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Journal of Engineering
Volume 2013, Article ID 167518, 8 pages
Research Article

Biosorption of Lead Ions from Aqueous Solution Using Ficus benghalensis L.

1Faculty of Science & Engineering, York University, 4700 Keele Street, Toronto, ON, Canada M3J 1P3
2Department of Chemical Engineering, R.V.R & J.C College of Engineering, Guntur 522019, India

Received 24 February 2013; Revised 1 July 2013; Accepted 2 July 2013

Academic Editor: Dmitry Murzin

Copyright © 2013 Venkateswara Rao Surisetty et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Ficus benghalensis L., a plant-based material leaf powder, is used as an adsorbent for the removal of lead ions from aqueous solution using the biosorption technique. The effects of process parameters such as contact time, adsorbent size and dosage, initial lead ion concentration, and pH of the aqueous solution on bio-sorption of lead by Ficus benghalensis L. were studied using batch process. The Langmuir isotherm was more suitable for biosorption followed by Freundlich and Temkin isotherms with a maximum adsorption capacity of 28.63 mg/g of lead ion on the biomass of Ficus benghalensis L. leaves.