Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/2214
Title: Modification of a montmorillonite-illite clay using alkaline hydrothermal treatment and its application for the removal of aqueous Cs+ ions
Authors: Öztop, Bahar
Shahwan, Talal
Keywords: Clays
Alkaline hydrothermal treatment
Illite
Montmorillonite clays
Sorption
Publisher: Elsevier Ltd.
Source: Öztop, B., and Shahwan, T. (2006). Modification of a montmorillonite-illite clay using alkaline hydrothermal treatment and its application for the removal of aqueous Cs+ ions. Journal of Colloid and Interface Science, 295(2), 303-309. doi:10.1016/j.jcis.2005.12.008
Abstract: A montmorillonite-illite clay was modified using alkaline hydrothermal treatment (reflux method) and applied to the removal of aqueous Cs+ ions. The alkaline solutions were prepared by dissolving NaOH in seawater and in distilled water, and the effect of the two alkaline media on the sorption capacities of the modified clay was discussed. The modified materials were characterized using XRD, SEM/EDS, and FTIR. As a result of the modification, the original mineral was partially transformed into a zeolitic material with spherical morphology. The results showed that the modification improved the Cs+ uptake capacity of the starting clay, with the clay modified in distilled water medium demonstrating higher sorption capacity. The sorption data were adequately described using the Freundlich and Dubinin-Radushkevich isotherm models.
URI: http://doi.org/10.1016/j.jcis.2005.12.008
http://hdl.handle.net/11147/2214
ISSN: 0021-9797
0021-9797
Appears in Collections:Chemistry / Kimya
PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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