Changes in the Crystal Lattice Parameters of Montmorillonite during Its Modification by Cobalt and Aluminum Cations


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Abstract

The effect the modification (pillarization) of montmorillonite clays from different locations has on the crystallographic lattice parameters of montmorillonite is determined. It is revealed through ultrahigh resolution transmission electron microscopy and analyzing microdiffraction patterns that pillarization raises the distance between montmorillonite structural units to 2.2 nm, while the intracrystal distance between the atoms grows by 0.4 nm. The catalytic activity of specimens in the oxidation reaction between organic dyes and hydrogen peroxide is enhanced 2–3 times.

About the authors

P. V. Sokolovskiy

Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences

Author for correspondence.
Email: carbsorb@gmail.com
Russian Federation, Moscow, 119991

F. Roessner

Ossietzky University of Oldenburg

Author for correspondence.
Email: frank.roessner@uni-oldenburg.de
Germany, Oldenburg, 26129

A. I. Vezentsev

Belgorod National State Research University

Author for correspondence.
Email: vesentsev@bsu.edu.ru
Russian Federation, Belgorod, 308015

T. V. Konkova

Mendeleev University of Chemical Technology of Russia

Email: manohin@bk.ru
Russian Federation, Moscow, 125047

M. B. Alekhina

Mendeleev University of Chemical Technology of Russia

Author for correspondence.
Email: mbalekhina@yandex.ru
Russian Federation, Moscow, 125047

S. S. Manokhin

Institute of Problems of Chemical Physics of the Russian Academy of Sciences

Author for correspondence.
Email: manohin@bk.ru
Russian Federation, Moscow, 142432

A. A. Greish

Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences

Email: manohin@bk.ru
Russian Federation, Moscow, 119991

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