Application of diffusion model for adsorption of azo reactive dye on pumice

• Autorzy: Veliev E V , Ozturk T. , Veli S. , Fatullayev A.G.
• Języki publikacji: EN

Abstrakty

EN

In this work, adsorption of reactive azo dye on pumice has been studied by using batch techniques. The influence of agitation, initial dye concentration, and adsorbent mass has been studied. The equilibrium adsorption capacity of pumice for dye was obtained by using linear Freundlich isotherm. It was found that pumice could be an appropriate adsorbent in removal of dye from wastewater. In order to explain the adsorption mechanism, a diffusion model was applied, and calculations were made for solid diffusivity, (Ds) and external mass-transfer coefficient (kf). The applied diffusion model showed that kf was constant for all initial dye concentrations (co), and Ds increased as co did. Furthermore, Ds was found to decrease with increasing adsorbent mass.

Słowa kluczowe

EN

diffusion model; textile industry; azo reactive dye; adsorption isotherm; pumice

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2006
• Tom: 15
• Numer: 2
• Opis fizyczny: p.347-353,fig.,ref.

Twórcy

autor

Veliev E V

• University of Kocaeli, 41300, Kocaeli, Turkey

autor

Ozturk T.

autor

Veli S.

autor

Fatullayev A.G.

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