Preparation,characterization and thermal studies of polymer inclusion cellulose acetate membrane with calix[4]resorcinarenes as carriers |
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| Authors: | Nadjib Benosmane Bouzid Guedioura Safouane Mohammed Hamdi Maamar Hamdi Baya Boutemeur |
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| Affiliation: | 1. Laboratoire de Chimie Organique Appliquée (Groupe Hétérocycles Associé CRAPC), Faculté de Chimie, Université des Sciences et de la Technologie Houari Boumediène, BP 32, El-Alia, 16111 Bab-Ezzouar, Alger, Algeria;2. Division réacteur/Centre de Recherche Nucléaire de Draria, CRND, BP 43 Draria, Alger, Algeria;3. Laboratoire de Biochimie-Purpan, Institut Fédératif de Biologie, CHU Toulouse 330, avenue de Grande-Bretagne — F-31059 Toulouse Cedex 9, France |
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| Abstract: | A polymer inclusion membrane (PIM) system with cellulose acetate polymer as support and calix4]resorcinarenes as carriers has been developed. Special attention was paid to PIM characterization using scanning electron microscopy, Fourier-transform infra-red study, X-ray scattering and thermogravimetric analyses. The efficiency of the membrane transport was optimized as a function of pH, stirring speed, aqueous phases and membrane composition. The results suggested that the transport mechanism is a counter-transport of protons, the mechanism was mainly controlled by the diffusion of the complex formed in the membrane core. Analysis of lead(II) transport through these PIMs was performed. It was found that calix4]resorcinarenes containing membranes were flexible, resistant and heterogeneous without plasticizer addition. |
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