Please use this identifier to cite or link to this item: http://hdl.handle.net/1822/5957

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dc.contributor.authorFigueiredo, Hugo-
dc.contributor.authorNeves, Isabel C.-
dc.contributor.authorQuintelas, C.-
dc.contributor.authorTavares, M. T.-
dc.contributor.authorTaralunga, M.-
dc.contributor.authorMijoin, J.-
dc.contributor.authorMagnoux, P.-
dc.date.accessioned2007-01-05T17:07:06Z-
dc.date.available2007-01-05T17:07:06Z-
dc.date.issued2005-06-05-
dc.identifier.citationINTERNATIONAL CONFERENCE ON ENVIRONMENTAL CATALYSIS, 4, Heidelberg, 2005 - “International Conference on Environmental Catalysis”. [S.l. : s. n., 2005].eng
dc.identifier.urihttp://hdl.handle.net/1822/5957-
dc.description.abstractThe catalytic oxidation of 1,2-dichlorobenzene at 350 oC was investigated over a robust biosorption system consisting of a bacterial biofilm supported on NaY or NaX zeolites. The batch method has been employed using chromium concentrations in solution ranging from 50 to 250 mgCr/L. The results showed that 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 reduces Cr(VI) to Cr(III). The Cr(III) is retained in the zeolite by ion exchange. The new biosorvents catalysts were characterized by spectroscopic methods (FTIR and ICP-AES), surface analysis (DRX) and thermal analysis (TGA). The various techniques of characterization used show that this biosorption process does not modify the morphology and structure of the FAUzeolites. These catalysts, Cr/FAU, prepared through this new procedure present good activity and selectivity for dichlorobenzene oxidation in wet air. The Cr50-Y was selected as the most active, selective and stable catalyst for oxidation of 1,2 dichlorobenzene in wet air.eng
dc.description.sponsorshipFundação para a Ciência e a Tecnologia (FCT)eng
dc.description.sponsorshipDepartamento de Ciências da Terra of Universidade do Minhoeng
dc.description.sponsorshipAgence de l’Environnement et de la Maîtrise de l’Energie (ADEME) and the Région Poitou-Charenteseng
dc.language.isoengeng
dc.relation.ispartofseries2005eng
dc.rightsopenAccesseng
dc.subjectZeoliteseng
dc.subjectArthrobacter viscosuseng
dc.subjectBiosorventseng
dc.subjectCr/FAUeng
dc.subjectVOCseng
dc.subjectOxidationeng
dc.titleCatalytic behavior of biosorbents supported in zeoliteseng
dc.typeconferencePapereng
dc.peerreviewedyeseng
Appears in Collections:CEB - Artigos em Livros de Atas / Papers in Proceedings

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