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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemical engineering
Removal of lead (II) and copper (II) from aqueous solution using pomegranate peel as a new adsorbent
Desalination, Volume 223, No. 1-3, Year 2008
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Description
The effective removal of heavy metals from aqueous wastes is among the most important issues for many industrialized countries. Removal of lead (II) and copper (II) from aqueous solutions were studied using pomegranate peel (raw), activated carbon prepared from pomegranate peel (AC1) and activated carbon prepared from chemically treated pomegranate peel (AC2 and AC3). Batch adsorption experiments were performed as a function of pH, contact time, solute concentration and adsorbent dose. The optimum pH required for maximum adsorption were found to be 5.6 and 5.8, for lead and copper respectively. The experimental equilibrium adsorption data are tested for the Langmuir, Freundlich and Temkin equations. Results indicate the following order to fit the isotherms: Langmuir > Temkin > Freundlich in case of lead ions and Freundlich > Temkin > Langmuir in case of copper ions. Adsorption kinetics data were modeled using the pseudo-first and pseudo-second order, Elvoich equations and intraparticle diffusion models. The results indicate that the second-order model best describes adsorption kinetic data. © 2008.
Authors & Co-Authors
El-Ashtoukhy, El Sayed Zakaria
Egypt, Alexandria
Faculty of Engineering
Amin, Nevine Kamal
Egypt, Alexandria
Faculty of Engineering
Abdelwahab, Ola E.
Egypt, Cairo
National Institute of Oceanography and Fisheries
Statistics
Citations: 547
Authors: 3
Affiliations: 2
Identifiers
Doi:
10.1016/j.desal.2007.01.206
ISSN:
00119164
Research Areas
Environmental