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Cadmium and lead removal from aqueous solution by grape stalk wastes: modeling of a fixed-bed column
dc.contributor.author | Miralles Esteban, Núria |
dc.contributor.author | Valderrama Ángel, César Alberto |
dc.contributor.author | Casas Pons, Ignasi |
dc.contributor.author | Martínez Martínez, María del Rosario |
dc.contributor.author | Florido Pérez, Antonio |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament d'Enginyeria Química |
dc.date.accessioned | 2010-11-29T11:38:28Z |
dc.date.available | 2010-11-29T11:38:28Z |
dc.date.created | 2010-09 |
dc.date.issued | 2010-09 |
dc.identifier.citation | Miralles, N. [et al.]. Cadmium and lead removal from aqueous solution by grape stalk wastes: modeling of a fixed-bed column. "Journal of chemical and engineering data", Setembre 2010, vol. 55, núm. 9, p. 3548-3554. |
dc.identifier.issn | 0021-9568 |
dc.identifier.uri | http://hdl.handle.net/2117/10443 |
dc.description.abstract | Grape stalk wastes generated in the wine production process were used for the removal of cadmium and lead ions from aqueous solutions. The experimental breakthrough curves (BTC) were obtained from fixedbed columns. Experiments were carried out to evaluate the influence of both inlet metal concentration and sorbent particle size. The experimental data were fitted to the Thomas model, a well-established fixed-bed sorption model. The theoretical sorption capacities obtained by the Thomas model were in good agreement with the breakthrough capacities determined from the sorption data. The CXTFIT code was used to determine the transport and sorption parameters of the convective-dispersive equation (CDE) and the two-site deterministic nonequilibrium (TSM/CDE) model by adjusting the models to the experimental breakthrough curves. The results showed that sorption capacities as well as both transport and sorption parameters were affected by the initial metal concentration as well as by the sorbent particle size. |
dc.format.extent | 7 p. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Enginyeria química |
dc.subject.lcsh | Grapes |
dc.subject.lcsh | Cadmium |
dc.subject.lcsh | Wine--Chemistry |
dc.subject.lcsh | Lead |
dc.title | Cadmium and lead removal from aqueous solution by grape stalk wastes: modeling of a fixed-bed column |
dc.type | Article |
dc.subject.lemac | Vi -- Anàlisi -- Plom |
dc.subject.lemac | Indústria vinícola |
dc.contributor.group | Universitat Politècnica de Catalunya. SETRI - Grup de Tècniques de Separació i Tractament de Residus Industrials |
dc.identifier.doi | 10.1021/je100200w |
dc.relation.publisherversion | http://pubs.acs.org/doi/abs/10.1021/je100200w |
dc.rights.access | Open Access |
local.identifier.drac | 3108251 |
dc.description.version | Postprint (published version) |
local.citation.author | Miralles, N.; Valderrama, C.A.; Casas, I.; Martínez, M.; Florido, A. |
local.citation.publicationName | Journal of chemical and engineering data |
local.citation.volume | 55 |
local.citation.number | 9 |
local.citation.startingPage | 3548 |
local.citation.endingPage | 3554 |
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