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Comparative of the removal of Pb2+, Cd2+ and Ni2+ by nano crystallite hydroxyapatite from aqueous solutions: Adsorption isotherm study

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Mobasherpour, I., Salahi, E., Pazouki, M.·2012·Arabian Journal of Chemistry
DOI 10.1016/j.arabjc.2010.12.022
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Abstract

Release of heavy metal onto the water and soil as a result of agricultural and industrial activities may pose a serious threat to the environment. In this study, the adsorption behavior of nano hydroxyapatite with respect to Pb2+, Cd2+ and Ni2+ has been studied in order to consider its application to purity metal finishing wastewater. The batch method has been employed, using metal concentrations in solution ranging from 100 to 400 mg/L. The uptake capacity and distribution coefficients (Kd) were determined for the adsorption system as a function of sorbate concentration. The Langmuir, Freundlich, and Dubinin–Kaganer–Radushkevich (DKR) isotherms applied for sorption studies showed that the amount of metal sorbed on nano hydroxyapatite. It was found that the adsorption phenomena depend on charge density and hydrated ion diameter. According to the equilibrium studies, the selectivity sequence can be given as Pb2+ > Cd2+ > Ni2+. These results show that nano hydroxyapatite holds great potential to remove cationic heavy metal species from industrial wastewater.

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Metadata

Authors
Mobasherpour, I., Salahi, E., & Pazouki, M.
Venue
Arabian Journal of Chemistry
Publisher
Scientific Scholar
Published
2012-10
Volume
5
Issue
4
Pages
439-446
ISSN
1878-5352 (ISSN-L)
DOI
10.1016/j.arabjc.2010.12.022
OpenAlex
W2051925802
Cited by
282
References
3
FWCI
4.14
Type
journal article
Language
en
Open access
hybrid
Licence

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CoChat. (2026). Citation check: Comparative of the removal of Pb2+, Cd2+ and Ni2+ by nano crystallite hydroxyapatite from aqueous solutions: Adsorption isotherm study. https://app.cochat.ai/papers/10.1016/j.arabjc.2010.12.022
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Mobasherpour, I., Salahi, E., & Pazouki, M. (2012). Comparative of the removal of Pb2+, Cd2+ and Ni2+ by nano crystallite hydroxyapatite from aqueous solutions: Adsorption isotherm study. Arabian Journal of Chemistry. https://doi.org/10.1016/j.arabjc.2010.12.022

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