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Simultaneous Removal of Pb(II), Cd(II) and Cu(II) from Aqueous Solutions by Adsorption on <em>Triticum aestivum</em> - a Green Approach | OMICS International | Abstract
ISSN: 2157-7587

Hydrology: Current Research
Open Access

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Research Article

Simultaneous Removal of Pb(II), Cd(II) and Cu(II) from Aqueous Solutions by Adsorption on Triticum aestivum - a Green Approach

Sana Zulfiqar Ali, Makshoof Athar, Muhammad Salman* and Muhammad Imran Din
Institute of Chemistry, University of the Punjab, Lahore-54590, India
Corresponding Author : Dr. Muhammad Salman
Institute of Chemistry
University of the Punjab
Lahore-54590
Tel: +92-3334508912
E-mail: [email protected]
Received July 04, 2011; Accepted August 09, 2011; Published August 31, 2011
Citation: Ali SZ, Athar M, Salman M, Din MI (2011) Simultaneous Removal of Pb(II), Cd(II) and Cu(II) from Aqueous Solutions by Adsorption on Triticum Aestivum - a Green Approach. Hydrol Current Res 2:118. doi: 10.4172/2157-7587.1000118
Copyright: © 2011 Ali SZ, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

The presence of heavy metals in industrial effluents as a single component is generally very rare. The present study provides information about adsorption behaviour of lead, cadmium and copper in single and multi-component system using triticum aestivum (wheat straw) as adsorbent. It has been shown that adsorption of a certain metal ion is greatly affected by the presence of other metal ions. Effects of process parameters (adsorbent dose, contact time, pH, agitation speed etc.) have been studied. pH 4-6 have been found suitable for metal removal. Adsorption mechanism has been evaluated using five adsorption isotherm models (Langmuir, Freundlich, Temkin, Harkin- Jura and Halsey Isotherms). Removal of cadmium in multi-component system is greater as compared in single component system indicating the metal competition for adsorption sites. Kinetic and thermodynamic parameters have also been calculated and obtained results were found closely related to the reported literature. Positive values of ?H° for lead, cadmium and copper shows feasibility of the process and the spontaneous nature of adsorption.

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