Adsorption Behaviour of La(III) and Eu(III) Ions from Aqueous Solutions by Hydroxyapatite : Kinetic, Isotherm, and Thermodynamic Studies
Joint Authors
Quiroz-Granados, L. A.
Vilchis-Granados, J.
Jiménez-Reyes, M.
Granados-Correa, F.
Source
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-11-05
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
The hydroxyapatite was successfully synthesized, characterized, and used as an alternative low-cost adsorbent material to study the adsorption behavior of La(III) and Eu(III) ions from nitrate aqueous solutions as a function of contact time, initial metal ion concentration, pH, and temperature by using a bath technique.
The kinetic data correspond very well to the pseudo-second-order equation, and in both cases the uptake was affected by intraparticle diffusion.
Isotherm adsorption data were well fitted by the Freundlich model equation with 1/n>1, indicating a multilayer and cooperative-type adsorption.
Thermodynamic parameters for the adsorption systems were determinated at 293, 303, 313, and 323 K.
These parameters show that adsorptions of La(III) and Eu(III) ions on hydroxyapatite are endothermic and spontaneous processes.
The adsorption was found to follow the order Eu(III) > La(III) and is dependent on ion concentration, pH, and temperature.
American Psychological Association (APA)
Granados-Correa, F.& Vilchis-Granados, J.& Jiménez-Reyes, M.& Quiroz-Granados, L. A.. 2012. Adsorption Behaviour of La(III) and Eu(III) Ions from Aqueous Solutions by Hydroxyapatite : Kinetic, Isotherm, and Thermodynamic Studies. Journal of Chemistry،Vol. 2013, no. 2013, pp.1-9.
https://search.emarefa.net/detail/BIM-495881
Modern Language Association (MLA)
Granados-Correa, F.…[et al.]. Adsorption Behaviour of La(III) and Eu(III) Ions from Aqueous Solutions by Hydroxyapatite : Kinetic, Isotherm, and Thermodynamic Studies. Journal of Chemistry No. 2013 (2013), pp.1-9.
https://search.emarefa.net/detail/BIM-495881
American Medical Association (AMA)
Granados-Correa, F.& Vilchis-Granados, J.& Jiménez-Reyes, M.& Quiroz-Granados, L. A.. Adsorption Behaviour of La(III) and Eu(III) Ions from Aqueous Solutions by Hydroxyapatite : Kinetic, Isotherm, and Thermodynamic Studies. Journal of Chemistry. 2012. Vol. 2013, no. 2013, pp.1-9.
https://search.emarefa.net/detail/BIM-495881
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-495881
