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Aké, A.P., Coulibaly, V., Kouamé, N., Kedi, A.B., Sei, J. and Oyetola, S. (2022) Study of the Status of Iron in Clay Materials from Côte d’Ivoire for Their Use as Phosphate Adsorbents. RAMRES Sciences des Structures et de la Matière, 6, 63-90.

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• TITLE: Physico-Chemical, Mineralogical, and Morphological Characterizations of Three Clays from Côte d’Ivoire with a View to Their Use in Adsorption

  AUTHORS: Bi Gamy Arsène Tra, Drissa Bamba, Namory Méité, Alfred Niamien Kouamé, Mariame Coulibaly, Koffi Léon Konan

  KEYWORDS: Natural Clays, Adsorption, Iodine Value, Methylene Blue Value, Pollution Remediation, Côte d’Ivoire

  JOURNAL NAME: Journal of Materials Science and Chemical Engineering, Vol.14 No.4, April 27, 2026

  ABSTRACT: This study focuses on the physicochemical, mineralogical, and morphological characterization of three natural clays from Côte d’Ivoire (KR, KB, and BB) to evaluate their potential for environmental applications. The samples were analyzed by particle size analysis, X-ray fluorescence (XRF), X-ray diffraction (XRD), FTIR spectroscopy, scanning electron microscopy (SEM/EDS), and thermal analysis. The results show a predominance of kaolinite in KR and BB, while KB exhibits a more diverse mineralogy including illite and smectite. Iodine values (593.55 mg/g for KR, 511.50 mg/g for KB, and 505.03 mg/g for BB) and methylene blue values close to 320 - 330 mg/g indicate differences in the textural properties and accessible surface area of the materials. These results highlight the superior adsorption potential of KR, linked to its high kaolinite and iron oxide content, while KB exhibits promising potential due to its smectite fraction. This study thus provides an essential database for selecting local clay materials that could be further investigated in water treatment applications.