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Adsorption of γ-picoline onto acid-activated bentonite from aqueous solution
AbstractThe adsorption of γ-picoline onto acid-activated bentonite was investigated. The adsorption reached a maximum at pH=7. Pseudo-first-order, pseudo-second-order, the Elovich equation, and intraparticle diffusion models were used to analyze the kinetic data obtained at different concentrations. The pseudo-second-order model was best applicable to describe the adsorption of γ-picoline on acid-activated bentonite. The Langmuir model provided good correlation with the experimental data. The adsorption of γ-picoline was endothermic with ∆H°=29J/mol.
Adsorption of γ-picoline onto acid-activated bentonite from aqueous solution
AbstractThe adsorption of γ-picoline onto acid-activated bentonite was investigated. The adsorption reached a maximum at pH=7. Pseudo-first-order, pseudo-second-order, the Elovich equation, and intraparticle diffusion models were used to analyze the kinetic data obtained at different concentrations. The pseudo-second-order model was best applicable to describe the adsorption of γ-picoline on acid-activated bentonite. The Langmuir model provided good correlation with the experimental data. The adsorption of γ-picoline was endothermic with ∆H°=29J/mol.
Adsorption of γ-picoline onto acid-activated bentonite from aqueous solution
Rawajfih, Zahir (Autor:in) / Nsour, Najwa (Autor:in)
Applied Clay Science ; 47 ; 421-427
18.12.2009
7 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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