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Heterogeneous photocatalysis using UVA-LEDs for the removal of antibiotics and antibiotic resistant bacteria from urban wastewater treatment plant effluents

2019Journal article Restricted access
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dc.contributor.authorBiancullo, Francesco
dc.contributor.authorMoreira, Nuno F. F.
dc.contributor.authorRibeiro, Ana R.
dc.contributor.authorManaia, Célia M.
dc.contributor.authorFaria, Joaquim L.
dc.contributor.authorNunes, Olga C.
dc.contributor.authorCastro-Silva, Sergio M.
dc.contributor.authorSilva, Adrian M. R.
dc.date.accessioned2019-03-12T16:45:00Z
dc.date.available2019-03-12T16:45:00Z
dc.date.issued2019
dc.description.abstractSecondary urban wastewater samples were spiked with azithromycin (AZT), trimethoprim (TMP), ofloxacin (OFL) and sulfamethoxazole (SMX) at 100 mu g L-1 to investigate the efficiency of a TiO2-photocatalytic treatment using UVA-LEDs. Different operating parameters were studied, such as the irradiation conditions, catalyst load and the use of methanol as carrier solvent and radical scavenger. The most efficient conditions to treat spiked urban wastewater (4 LEDs symmetrically distributed and 1.00 g L-1 of catalyst) were also assessed on the removal of the antibiotics at real concentrations, as well as on the inactivation and regrowth of bacteria after 3-day storage (total and resistant heterotrophs, Escherichia coli and enterococci). Clindamycin (CLI) was targeted when SMX was not detected. One-hour treatment was enough to reduce the analysed antibiotics to values below the detection limits and to decrease the bacterial load by 2 log-units. Bacterial regrowth was observed for total heterotrophs, after the storage of photocatalytic treated wastewater, to values close to pre-treatment. However, the antibiotic resistance percentage of such stored wastewater was always similar or lower than that of secondary urban wastewater. Thus, the potential of this process as part of the tertiary treatment is demonstrated, but conditions must be adjusted to minimize microbial regrowth.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBiancullo, F., Moreira, N. F. F., Ribeiro, A. R., Manaia, C. M., Faria, J. L., Nunes, O. C., … Silva, A. M. T. (2019). Heterogeneous photocatalysis using UVA-LEDs for the removal of antibiotics and antibiotic resistant bacteria from urban wastewater treatment plant effluents. Chemical Engineering Journal, 367, 304–313. https://doi.org/10.1016/j.cej.2019.02.012pt_PT
dc.identifier.doi10.1016/j.cej.2019.02.012pt_PT
dc.identifier.eid85062097967
dc.identifier.eissn1873-3212
dc.identifier.issn1385-8947
dc.identifier.urihttp://hdl.handle.net/10400.14/27079
dc.identifier.wos000461380400031
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationNORTE-01-0247-FEDER-033330
dc.relationANtibioticS and mobile resistance elements in WastEwater Reuse applications: risks and innovative solutions
dc.relationLaboratory for Process Engineering, Environment, Biotechnology and Energy
dc.relationLaboratory of Separation and Reaction Engineering
dc.relationAdvanced wastewater treatment: organic micropollutants, human pathogens and antibiotic resistance genes
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectTiO2-P25pt_PT
dc.subjectLight emitting diodes (LEDs)pt_PT
dc.subjectMicropollutantpt_PT
dc.subjectDisinfectionpt_PT
dc.subjectAntibiotic resistant bacteriapt_PT
dc.subjectBacterial regrowthpt_PT
dc.titleHeterogeneous photocatalysis using UVA-LEDs for the removal of antibiotics and antibiotic resistant bacteria from urban wastewater treatment plant effluentspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleANtibioticS and mobile resistance elements in WastEwater Reuse applications: risks and innovative solutions
oaire.awardTitleLaboratory for Process Engineering, Environment, Biotechnology and Energy
oaire.awardTitleLaboratory of Separation and Reaction Engineering
oaire.awardTitleAdvanced wastewater treatment: organic micropollutants, human pathogens and antibiotic resistance genes
oaire.awardURIinfo:eu-repo/grantAgreement/EC/H2020/675530/EU
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FEQU%2F00511%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FEQU%2F50020%2F2019/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//PD%2FBD%2F114318%2F2016/PT
oaire.citation.endPage313
oaire.citation.startPage304
oaire.citation.titleChemical Engineering Journalpt_PT
oaire.citation.volume367
oaire.fundingStreamH2020
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameBiancullo
person.familyNameMoreira
person.familyNameManaia
person.familyNameNunes
person.familyNameSilva
person.givenNameFrancesco
person.givenNameNuno
person.givenNameCélia
person.givenNameOlga
person.givenNameAdrián
person.identifier.ciencia-id001F-0D2B-7CDB
person.identifier.ciencia-idC31F-553B-6365
person.identifier.ciencia-idBA14-BD30-C9AF
person.identifier.ciencia-id1F1D-4392-B50F
person.identifier.orcid0000-0002-4363-9141
person.identifier.orcid0000-0003-0631-2059
person.identifier.orcid0000-0002-3674-1789
person.identifier.orcid0000-0003-4742-2537
person.identifier.orcid0000-0001-8551-6353
person.identifier.ridJ-3346-2013
person.identifier.scopus-author-id57201463810
person.identifier.scopus-author-id56637999900
person.identifier.scopus-author-id6602465318
person.identifier.scopus-author-id7005088596
person.identifier.scopus-author-id56329177700
project.funder.identifierhttp://doi.org/10.13039/501100008530
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameEuropean Commission
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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