Copper removal using a heavy-metal resistant microbial consortium in a fixed-bed reactor

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dc.contributor.authorCARPIO, ISIS E.M.
dc.contributor.authorMACHADO-SANTELLI, GLAUCIA
dc.contributor.authorSAKATA, SOLANGE K.
dc.contributor.authorFERREIRA FILHO, SIDNEY S.
dc.contributor.authorRODRIGUES, DEBORA F.
dc.coverageInternacionalpt_BR
dc.date.accessioned2014-08-18T13:32:32Z
dc.date.available2014-08-18T13:32:32Z
dc.date.issued2014pt_BR
dc.description.abstractA heavy-metal resistant bacterial consortium was obtained from a contaminated river in Sao Paulo, Brazil and utilized for the design of a fixed-bed column for the removal of ~ copper. Prior to the design of the fixed-bed bioreactor, the copper removal capacity by the live consortium and the effects of copper in the consortium biofilm formation were investigated. The Langmuir model indicated that the sorption capacity of the consortium for copper was 450.0 mg/g dry cells. The biosorption of copper into the microbial biomass was attributed to carboxyl and hydroxyl groups present in the microbial biomass. The effect of copper in planktonic cells to form biofilm under copper rich conditions was investigated with confocal microscopy. The results revealed that biofilm formed after 72 h exposure to copper presented a reduced thickness by 57% when compared to the control; however 84% of the total cells were still alive. The fixed-bed bioreactor was set up by growing the consortium biofilm on granular activated carbon (GAC) and analyzed for copper removal. The biofilm-GAC (BGAC) column retained 45% of the copper mass present in the influent, as opposed to 17% in the control column that contained GAC only. These findings suggest that native microbial communities in sites contaminated with heavy metals can be immobilized in fixed-bed bioreactors and used to treat metal contaminated water.
dc.format.extent156-166pt_BR
dc.identifier.citationCARPIO, ISIS E.M.; MACHADO-SANTELLI, GLAUCIA; SAKATA, SOLANGE K.; FERREIRA FILHO, SIDNEY S.; RODRIGUES, DEBORA F. Copper removal using a heavy-metal resistant microbial consortium in a fixed-bed reactor. <b>Water Research</b>, v. 62, p. 156-166, 2014. DOI: <a href="https://dx.doi.org/10.1016/j.watres.2014.05.043">10.1016/j.watres.2014.05.043</a>. Disponível em: http://repositorio.ipen.br/handle/123456789/8967.
dc.identifier.doi10.1016/j.watres.2014.05.043
dc.identifier.issn0043-1354pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-6072-5853
dc.identifier.urihttp://repositorio.ipen.br/handle/123456789/8967
dc.identifier.vol62pt_BR
dc.relation.ispartofWater Researchpt_BR
dc.rightsopenAccess
dc.subjectbrazil
dc.subjectrivers
dc.subjectcontamination
dc.subjectcopper
dc.subjectadsorption
dc.subjectheavy metals
dc.subjectfilms
dc.subjectbacteria
dc.subjectbiomass
dc.subjectbioreactors
dc.titleCopper removal using a heavy-metal resistant microbial consortium in a fixed-bed reactorpt_BR
dc.typeArtigo de periódicopt_BR
dspace.entity.typePublication
ipen.autorISIS ELAINE MEJIAS CARPIO
ipen.autorDEBORA FRIGI RODRIGUES
ipen.autorSOLANGE KAZUMI SAKATA
ipen.codigoautor10834
ipen.codigoautor10379
ipen.codigoautor7038
ipen.contributor.ipenauthorISIS ELAINE MEJIAS CARPIO
ipen.contributor.ipenauthorDEBORA FRIGI RODRIGUES
ipen.contributor.ipenauthorSOLANGE KAZUMI SAKATA
ipen.date.recebimento14-08pt_BR
ipen.identifier.fi5.528pt_BR
ipen.identifier.ipendoc20066pt_BR
ipen.identifier.ods6
ipen.range.fi4.500 - 5.999
ipen.type.genreArtigo
relation.isAuthorOfPublication7a398472-9730-4bfc-bef6-ac3a0b691f61
relation.isAuthorOfPublicationf1c4384d-9878-4aef-a97e-6397ecefab4c
relation.isAuthorOfPublicationfb62f288-104d-4352-aed0-a18e0da21a1b
relation.isAuthorOfPublication.latestForDiscovery7a398472-9730-4bfc-bef6-ac3a0b691f61
sigepi.autor.atividadeCARPIO, ISIS E.M.:10834:1120:S
sigepi.autor.atividadeSAKATA, SOLANGE K.:7038:1120:N
sigepi.autor.atividadeRODRIGUES, DEBORA F.:10379:-1:N
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