Preparing kaolinite nanotubes and their catalytic activation by acid treatment
https://doi.org/10.29235/1561-8323-2024-68-4-311-316
Abstract
Aluminosilicate nanotubes (ANT) with a length of 600–1000 nm and a diameter of 15–25 nm were obtained by successive intercalation of kaolin with dimethyl sulfoxide and methanol followed by treatment with a cetyltrimethylammonium chloride solution. It is shown for the first time that the treatment of ANT with a mixture of H2SO4 –H2O2 leads to removing organic impurities from them and appearing catalytic activity in the α-pinene epoxide isomerization, the products of whicn are campholenic (41.4 %) and iso-campholenic (22.7 %) aldehydes in cyclohexane and trans-carveol (up to 56.0 %) in dimethyl sulfoxide.
Supporting agencies: The authors express their gratitude to Associate Professor A. Aho (Abo Akademi University, Finland) for recording the SEM image of the aluminosilicate nanotubes.
About the Authors
A. Yu. Sidorenko
Institute of Chemistry of New Materials of the National Academy of Sciences of Belarus
Belarus
Belarus
Sidorenko Alexander Yu. – Ph. D. (Chemistry), Head of
the Laboratory
36, Skorina Str., 220084, Minsk
Y. yu. Yakubov
Institute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan
Uzbekistan
Uzbekistan
Yakubov Yuldosh Yu. – D. Sc. (Chemistry), Chief Researcher
77-a, Mirzo-Ulugbek Str., 100170, Tashkent
V. E. Agabekov
Institute of Chemistry of New Materials of the National Academy of Sciences of Belarus
Belarus
Belarus
Agabekov Vladimir E. – Academician, D. Sc. (Chemistry), Professor, Head of the Department
36, Skorina Str., 220084, Minsk
B. D. Mamatkodirov
Institute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan
Uzbekistan
Uzbekistan
Mamatkodirov Behzodjon D. – Postgraduate Student
77-a, Mirzo-Ulugbek Str., 100170, Tashkent
T. V. Sviridova
Belarusian State University
Belarus
Belarus
Sviridova Tatiana V. – D. Sc. (Chemistry), Professor
4, Nezavisimosti Ave., 220050, Minsk
A. B. Ibragimov
Institute of General and Inorganic Chemistry of the Academy of Sciences of the Republic of Uzbekistan
Uzbekistan
Uzbekistan
Ibragimov Aziz B. – D. Sc. (Chemistry), Professor, Director
77-a, Mirzo-Ulugbek Str., 100170, Tashkent
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