Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/5407

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dc.contributor.authorFigueiredo, Hugo-
dc.contributor.authorRaposo, M. Manuela M.-
dc.contributor.authorFonseca, A. Maurício C.-
dc.contributor.authorNeves, Isabel C.-
dc.contributor.authorQuintelas, C.-
dc.contributor.authorTavares, M. T.-
dc.date.accessioned2006-08-17T10:50:16Z-
dc.date.available2006-08-17T10:50:16Z-
dc.date.issued2005-
dc.identifier.citationCEJKA, J. ; ZIKOVÁ, N. ; NACHTIGALL, P. eds. - "Studies in surface science and catalysis : molecular sieves from basic research to industrial applications". [S.l.] : Elsevier, 2005. p. 1073-1080.eng
dc.identifier.isbn0444520821por
dc.identifier.issn0167-2991por
dc.identifier.urihttp://hdl.handle.net/1822/5407-
dc.description.abstractThe encapsulation of a pyridazine Cr(III) complex was prepared from a robust biosorption system consisting of a bacterial biofilm supported on NaY or NaX zeolites. The maximum removal efficiency was 20% for Cr in both systems based in NaY or NaX. The bacterial biofilm, Arthrobacter viscosus, supported on the zeolite reduce Cr(VI) to Cr(III). The Cr(III) is retained in the zeolite by ion exchange. These occluded complexes were characterized by chemical analysis, spectroscopic methods (FTIR and UV/Vis) and surface analysis (DRX). The various techniques of characterization used show that the Cr(III) complex was effectively encapsulated in the zeolite and this process does not modified the morphology and structure of the NaY/NaX zeolites. These materials have potential applications in heterogeneous catalysis in mild conditions.eng
dc.description.sponsorshipDepartamento de Ciências da Terra of Universidade do Minho; Fundação para a Ciência e a Tecnologia (FCT)por
dc.language.isoengeng
dc.publisherElseviereng
dc.rightsopenAccesseng
dc.subjectZeoliteseng
dc.subjectArthrobacter viscosuseng
dc.subjectBiosorventseng
dc.subjectPyridazine Cr(III) complexeseng
dc.subjectEncapsulationeng
dc.titleEncapsulated pyridazine Cr(III) complexes prepared from biosorbents supported in zeoliteseng
dc.typeconferencePapereng
dc.peerreviewedyeseng
oaire.citationStartPage1073por
oaire.citationEndPage1080por
oaire.citationVolume158por
dc.subject.wosScience & Technologypor
sdum.journalStudies in Surface Science and Catalysispor
sdum.conferencePublicationMOLECULAR SIEVES: FROM BASIC RESEARCH TO INDUSTRIAL APPLICATIONS, PTS A AND Bpor
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