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Removal of metallic cations from aqueous solutions using acorn pericarp fractions of Quercus ilex as new biosorbents

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Abstract

Acorn pericarps of the Algerian holm oak (Quercus ilex) constitute a largely underexploited forestry co-product. In the aim of valorization, adsorption efficiencies of crude, parietal, and lignocellulosic fractions of acorn pericarps were evaluated towards lead, cadmium, nickel, and copper ions. The results were modeled using Langmuir and Freundlich isotherms. The best results were obtained with the lignocellulosic fraction towards lead and cadmium with qmax values of 370.37 and 303.03 mg.g−1, respectively. On the contrary, crude and parietal fractions showed the highest capacities for nickel and copper, with qmax values of 200 and 303.03 mg.g−1, respectively. This work thus provides the first trial of acorn pericarps of oaks growing in northwest Algeria as an efficient biosorbent for the removal of metallic cations from aqueous solutions, whose adsorption capacities surpass most of the previously described biosorbents.

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Acknowledgements

This article is dedicated in memoriam to Professor Meriem Kaid Harche, who initiated this work and who devoted her career to valorizing the Algerian plants. The authors also acknowledge Dr. M. Guilloton for his help in manuscript editing.

Funding

M.M. received a grant from Université des Sciences et de la Technologie d’Oran-Mohamed Boudiaf (Algeria).

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All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by M. Mébarki, K. Hachem and C. Faugeron-Girard. The first draft of the manuscript was written by M. Mébarki and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to C. Faugeron-Girard.

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The authors have no conflict of interest to declare that are relevant to the content of this article.

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Editorial responsibility: M. Abbaspour.

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Mébarki, M., Hachem, K., Gloaguen, V. et al. Removal of metallic cations from aqueous solutions using acorn pericarp fractions of Quercus ilex as new biosorbents. Int. J. Environ. Sci. Technol. 20, 3613–3620 (2023). https://doi.org/10.1007/s13762-022-04253-1

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  • DOI: https://doi.org/10.1007/s13762-022-04253-1

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