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The combination of Luffa cylindrical fibers and metal oxides offers a highly performing hybrid fiber material in water decontamination

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Abstract

The present investigation aims to prepare a hybrid material from Luffa cylindrica and metal oxides (ZnO, Al2O3) by precipitation for different percentages of zinc and aluminum (1, 2, and 4%) with a determined amount of biomass (a diameter of 250 μm). Physicochemical characterization of “Luffa cylindrica” and “Luffa cylindrica-metal oxides” was carried out by Boehm titration, pHPZC determination, scanning electron microscopy (SEM), and FTIR spectroscopic analysis. The process was optimized according to the adsorbed amount of methylene blue: MB (cationic dye) and methyl orange: MO (anionic dye) onto Luffa cylindrica and hybrid materials prepared. The results demonstrated the efficiency of the designed hybrid materials in removing MB and MO, accelerating the biosorption process and improving the performance of Luffa cylindrica fibers. The highest quantities adsorbed of dyes were obtained by the hybrid material prepared using 4% ZnO. Finally, the Brouers-Sotolongo mathematical modeling of kinetics was used in order to describe the pollutants retention process.

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Acknowledgements

The authors are particularly grateful for the financial support given by the Laboratory of Energy and Materials (High School of Sciences and Technology of Hammam Sousse). Special regards are also due to Pr. Kamel MAALOUL, translator and English language proofreading expert, for his valuable help with proofreading and language polishing of the manuscript.

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Correspondence to Aida Kesraoui.

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Responsible editor: Guilherme L. Dotto

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Kesraoui, A., Bouzaabia, S. & Seffen, M. The combination of Luffa cylindrical fibers and metal oxides offers a highly performing hybrid fiber material in water decontamination. Environ Sci Pollut Res 26, 11524–11534 (2019). https://doi.org/10.1007/s11356-018-1507-3

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  • DOI: https://doi.org/10.1007/s11356-018-1507-3

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