Assessment of the mechanisms involved in the removal of emerging contaminants by microalgae from wastewater: a laboratory scale study

Aerated batch reactors (2.5 L) fed either with urban or synthetic wastewater were inoculated with microalgae (dominated by Chlorella sp. and Scenedesmus sp.) to remove caffeine, ibuprofen, galaxolide, tributyl phosphate, 4-octylphenol, tris(2-chloroethyl) phosphate and carbamazepine for 10 incubatio...

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Autores: Matamoros, Victor, Uggetti, Enrica|||0000-0001-6919-485X, García Serrano, Joan|||0000-0003-1258-8174, Bayona i Termens, Josep Maria
Tipo de recurso: artículo
Fecha de publicación:2016
País:España
Institución:Universitat Politècnica de Catalunya (UPC)
Repositorio:UPCommons. Portal del coneixement obert de la UPC
Idioma:inglés
OAI Identifier:oai:upcommons.upc.edu:2117/87474
Acceso en línea:https://hdl.handle.net/2117/87474
https://dx.doi.org/10.1016/j.jhazmat.2015.08.050
Access Level:acceso abierto
Palabra clave:Bioreactors
Emerging organic contaminants
Wastewater
Removal
Microalgae
Biodegradation
Volatilization
Àrees temàtiques de la UPC::Desenvolupament humà i sostenible::Enginyeria ambiental::Tractament de l'aigua
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spelling Assessment of the mechanisms involved in the removal of emerging contaminants by microalgae from wastewater: a laboratory scale studyMatamoros, VictorUggetti, Enrica|||0000-0001-6919-485XGarcía Serrano, Joan|||0000-0003-1258-8174Bayona i Termens, Josep MariaBioreactorsEmerging organic contaminantsWastewaterRemovalMicroalgaeBiodegradationVolatilizationBioreactorsÀrees temàtiques de la UPC::Desenvolupament humà i sostenible::Enginyeria ambiental::Tractament de l'aiguaAerated batch reactors (2.5 L) fed either with urban or synthetic wastewater were inoculated with microalgae (dominated by Chlorella sp. and Scenedesmus sp.) to remove caffeine, ibuprofen, galaxolide, tributyl phosphate, 4-octylphenol, tris(2-chloroethyl) phosphate and carbamazepine for 10 incubation days. Non-aerated and darkness reactors were used as controls. Microalgae grew at a rate of 0.25 d-1 with the complete removal of N-NH4 during the course of the experiment. After 10 incubation days, up to 99% of the microcontaminants with a Henry’s law constant higher than 3 10-1 Pa m3 mol-1 (i.e., 4-octylphenol, galaxolide, and tributyl phosphate) were removed by volatilization due to the effect of air stripping. Whereas biodegradation was effective for removing ibuprofen and caffeine, carbamazepine and tris(2-chloroethyl) phosphate behaved as recalcitrant compounds. The use of microalgae was proved to be relevant for increasing the biodegradation removal efficiency of ibuprofen by 40% and reducing the lag phase of caffeine by 3 days. Moreover, the enantioselective biodegradation of S-ibuprofen suggested a biotic prevalent removal process, which was supported by the identification of carboxy-ibuprofen and hydroxy-ibuprofen. The results from microalgae reactors fed with synthetic wastewater showed no clear evidences of microalgae uptake of any of the studied microcontaminants.Peer Reviewed20162016-01-0120162016-05-27journal articlehttp://purl.org/coar/resource_type/c_6501AMhttp://purl.org/coar/version/c_ab4af688f83e57aainfo:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/2117/87474https://dx.doi.org/10.1016/j.jhazmat.2015.08.050reponame:UPCommons. Portal del coneixement obert de la UPCinstname:Universitat Politècnica de Catalunya (UPC)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2http://creativecommons.org/licenses/by-nc-nd/3.0/es/info:eu-repo/semantics/openAccessoai:upcommons.upc.edu:2117/874742026-05-27T15:37:01Z
dc.title.none.fl_str_mv Assessment of the mechanisms involved in the removal of emerging contaminants by microalgae from wastewater: a laboratory scale study
title Assessment of the mechanisms involved in the removal of emerging contaminants by microalgae from wastewater: a laboratory scale study
spellingShingle Assessment of the mechanisms involved in the removal of emerging contaminants by microalgae from wastewater: a laboratory scale study
Matamoros, Victor
Bioreactors
Emerging organic contaminants
Wastewater
Removal
Microalgae
Biodegradation
