dc.creatorSilva E.A.
dc.creatorVaz L.G.L.
dc.creatorVeit M.T.
dc.creatorFagundes-Klen M.R.
dc.creatorCossich E.S.
dc.creatorTavares C.R.G.
dc.creatorCardozo-Filho L.
dc.creatorGuirardello R.
dc.date2010
dc.date2015-06-26T12:36:13Z
dc.date2015-11-26T15:26:07Z
dc.date2015-06-26T12:36:13Z
dc.date2015-11-26T15:26:07Z
dc.date.accessioned2018-03-28T22:34:53Z
dc.date.available2018-03-28T22:34:53Z
dc.identifier
dc.identifierAdsorption Science And Technology. , v. 28, n. 5, p. 449 - 464, 2010.
dc.identifier2636174
dc.identifier10.1260/0263-6174.28.5.449
dc.identifierhttp://www.scopus.com/inward/record.url?eid=2-s2.0-79551473392&partnerID=40&md5=1f9d1db97ee719804050ac1903e378e2
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/91044
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/91044
dc.identifier2-s2.0-79551473392
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1261059
dc.descriptionThe simultaneous biosorption of chromium(III) and copper(II) ions onto Sargassum sp. alga in a fixed-bed column reactor was investigated. Experiments were undertaken to determine the effect of the feed concentration (1, 2, 3 and 6 mequiv/l) and the composition of the metal ion solution [0.25, 0.50 and 0.75 Cu(II)/Cr(III) ratio] on the behaviour of the breakthrough curves. A mathematical model was applied to describe the biosorption in a fixed-bed column. Equilibrium was described in this model in terms of a binary Langmuirtype adsorption process, together with mass transfer in the biosorbent based on the Linear Driving Force (LDF) model. The partial differential equations for the system were solved numerically by the finite volume method. The proposed mathematical model for the biosorption process provided a satisfactory description of the dynamics of metal ion removal in the column relative to the experimental data obtained. The adsorptive capacity of the biomass for Cr(III) ions in the binary system was greater than that for Cu(II) ions. The developed model could provide a useful tool for the optimization of Cr(III) and Cu(II) ion removal processes by Sargassum sp. biomass and the design of the corresponding fixed-bed columns.
dc.description28
dc.description5
dc.description449
dc.description464
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dc.languageen
dc.publisher
dc.relationAdsorption Science and Technology
dc.rightsfechado
dc.sourceScopus
dc.titleBiosorption Of Chromium(iii) And Copper(ii) Ions Onto Marine Alga Sargassum Sp. In A Fixed-bed Column
dc.typeArtículos de revistas


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