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    • ISSN: 1793-821X
    • Frequency: Quarterly (2013-2014); Bimonthly (Since 2015)
    • DOI: 10.18178/JOCET
    • Editor-in-Chief: Prof. Haider F. Abdul Amir
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School of Science and Technology Universiti Malaysia Sabah, Malaysia.
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JOCET 2014 Vol.2(3): 229-232 ISSN: 1793-821X
DOI: 10.7763/JOCET.2014.V2.129

Adsorption of Copper by Two Different Size Gravels

A. Y. Abdulfatah, I. U. Salihi, and A. R. Anwar
Abstract—Laboratory experimental results are presented to determine the level of adsorption of copper by two different size gravels. A 6mm pea-gravel and 30-60mm gravels were used for the experiments in which the gravel samples were soaked and shaken in copper solutions prepared with varying concentrations of 10.0, 20.0 and 30.0 mg/L. Effluents samples were collected and diluted to a ratio of 1 to 10 ml. These samples were monitored by an inductively couple plasma (ICP) and the detected concentrations were multiplied by 10 to balance the dilution effect. The Henry, Langmuir and Freundlich Isotherms were considered in each case for the determination of the adsorption level. The Freundlich model gave better results for the two gravel samples with a regression coefficient, R2 of 0.999987 for the pea-gravel and 0.5717 for 30-60mm gravels respectively. The straight line equation indicates good adsorption capacity of the Copper onto the pea-gravel more than the 30-60mm gravels in accordance with the Freundlich isotherms.

Index Terms—Adsorption of species, copper, gravels, and isotherm models.

A. Y. Abdulfatah and I. U. Salihi are with the Department of Civil Engineering, Bayero University Kano, P.M.B. 3011 Kano Nigeria (e-mail: ayabdulfatah.civ@buk.edu.ng; iusalihi.civ@buk.edu.ng).
A. R. Anwar is with the Civil Engineering Department, University of Ilorin, P.M.B. 1515, Ilorin Nigeria (e-mail: saiyadianwar@yahoo.com).

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Cite:A. Y. Abdulfatah, I. U. Salihi, and A. R. Anwar, "Adsorption of Copper by Two Different Size Gravels," Journal of Clean Energy Technologies vol. 2, no. 3, pp. 229-232, 2014.

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