Conclusions
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1.
By using the method of labeled molecules it was shown that the aromatization of hexane on the Al-Pt catalyst AP-64 proceeds along two parallel paths: with the intermediate involvement of hexenes and of methylcyclopentane. The direct cyclization of hexane to cyclohexane does not occur.
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2.
Only half of the total amount of benzene is formed with the involvement of the hexenes and methylcyclopentane, which are desorbed in the gas phase.
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3.
The theory was expressed that in the presence of an Al-Pt catalyst a substantial portion of the transformations of hydrocarbons occurs on the catalyst without the formed intermediate products escaping into the interior.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 4, pp. 864–870, April, 1980.
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Isagulyants, G.V., Greish, A.A., Kovalenko, L.I. et al. Study of aromatization of n-hexane on aluminum — Platinum catalyst by method of labeled molecules. Russ Chem Bull 29, 616–621 (1980). https://doi.org/10.1007/BF00961615
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DOI: https://doi.org/10.1007/BF00961615