Abstract
The effect of fluorine addition to the alumina matrix used for the preparation of supported sulfated zirconia catalysts has been studied. The fluorinating agent was hydrofluoric acid. Fluorine additions affect the textural characteristics of the Al2O3 matrix and, as a consequence, the surface area of sulfated zirconia catalysts based on modified systems. The introduction of fluorine in the catalyst composition to an increase in the activity (conversion of hexane) and yield of the high-octane isomer 2,2-dimethylbutane.
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ACKNOWLEDGMENTS
We are grateful to G.G. Savel’eva for studying the texture characteristics of the catalysts.
Funding
This study was financially supported by the Ministry of Science and Higher Education of the Russian Federation under the government contract at the Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences (project no. AAAA-A21-121011890074-4).
The studies were performed using the equipment of the Multiaccess Center “National Center for Catalyst Research” of the Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences.
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Smolikov, M.D., Dzhikiya, O.V., Bikmetova, L.I. et al. Use of Fluorinated Alumina as a Support for the Sulfated Zirconia Catalyst of Hexane Isomerization. Catal. Ind. 13, 367–372 (2021). https://doi.org/10.1134/S2070050421040115
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DOI: https://doi.org/10.1134/S2070050421040115