Sunset Yellow sorption on weak base anion exchanger — kinetic and equilibrium studies

• Autorzy: Wawrzkiewicz M. , Wołowicz A. , Greluk M. , Hubicki Z.
• Języki publikacji: EN

Abstrakty

EN

The sorption equilibrium and kinetics of Sunset Yellow dye in aqueous solutions on the weak base anion exchange resin — Amberlite FPA51 were examined in this paper. The influences of phase contact time, solution pH, initial dye concentration and temperature were studied by the batch method. The amounts of dye sorbed at equilibrium changed from 9.9 to 48.7 mg/g with the increasing initial concentrations in the range 100–500 mg/L. The experimental data were analyzed by the Langmuir, Freundlich, Temkin and Dubinin-Radushkevich models of adsorption. The maximum monolayer capacity was 130.6 mg/g. The sorption free energy was equal to 14.6 kJ/mol and revealed the nature of the ion exchange mechanism in this system. The kinetic data were modelled using the pseudo-first order, pseudo-second order and intraparticle diffusion equations.

Słowa kluczowe

EN

dye; anion exchanger; adsorption; kinetics

• Wydawca: Foundation for Young Scientists
• Czasopismo: Challenges of Modern Technology
• Rocznik: 2011
• Tom: Vol. 2, no. 2
• Strony: 66--70
• Opis fizyczny: Bibliogr. 13 poz., wykr., tab.

Twórcy

autor

Wawrzkiewicz M.

• Maria Curie-Sklodowska University, Faculty of Chemistry, Department of Inorganic Chemistry, M. Sklodowska Sq. 2, 20-031 Lublin

autor

Wołowicz A.

autor

Greluk M.

autor

Hubicki Z.

Bibliografia

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