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Adsorption of γ-picoline onto acid-activated bentonite from aqueous solution

Rawajfih, Zahir / Nsour, Najwa

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.

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Adsorption of γ-picoline onto acid-activated bentonite from aqueous solution

Rawajfih, Zahir / Nsour, Najwa

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 / Nsour, Najwa

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.

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Title:

Adsorption of γ-picoline onto acid-activated bentonite from aqueous solution

Contributors:

Rawajfih, Zahir (author) / Nsour, Najwa (author)

Published in:

Applied Clay Science ; 47 ; 421-427

Publication date:

2009-12-18

Size:

7 pages

ISSN:

DOI:

https://doi.org/10.1016/j.clay.2009.12.012

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Acid-activated bentonite , Adsorption , Isosteric heat , γ-picoline

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