The catalytic properties of titanium dioxide-supported catalysts in n-hexane isomerization reactions have been studied. The hexane isomerization activity was found to increase in the series Fe/TiO2 < Ca/TiO2 < Ni/TiO2. The most active Ni/TiO2 catalyst is effective in two temperature ranges: moderate temperatures (150-300°C) for a bond shift mechanism and high temperature (350-400°C) for a cyclic mechanism with intermediate five-membered ring information along with a bond shift mechanism. The formation of dispersed nickel leading to a hydride phase during the reductive activation of Ni/TiO2 was proposed. Ionic hydrogen and nickel facilitate enhanced Ni/TiO2 catalyst activity.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 2, pp.8 – 12, March – April, 2018.
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Guseinova, E.A., Salaev, M.R., Alieva, N.T. et al. Isomerization of n-Hexane in the Presence of Titanium Dioxide-Supported Catalysts. Chem Technol Fuels Oils 54, 132–139 (2018). https://doi.org/10.1007/s10553-018-0907-x
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DOI: https://doi.org/10.1007/s10553-018-0907-x