Effect of the Indium Introduction Method on the Properties of the Pt/In/Al2O3–Cl Reforming Catalysts

The effect of 0.3 wt % of indium introduced at the peptization and aluminum oxide impregnation stages on the properties of alumina-platinum reforming catalysts has been studied. Modification with indium at the impregnation stage reduces the total acidity of the support to a lesser extent and, as a c...

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Bibliographic Details
Published in:Catalysis in industry 2021-10, Vol.13 (4), p.331-336
Main Authors: Tregubenko, V. Yu, Veretel’nikov, K. V., Gulyaeva, T. I., Belyi, A. S.
Format: Article
Language:English
Subjects:
Aluminum oxide
Catalysis
Catalysis in Chemical and Petrochemical Industry
Catalysts
Chemistry
Chemistry and Materials Science
Colloiding
Heptanes
Hydrocracking
Hydrogenolysis
Impregnation
Indium
Reforming
Selectivity
Toluene
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Summary:The effect of 0.3 wt % of indium introduced at the peptization and aluminum oxide impregnation stages on the properties of alumina-platinum reforming catalysts has been studied. Modification with indium at the impregnation stage reduces the total acidity of the support to a lesser extent and, as a consequence, the conversion of heptane for the corresponding Pt/In/Al 2 O 3 -Cl catalyst. This sample demonstrates the greatest decrease in the selectivity of the hydrogenolysis and hydrocracking reaction alongside with a maximum ratio of i -C 5–7 /toluene selectivities as compared to the catalysis doped with In at the peptization stage and without doping.
ISSN:2070-0504
2070-0555
DOI:10.1134/S2070050421040139