Sorption of Pb2+ from Aqueous Solution unto Modified Rice Husk: Isotherms Studies

Dada, A. O. and Ojediran, J. O. and Olalekan, Abiodun Paul (2013) Sorption of Pb2+ from Aqueous Solution unto Modified Rice Husk: Isotherms Studies. Advances in Physical Chemistry, 2013. pp. 1-6. ISSN 1687-7985

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Official URL: http://dx.doi.org/10.1155/2013/842425

Abstract

Investigation of the sorption potential of rice husk, an agricultural waste, as an adsorbent was carried out.The rice husk was modified with orthophosphoric acid and was used for adsorption of lead (II) ions (Pb2+) from aqueous solution. Physicochemical properties of the modified rice husk were determined. Equilibrium sorption data were confirmed with Langmuir, Freundlich and Temkin adsorption isotherms. On the basis of adsorption isotherm graphs, R2 values were determined to be 0.995, 0.916, and 0.797 for Langmuir, Temkin, and Freundlich isotherms, respectively, indicating that the data fitted well into the adsorption isotherms, but Langmuir isotherm is a better model. The maximum monolayer coverage from Langmuir studies,

Item Type: Article
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Engineering, Science and Mathematics > School of Chemistry
Depositing User: Dr Adewumi Oluwasogo DADA
Date Deposited: 13 Jun 2014 11:54
Last Modified: 13 Jun 2014 11:54
URI: http://eprints.lmu.edu.ng/id/eprint/3

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