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Treatment of a simulated wastewater amended with a chiral pharmaceuticals mixture by an aerobic granular sludge sequencing batch reactor

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dc.contributor.authorAmorim, Catarina L.
dc.contributor.authorMoreira, Irina S.
dc.contributor.authorRibeiro, Ana T.
dc.contributor.authorSantos, Lúcia H.M.L.M.
dc.contributor.authorDelerue-Matos, Cristina
dc.contributor.authorTiritan, Maria Elizabeth
dc.contributor.authorCastro, Paula M. L.
dc.date.accessioned2017-10-16T16:43:30Z
dc.date.available2017-10-16T16:43:30Z
dc.date.issued2016
dc.description.abstractAn aerobic granular sludge-sequencing batch reactor (AGS-SBR) was fed for 28-days with a simulated wastewater containing a mixture of chiral pharmaceuticals (CPs) (alprenolol, bisoprolol, metoprolol, propranolol, venlafaxine, salbutamol, fluoxetine and norfluoxetine), each at 1.3 μg L−1. AGS-SBR exhibited the highest removal efficiency for norfluoxetine, with preferential removal of the (R)-enantiomer indicating that biological-mediated processes occurred. For all other CPs, removal was non-enantioselective, occurring through biosorption onto AGS. A gradual decline of CPs removal was observed, probably related to the decrease of AGS adsorption capacity. Moreover, chemical oxygen demand (COD) content in the bulk liquid after anaerobic feeding increased, and P-release dropped, probably because the polyphosphate-accumulating organism's activity was affected. Nitrification was also affected as indicated by the ammonium effluent concentration increase. Moreover, CPs exposure promoted AGS disintegration, with decreasing granule size. After stopping CPs feeding, the AGS started to recover its compact structure, and the system returned its normal performance concerning COD- and P-removal. N-removal seemed to be a more sensitive process, as while the ammonium levels were fully restored at the end of operation, nitrite reduction was only partially restored. Results provide useful information on AGS performance during the treatment of wastewater containing pharmaceuticals, a frequent scenario in WWTP.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAMORIM, Catarina L.; MOREIRA, Irina S.; RIBEIRO, Ana R.; SANTOS, Lucia H. M. L. M.; DELERUE-MATOS, Cristina; TIRITAN, Maria Elizabeth; CASTRO, Paula M. L. -Treatment of a simulated wastewater amended with a chiral pharmaceuticals mixture by an aerobic granular sludge sequencing batch reactor. International Biodeterioration & Biodegradation. ISSN 1879-0208. Vol. 115 (2016), p. 277-285pt_PT
dc.identifier.doi10.1016/j.ibiod.2016.09.009pt_PT
dc.identifier.eid84988037427
dc.identifier.urihttp://hdl.handle.net/10400.14/23124
dc.identifier.wos000388048700035
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevier
dc.relationMETA-ANALYSIS IN AEROBIC GRANULAR SLUDGE BIOREACTORS FOR WASTEWATER TREATMENT
dc.relationFLUOROPHARMA - Biodegradation and removal of chiral and achiral fluorinated pharmaceuticals from wastewaters
dc.subjectAerobic granular sludgept_PT
dc.subjectChiral pharmaceuticalspt_PT
dc.subjectEnantiomerspt_PT
dc.subjectNutrients removalpt_PT
dc.subjectGranular morphologypt_PT
dc.titleTreatment of a simulated wastewater amended with a chiral pharmaceuticals mixture by an aerobic granular sludge sequencing batch reactorpt_PT
dc.typejournal article
dspace.entity.typePublication
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oaire.awardTitleMETA-ANALYSIS IN AEROBIC GRANULAR SLUDGE BIOREACTORS FOR WASTEWATER TREATMENT
oaire.awardTitleFLUOROPHARMA - Biodegradation and removal of chiral and achiral fluorinated pharmaceuticals from wastewaters
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oaire.citation.endPage285
oaire.citation.startPage277
oaire.citation.titleInternational Biodeterioration and Biodegradationpt_PT
oaire.citation.volume115
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