Impact of UASB reactors operation mode on the removal of estrone and 17α-ethinylestradiol from wastewaters

Detalhes bibliográficos
Autor(a) principal: Louros, Vitória L.
Data de Publicação: 2021
Outros Autores: Lima, Diana L. D., Leitão, Jorge H., Esteves, Valdemar I., Nadais, Helena G. A.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
Texto Completo: http://hdl.handle.net/10773/30409
Resumo: This work aims to compare the performance of the continuous operation (CO) and intermittent operation (IO) of upflow anaerobic sludge blanket (UASB) reactors for the removal of estrone (E1) and 17α-ethinylestradiol (EE2) from wastewaters. Results suggest that the IO contribute to the improvement of the overall removal of estrogens (above 95% for E1 and EE2) when compared to CO (49% for E1 and 39% for EE2). For both CO and IO, biodegradation was the main removal mechanism for E1, while for EE2, adsorption to sludge was the major removal pathway. Moreover, a higher biodegradation of estrogens was obtained with the IO compared to CO (69.4% vs. 43.3% for E1 and 21.8% vs. 8.0% for EE2). The favourable effect of IO can be justified by effluent recirculation during the feedless period which promotes the adaptation of microbial biomass to estrogens' biodegradation.
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spelling Impact of UASB reactors operation mode on the removal of estrone and 17α-ethinylestradiol from wastewatersEstrogensRemoval mechanismsBiodegradationAdsorptionIntermittent UASB reactorThis work aims to compare the performance of the continuous operation (CO) and intermittent operation (IO) of upflow anaerobic sludge blanket (UASB) reactors for the removal of estrone (E1) and 17α-ethinylestradiol (EE2) from wastewaters. Results suggest that the IO contribute to the improvement of the overall removal of estrogens (above 95% for E1 and EE2) when compared to CO (49% for E1 and 39% for EE2). For both CO and IO, biodegradation was the main removal mechanism for E1, while for EE2, adsorption to sludge was the major removal pathway. Moreover, a higher biodegradation of estrogens was obtained with the IO compared to CO (69.4% vs. 43.3% for E1 and 21.8% vs. 8.0% for EE2). The favourable effect of IO can be justified by effluent recirculation during the feedless period which promotes the adaptation of microbial biomass to estrogens' biodegradation.Elsevier2023-04-10T00:00:00Z2021-04-10T00:00:00Z2021-04-10info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdfhttp://hdl.handle.net/10773/30409eng0048-969710.1016/j.scitotenv.2020.144291Louros, Vitória L.Lima, Diana L. D.Leitão, Jorge H.Esteves, Valdemar I.Nadais, Helena G. A.info:eu-repo/semantics/embargoedAccessreponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiainstacron:RCAAP2024-05-06T04:29:51Zoai:ria.ua.pt:10773/30409Portal AgregadorONGhttps://www.rcaap.pt/oai/openaireinfo@rcaap.ptopendoar:https://opendoar.ac.uk/repository/71602025-05-28T14:10:26.167209Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologiafalse
dc.title.none.fl_str_mv Impact of UASB reactors operation mode on the removal of estrone and 17α-ethinylestradiol from wastewaters
title Impact of UASB reactors operation mode on the removal of estrone and 17α-ethinylestradiol from wastewaters
spellingShingle Impact of UASB reactors operation mode on the removal of estrone and 17α-ethinylestradiol from wastewaters
Louros, Vitória L.
Estrogens
Removal mechanisms
Biodegradation
Adsorption
Intermittent UASB reactor
title_short Impact of UASB reactors operation mode on the removal of estrone and 17α-ethinylestradiol from wastewaters
title_full Impact of UASB reactors operation mode on the removal of estrone and 17α-ethinylestradiol from wastewaters
title_fullStr Impact of UASB reactors operation mode on the removal of estrone and 17α-ethinylestradiol from wastewaters
title_full_unstemmed Impact of UASB reactors operation mode on the removal of estrone and 17α-ethinylestradiol from wastewaters
title_sort Impact of UASB reactors operation mode on the removal of estrone and 17α-ethinylestradiol from wastewaters
author Louros, Vitória L.
author_facet Louros, Vitória L.
Lima, Diana L. D.
Leitão, Jorge H.
Esteves, Valdemar I.
Nadais, Helena G. A.
author_role author
author2 Lima, Diana L. D.
Leitão, Jorge H.
Esteves, Valdemar I.
Nadais, Helena G. A.
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Louros, Vitória L.
Lima, Diana L. D.
Leitão, Jorge H.
Esteves, Valdemar I.
Nadais, Helena G. A.
dc.subject.por.fl_str_mv Estrogens
Removal mechanisms
Biodegradation
Adsorption
Intermittent UASB reactor
topic Estrogens
Removal mechanisms
Biodegradation
Adsorption
Intermittent UASB reactor
description This work aims to compare the performance of the continuous operation (CO) and intermittent operation (IO) of upflow anaerobic sludge blanket (UASB) reactors for the removal of estrone (E1) and 17α-ethinylestradiol (EE2) from wastewaters. Results suggest that the IO contribute to the improvement of the overall removal of estrogens (above 95% for E1 and EE2) when compared to CO (49% for E1 and 39% for EE2). For both CO and IO, biodegradation was the main removal mechanism for E1, while for EE2, adsorption to sludge was the major removal pathway. Moreover, a higher biodegradation of estrogens was obtained with the IO compared to CO (69.4% vs. 43.3% for E1 and 21.8% vs. 8.0% for EE2). The favourable effect of IO can be justified by effluent recirculation during the feedless period which promotes the adaptation of microbial biomass to estrogens' biodegradation.
publishDate 2021
dc.date.none.fl_str_mv 2021-04-10T00:00:00Z
2021-04-10
2023-04-10T00:00:00Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://hdl.handle.net/10773/30409
url http://hdl.handle.net/10773/30409
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 0048-9697
10.1016/j.scitotenv.2020.144291
dc.rights.driver.fl_str_mv info:eu-repo/semantics/embargoedAccess
eu_rights_str_mv embargoedAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
instname:FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron:RCAAP
instname_str FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
instacron_str RCAAP
institution RCAAP
reponame_str Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
collection Repositórios Científicos de Acesso Aberto de Portugal (RCAAP)
repository.name.fl_str_mv Repositórios Científicos de Acesso Aberto de Portugal (RCAAP) - FCCN, serviços digitais da FCT – Fundação para a Ciência e a Tecnologia
repository.mail.fl_str_mv info@rcaap.pt
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