Achieving mainstream partial nitritation with aerobic granular sludge treating high-rate activated sludge effluent

New configurations for wastewater treatment plants (WWTPs) are under development to increase their self-sufficiency and sustainability. One is the A-B process, in which the A-stage is designed to maximize the redirection of influent chemical oxygen demand (COD) to the production of biogas. A promisi...

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Autores: Carbó Monmany, Oriol, Teixidó, Jaume, Canals, Joan, Ordóñez, Antonio, Magrí Aloy, Albert, Baldi, Mercè, Gutiérrez López, Belén, Colprim Galceran, Jesús
Tipo de recurso: artículo
Estado:Versión publicada
Fecha de publicación:2024
País:España
Institución:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
Repositorio:Recercat. Dipósit de la Recerca de Catalunya
OAI Identifier:oai:recercat.cat:10256/24684
Acceso en línea:http://hdl.handle.net/10256/24684
Access Level:acceso abierto
Palabra clave:Nitrificació
Nitrification
Aigües residuals -- Plantes de tractament
Sewage disposal plants
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spelling Achieving mainstream partial nitritation with aerobic granular sludge treating high-rate activated sludge effluentCarbó Monmany, OriolTeixidó, JaumeCanals, JoanOrdóñez, AntonioMagrí Aloy, AlbertBaldi, MercèGutiérrez López, BelénColprim Galceran, JesúsNitrificacióNitrificationAigües residuals -- Plantes de tractamentSewage disposal plantsNew configurations for wastewater treatment plants (WWTPs) are under development to increase their self-sufficiency and sustainability. One is the A-B process, in which the A-stage is designed to maximize the redirection of influent chemical oxygen demand (COD) to the production of biogas. A promising A-stage alternative is the high-rate activated sludge (HRAS). B-stage, on the other hand, can consist of the combined partial nitritation (PN)-anaerobic ammonium oxidation (anammox). In this study, PN with aerobic granular sludge (AGS) was attempted under mainstream conditions at pilot scale. The effluent of a HRAS system - ideally operating at 2 g/L of total suspended solids, 0.5 mg/L of dissolved oxygen and 1 h of hydraulic retention time (52 ± 13 % COD removal) - was fed to the PN-AGS reactor initially inoculated with floccular sludge. Granulation and PN were studied with daily/seasonal fluctuations and without adding external reagents. Selective wasting from the top of the settled sludge bed was found a successful strategy to trigger granular sludge formation. The maintenance of a low sludge volume index (SVI < 100 mL/g) was helpful enough for improved operation of the system (i.e., COD removal and PN). Stable PN was achieved due to the suppression of the nitrite oxidizing bacteria activity by inhibitory levels of free nitrous acid. Finally, working with fast settling biomass at long settling times reduced the influent-biomass-nitrite contact and, thus, denitritationAquest projecte ha rebut finançament del Centre Espanyol de Desenvolupament Tecnològic Industrial (CDTI) [Ref. IDI-20200648 ]. El primer autor reconeix la beca predoctoral industrial rebuda del Ministeri de Ciència, Innovació i Universitats [Ref. DIN2019-010700/AEI/10.13039/501100011033 ]. Els autors volen agrair el suport rebut del Consorci Besòs Tordera [ EXP 2019/138 ]. El grup de recerca LEQUIA ha estat reconegut com a grup de recerca consolidat (Ref. 2021-SGR-1352) pel Departament d'Investigació i Universitats de CatalunyaOpen Access funding provided thanks to the CSUC agreement with Elsevier62024info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionpeer-reviewedapplication/pdfhttp://hdl.handle.net/10256/24684Journal of Water Process Engineering, 2024, vol. 60, art.núm.105165Articles publicats (D-EQATA)Carbó, Oriol Teixidó, Jaume Canals, Joan Ordóñez, Antonio Magrí Aloy, Albert Baldi, Mercè Gutiérrez, Belén Colprim Galceran, Jesús 2024 Achieving mainstream partial nitritation with aerobic granular sludge treating high-rate activated sludge effluent Journal Of Water Process Engineering 60 art.núm.105165reponame:Recercat. Dipósit de la Recerca de Catalunyainstname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)Inglésinfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.jwpe.2024.105165info:eu-repo/semantics/altIdentifier/issn/2214-7144info:eu-repo/semantics/altIdentifier/eissn/2214-7144Reconeixement 4.0 Internacionalhttp://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessoai:recercat.cat:10256/246842026-05-29T05:05:01Z
dc.title.none.fl_str_mv Achieving mainstream partial nitritation with aerobic granular sludge treating high-rate activated sludge effluent
title Achieving mainstream partial nitritation with aerobic granular sludge treating high-rate activated sludge effluent
