Abstract
Waste of polystyrene was converted into a cation exchange resin and was used for the removal of lead and cadmium metals from aqueous solution. Wastes consisting of coffee cups were crushed into small pieces and immersed into a solution of sulfuric acid in order to attach sulfonic group to polymer chain, these groups are responsible for the exchange properties of the modified plastic. The cation exchange capacity (CEC) was determined and was comparable to commercial exchangers. The adsorption isotherms of resin with synthetic wastewater containing lead and cadmium ions were tested. Adsorption analysis results obtained at various concentrations showed that the adsorption pattern on the resin followed Langmuir isotherms.
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Acknowledgment
A part of this work has been done in the department of material in “L‘Institut National de la Recherche Scientifique et Technique”, I would like to thank especially Dr. Srasra Ezzedine for its considerable help.
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Bekri-Abbes, I., Bayoudh, S. & Baklouti, M. Converting Waste Polystyrene into Adsorbent: Potential Use in the Removal of Lead and Cadmium Ions from Aqueous Solution. J Polym Environ 14, 249–256 (2006). https://doi.org/10.1007/s10924-006-0018-3
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DOI: https://doi.org/10.1007/s10924-006-0018-3