Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/36037

Full metadata record
DC FieldValueLanguage
dc.contributor.authorFerraz, A. I.por
dc.contributor.authorCosta, Filomenapor
dc.contributor.authorTavares, M. T.por
dc.contributor.authorTeixeira, J. A.por
dc.date.accessioned2015-07-10T09:37:20Z-
dc.date.available2015-07-10T09:37:20Z-
dc.date.issued2014-
dc.identifier.citationFerraz, A. I.; Costa, F.; Tavares, T.; Teixeira, J. A., Mechanisms of Cr(III) biosorption onto residual brewer's yeast. IWA World Water Congress & Exhibition 2014. Lisboa, Portugal, 21-26 September, 2014.-
dc.identifier.urihttp://hdl.handle.net/1822/36037-
dc.description.abstractThe knowledge and understanding of metal-biomass interactions is crucial to develop and maximize biosorption processes potential to the concentration, removal and recovery of heavy metals from dilute solutions, as well as to define strategies to regenerate and reuse biosorbent in multiple cycles (Ahluwalia and Goyal, 2007; Volesky, 2001). It also turns possible biosorption optimization at a molecular level, including biomass genetic modification to induce changes in morphologic and physiologic characteristics in order to increase metal uptake (Srinath et al., 2002; Volesky, 2001). To reach that purpose, and considering that several mechanisms may contribute to the overall metal uptake depending on the metal and the biosorbent used, environmental factors, and the cell metabolic activity (Dhankhar and Hooda, 2011), it is necessary to study in detail the interactions established in each biosorption system. Heavy metal biosorption involves a combination of several passive accumulation processes, that may include: i) physical adsorption; ii) chemisorption, including ion exchange, coordination, complexation and chelation; iii) and inorganic precipitation (Ahluwalia and Goyal, 2007; Wang and Chen, 2006). According to Gadd (2004), metal-microorganism interactions may be seen as natural strategies to remove, recover or diminish metal toxicity in organic or inorganic forms. Different organisms exhibit different responses to the exposure to toxic ions, varying from transport through cellular membrane, biosorption onto cell walls, entrapment in extracellular structures, precipitation, complexation and redox reactions.por
dc.language.isoengpor
dc.rightsopenAccesspor
dc.titleMechanisms of Cr(III) biosorption onto residual brewer's yeastpor
dc.typeconferenceAbstract-
dc.peerreviewedyespor
dc.relation.publisherversionhttp://www.iwa2014lisbon.org/por
dc.commentsCEB22241por
sdum.publicationstatuspublishedpor
oaire.citationConferenceDate2014por
sdum.event.typeconferencepor
oaire.citationConferencePlaceLisboa, Portugalpor
oaire.citationTitleIWA World Water Congress & Exhibition 2014por
dc.date.updated2015-07-10T07:40:50Z-
Appears in Collections:CEB - Resumos em Livros de Atas / Abstracts in Proceedings

Files in This Item:
File Description SizeFormat 
document_22241_1.pdf251,14 kBAdobe PDFView/Open

Partilhe no FacebookPartilhe no TwitterPartilhe no DeliciousPartilhe no LinkedInPartilhe no DiggAdicionar ao Google BookmarksPartilhe no MySpacePartilhe no Orkut
Exporte no formato BibTex mendeley Exporte no formato Endnote Adicione ao seu ORCID