spellingShingle Achieving mainstream partial nitritation with aerobic granular sludge treating high-rate activated sludge effluent
Carbó Monmany, Oriol
Nitrificació
Nitrification
Aigües residuals -- Plantes de tractament
Sewage disposal plants
title_short Achieving mainstream partial nitritation with aerobic granular sludge treating high-rate activated sludge effluent
title_full Achieving mainstream partial nitritation with aerobic granular sludge treating high-rate activated sludge effluent
title_fullStr Achieving mainstream partial nitritation with aerobic granular sludge treating high-rate activated sludge effluent
title_full_unstemmed Achieving mainstream partial nitritation with aerobic granular sludge treating high-rate activated sludge effluent
title_sort Achieving mainstream partial nitritation with aerobic granular sludge treating high-rate activated sludge effluent
dc.creator.none.fl_str_mv Carbó Monmany, Oriol
Teixidó, Jaume
Canals, Joan
Ordóñez, Antonio
Magrí Aloy, Albert
Baldi, Mercè
Gutiérrez López, Belén
Colprim Galceran, Jesús
author Carbó Monmany, Oriol
author_facet Carbó Monmany, Oriol
Teixidó, Jaume
Canals, Joan
Ordóñez, Antonio
Magrí Aloy, Albert
Baldi, Mercè
Gutiérrez López, Belén
Colprim Galceran, Jesús
author_role author
author2 Teixidó, Jaume
Canals, Joan
Ordóñez, Antonio
Magrí Aloy, Albert
Baldi, Mercè
Gutiérrez López, Belén
Colprim Galceran, Jesús
author2_role author
author
author
author
author
author
author
dc.subject.none.fl_str_mv Nitrificació
Nitrification
Aigües residuals -- Plantes de tractament
Sewage disposal plants
topic Nitrificació
Nitrification
Aigües residuals -- Plantes de tractament
Sewage disposal plants
description New configurations for wastewater treatment plants (WWTPs) are under development to increase their self-sufficiency and sustainability. One is the A-B process, in which the A-stage is designed to maximize the redirection of influent chemical oxygen demand (COD) to the production of biogas. A promising A-stage alternative is the high-rate activated sludge (HRAS). B-stage, on the other hand, can consist of the combined partial nitritation (PN)-anaerobic ammonium oxidation (anammox). In this study, PN with aerobic granular sludge (AGS) was attempted under mainstream conditions at pilot scale. The effluent of a HRAS system - ideally operating at 2 g/L of total suspended solids, 0.5 mg/L of dissolved oxygen and 1 h of hydraulic retention time (52 ± 13 % COD removal) - was fed to the PN-AGS reactor initially inoculated with floccular sludge. Granulation and PN were studied with daily/seasonal fluctuations and without adding external reagents. Selective wasting from the top of the settled sludge bed was found a successful strategy to trigger granular sludge formation. The maintenance of a low sludge volume index (SVI < 100 mL/g) was helpful enough for improved operation of the system (i.e., COD removal and PN). Stable PN was achieved due to the suppression of the nitrite oxidizing bacteria activity by inhibitory levels of free nitrous acid. Finally, working with fast settling biomass at long settling times reduced the influent-biomass-nitrite contact and, thus, denitritation
publishDate 2024
dc.date.none.fl_str_mv 2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
peer-reviewed
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10256/24684
url http://hdl.handle.net/10256/24684
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jwpe.2024.105165
info:eu-repo/semantics/altIdentifier/issn/2214-7144
info:eu-repo/semantics/altIdentifier/eissn/2214-7144
dc.rights.none.fl_str_mv Reconeixement 4.0 Internacional
http://creativecommons.org/licenses/by/4.0
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Reconeixement 4.0 Internacional
http://creativecommons.org/licenses/by/4.0
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv Journal of Water Process Engineering, 2024, vol. 60, art.núm.105165
Articles publicats (D-EQATA)
Carbó, Oriol Teixidó, Jaume Canals, Joan Ordóñez, Antonio Magrí Aloy, Albert Baldi, Mercè Gutiérrez, Belén Colprim Galceran, Jesús 2024 Achieving mainstream partial nitritation with aerobic granular sludge treating high-rate activated sludge effluent Journal Of Water Process Engineering 60 art.núm.105165
reponame:Recercat. Dipósit de la Recerca de Catalunya
instname:Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
instname_str Varias* (Consorci de Biblioteques Universitáries de Catalunya, Centre de Serveis Científics i Acadèmics de Catalunya)
reponame_str Recercat. Dipósit de la Recerca de Catalunya
collection Recercat. Dipósit de la Recerca de Catalunya
repository.name.fl_str_mv
repository.mail.fl_str_mv
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