Removal of cadmium ions from water by synthetic niobia

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dc.creatorMelo, Érika Soares de
dc.creatorCarvalho, Kele Tatiane Gomes
dc.creatorOliveira, Luiz Carlos Alves de
dc.date.accessioned2018-02-23T11:05:04Z
dc.date.available2018-02-23T11:05:04Z
dc.description.abstractThe feasibility of using synthetic niobia, both pure and modified with H2O2, as adsorbents for the removal of Cd2+ ions from aqueous solution has been studied. Different adsorption isotherms were obtained using Cd2+ ion concentrations ranging from 10 mg/ℓ to 500 mg/ℓ. At an initial pH value of 4.5, the Cd2+ ion adsorption capacity of synthetic niobia at 298 K was estimated as 182 mg/g. The Freundlich adsorption isotherm model gave the better fit to the equilibrium adsorption data for Cd2+ ions. The thermodynamic parameters for the studied system showed that the adsorption process was spontaneous and endothermic. The results obtained suggest that niobia may be employed as an efficient material for the removal of Cd2+ ions from aqueous solution.pt_BR
dc.identifier.citationMELO, E. S.; CARVALHO, K. T. G; OLIVEIRA, L. C. A. Removal of cadmium ions from water by synthetic niobia. Adsorption Science & Technology, [S.l.], v. 29, n. 8, p. 789-797, 2011.pt_BR
dc.identifier.urihttps://repositorio.ufla.br/handle/1/28645
dc.identifier.urihttp://journals.sagepub.com/doi/abs/10.1260/0263-6174.29.8.789pt_BR
dc.languageen_USpt_BR
dc.publisherSAGE Publicationspt_BR
dc.rightsopenAccesspt_BR
dc.sourceAdsorption Science & Technologypt_BR
dc.titleRemoval of cadmium ions from water by synthetic niobiapt_BR
dc.typeArtigopt_BR

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