Volatilization
Bioreactors
Àrees temàtiques de la UPC::Desenvolupament humà i sostenible::Enginyeria ambiental::Tractament de l'aigua
title_short Assessment of the mechanisms involved in the removal of emerging contaminants by microalgae from wastewater: a laboratory scale study
title_full Assessment of the mechanisms involved in the removal of emerging contaminants by microalgae from wastewater: a laboratory scale study
title_fullStr Assessment of the mechanisms involved in the removal of emerging contaminants by microalgae from wastewater: a laboratory scale study
title_full_unstemmed Assessment of the mechanisms involved in the removal of emerging contaminants by microalgae from wastewater: a laboratory scale study
title_sort Assessment of the mechanisms involved in the removal of emerging contaminants by microalgae from wastewater: a laboratory scale study
dc.creator.none.fl_str_mv Matamoros, Victor
Uggetti, Enrica|||0000-0001-6919-485X
García Serrano, Joan|||0000-0003-1258-8174
Bayona i Termens, Josep Maria
author Matamoros, Victor
author_facet Matamoros, Victor
Uggetti, Enrica|||0000-0001-6919-485X
García Serrano, Joan|||0000-0003-1258-8174
Bayona i Termens, Josep Maria
author_role author
author2 Uggetti, Enrica|||0000-0001-6919-485X
García Serrano, Joan|||0000-0003-1258-8174
Bayona i Termens, Josep Maria
author2_role author
author
author
dc.subject.none.fl_str_mv Bioreactors
Emerging organic contaminants
Wastewater
Removal
Microalgae
Biodegradation
Volatilization
Bioreactors
Àrees temàtiques de la UPC::Desenvolupament humà i sostenible::Enginyeria ambiental::Tractament de l'aigua
topic Bioreactors
Emerging organic contaminants
Wastewater
Removal
Microalgae
Biodegradation
Volatilization
Bioreactors
Àrees temàtiques de la UPC::Desenvolupament humà i sostenible::Enginyeria ambiental::Tractament de l'aigua
description Aerated batch reactors (2.5 L) fed either with urban or synthetic wastewater were inoculated with microalgae (dominated by Chlorella sp. and Scenedesmus sp.) to remove caffeine, ibuprofen, galaxolide, tributyl phosphate, 4-octylphenol, tris(2-chloroethyl) phosphate and carbamazepine for 10 incubation days. Non-aerated and darkness reactors were used as controls. Microalgae grew at a rate of 0.25 d-1 with the complete removal of N-NH4 during the course of the experiment. After 10 incubation days, up to 99% of the microcontaminants with a Henry’s law constant higher than 3 10-1 Pa m3 mol-1 (i.e., 4-octylphenol, galaxolide, and tributyl phosphate) were removed by volatilization due to the effect of air stripping. Whereas biodegradation was effective for removing ibuprofen and caffeine, carbamazepine and tris(2-chloroethyl) phosphate behaved as recalcitrant compounds. The use of microalgae was proved to be relevant for increasing the biodegradation removal efficiency of ibuprofen by 40% and reducing the lag phase of caffeine by 3 days. Moreover, the enantioselective biodegradation of S-ibuprofen suggested a biotic prevalent removal process, which was supported by the identification of carboxy-ibuprofen and hydroxy-ibuprofen. The results from microalgae reactors fed with synthetic wastewater showed no clear evidences of microalgae uptake of any of the studied microcontaminants.
publishDate 2016
dc.date.none.fl_str_mv 2016
2016-01-01
2016
2016-05-27
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
AM
http://purl.org/coar/version/c_ab4af688f83e57aa
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/2117/87474
https://dx.doi.org/10.1016/j.jhazmat.2015.08.050
url https://hdl.handle.net/2117/87474
https://dx.doi.org/10.1016/j.jhazmat.2015.08.050
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2

http://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2

http://creativecommons.org/licenses/by-nc-nd/3.0/es/
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.source.none.fl_str_mv reponame:UPCommons. Portal del coneixement obert de la UPC
instname:Universitat Politècnica de Catalunya (UPC)
instname_str Universitat Politècnica de Catalunya (UPC)
reponame_str UPCommons. Portal del coneixement obert de la UPC
collection UPCommons. Portal del coneixement obert de la UPC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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