Journal Title
Title of Journal: JICS
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Abbravation: Journal of the Iranian Chemical Society
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Publisher
Springer-Verlag
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Authors: R A K Rao S Ikram J Ahmad
Publish Date: 2012/08/04
Volume: 8, Issue: 4, Pages: 931-943
Abstract
The ability of polystyrenealuminaactivated carbon composite as a synthetic adsorbent was investigated for the removal of PbII ions from aqueous solutions Various physicochemical parameters such as pH initial metal ion concentration adsorbent dosage and contact time were studied The optimum solution pH for the maximum adsorption of PbII was found to be 4 Kinetic data were best described by pseudosecondorder model The adsorption process followed both Langmuir and Freundlich adsorption isotherms at 30 °C Thermodynamic studies indicated that the adsorption was spontaneous and endothermic in nature Desorption studies were carried out by batch and column operations and it was found that 97 PbII could be recovered by the column process using 01 M HCl as eluent
Keywords:
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