Structural and textural properties of pillared montmorillonite at intercalation of large Al- and Al/Ce-polyhydroxocomplexes

被引：9

作者：

Butman M.F. ^{[1
]}

Belozerov A.G. ^{[1
]}

Karasev N.S. ^{[1
]}

Kochkina N.E. ^{[2
]}

Khodov I.A. ^{[2
,3
]}

Ovchinnikov N.L. ^{[1
]}

机构：

[1] Ivanovo State University of Chemistry and Technology, pr. Sheremetevskii 7, Ivanovo

[2] Krestov Institute of Solution Chemistry, Russian Academy of Sciences, ul. Akademicheskaya 1, Ivanovo

[3] Kazan Federal University, ul. Kremlevskaya 18, Kazan

来源：

Nanotechnologies in Russia | 2015年 / 10卷 / 9-10期

关键词：

Gas adsorption - Clay minerals - Temperature;

D O I：

10.1134/S1995078015050031

中图分类号：

学科分类号：

摘要：

The possibility of adjusting the separation of silicate layers in montmorillonite in a broad range of basal distances d001 (1.3–2.4 nm) at the intercalation of large (0.7–1.8 nm) polyhydroxocomplexes of aluminum ([Al13O4(OH)24(H2O)12]7+, [Al30O8(OH)56(H2O)24]18+) and aluminum/cerium synthesized through the combined hydrolysis of aluminum and cerium salts in a reactor under pressure is shown. The formation of polyhydroxocomplexes was controlled by the methods of 27Al NMR and photon correlation and fluorescent spectroscopy at different concentrations of Al3+ ions (2.5–5.1 M) in solution. Textural properties (specific surface area, total pore volume, and mesoporosity) and fractal dimensionality of the samples of intercalated montmorillonite obtained by annealing at 300°C have been determined using the method of low-temperature nitrogen adsorption–desorption. © 2015, Pleiades Publishing, Ltd.

引用

页码：706 / 712

页数：6

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