ferrari, A., Gutiérrez, S., Canetti, R, Cabezas, A., Travers, D., Menes, J., Etchebehere, C. Sequencing batch reactor as a post-treatment of anaerobically treated dairy effluent [Preprint] Publicado en Water Science , Technology, 2006, v. 54, no. 2. https://doi.org/10.2166/wst.2006.506https://hdl.handle.net/20.500.12008/21161Preprint. Trabajo enviado a Water Science Technology, 2006Wastewater from dairy industries, characterized by its high COD content and relative high COD/TKN ratio, requires post-treatment after anaerobic treatment to complete the removal of organic matter and nutrients. Due to its simplicity, robustness and low maintenance costs, sequencing batch reactors (SBR) result in an attractive system, especially in case of small dairy industries in order to comply with the emission standards. The goal of this work was to determine the operational parameters, optimize the performance, and study the stability of the microbial population of a SBR system for the post-treatment of an anaerobic pond effluent. High and stable removal of COD and TKN was achieved in the reactor, which can easily be set up in dairy industries. An active nitrifying population was selected during reactor operation and maintained relatively stable, while the heterotrophic (total and denitrifying) communities were more unstable and susceptible to changes in the operating conditions.Made available in DSpace on 2019-07-03T16:35:48Z (GMT). No. of bitstreams: 5 BFGCCTME05.pdf: 153222 bytes, checksum: a0f39974af91e74d439bc9b5d37ffe63 (MD5) license_text: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) license_url: 49 bytes, checksum: 4afdbb8c545fd630ea7db775da747b2f (MD5) license_rdf: 0 bytes, checksum: d41d8cd98f00b204e9800998ecf8427e (MD5) license.txt: 4267 bytes, checksum: 6429389a7df7277b72b7924fdc7d47a9 (MD5) Previous issue date: 2005enengLas obras depositadas en el Repositorio se rigen por la Ordenanza de los Derechos de la Propiedad Intelectual de la Universidad De La República. (Res. Nº 91 de C.D.C. de 8/III/1994 – D.O. 7/IV/1994) y por la Ordenanza del Repositorio Abierto de la Universidad de la República (Res. Nº 16 de C.D.C. de 07/10/2014)info:eu-repo/semantics/openAccessLicencia Creative Commons Atribución – No Comercial – Sin Derivadas (CC - By-NC-ND)Post-treatmentDesnitrificacionSequencing Batch ReactorAoxic phaseSISTEMAS y CONTROLSequencing batch reactor as a post-treatment of anaerobically treated dairy effluentPreprintinfo:eu-repo/semantics/preprintinfo:eu-repo/semantics/submittedVersionreponame:COLIBRIinstname:Universidad de la Repúblicainstacron:Universidad de la RepúblicaBenítez, AFerrari, AGutiérrez, SCanetti, RafaelCabezas, ATravers, DMenes, JEtchebehere, CSistemas y 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- Universidad de la Repúblicafalse
spellingShingle Sequencing batch reactor as a post-treatment of anaerobically treated dairy effluent
Benítez, A
Post-treatment
Desnitrificacion
Sequencing Batch Reactor
Aoxic phase
SISTEMAS y CONTROL
status_str submittedVersion
title Sequencing batch reactor as a post-treatment of anaerobically treated dairy effluent
title_full Sequencing batch reactor as a post-treatment of anaerobically treated dairy effluent
title_fullStr Sequencing batch reactor as a post-treatment of anaerobically treated dairy effluent
title_full_unstemmed Sequencing batch reactor as a post-treatment of anaerobically treated dairy effluent
title_short Sequencing batch reactor as a post-treatment of anaerobically treated dairy effluent
title_sort Sequencing batch reactor as a post-treatment of anaerobically treated dairy effluent
topic Post-treatment
Desnitrificacion
Sequencing Batch Reactor
Aoxic phase
SISTEMAS y CONTROL
url https://hdl.handle.net/20.500.12008/21161