Partial Oxidation of Propane: Single-Site Pd/γ-Al2O3 Catalysts

The paper proposes a method for synthesizing a heterogeneous catalyst that contains single Pd sites on γ-Al 2 O 3 surface. This method involves preliminary heterogenization of a Pd complex with a hydroxyquinone (e.g., alizarin) on the γ-Al 2 O 3 surface, followed by hydrogenolysis of the Pd–alizarin...

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Bibliographic Details
Published in:Petroleum chemistry 2023-04, Vol.63 (4), p.463-467
Main Authors: Chepaikin, E. G., Menchikova, G. N., Pomogailo, S. I., Tkachenko, O. P., Kustov, L. M.
Format: Article
Language:English
Subjects:
Alizarin
Aluminum oxide
Catalysts
Chemical synthesis
Chemistry
Chemistry and Materials Science
Fourier transforms
Hydrogenolysis
Industrial Chemistry/Chemical Engineering
Oxidation
Propane
Transitional aluminas
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Summary:The paper proposes a method for synthesizing a heterogeneous catalyst that contains single Pd sites on γ-Al 2 O 3 surface. This method involves preliminary heterogenization of a Pd complex with a hydroxyquinone (e.g., alizarin) on the γ-Al 2 O 3 surface, followed by hydrogenolysis of the Pd–alizarin bond, reduction of Pd(II) into Pd(0), and removal of alizarin. The catalyst was examined by diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) and tested in propane oxidation into key petrochemicals. During the test, the catalyst exhibited high activity (242 mol of the product per g-at Pd per hour).
ISSN:0965-5441
1555-6239
DOI:10.1134/S0965544123030167