Catalysts for hydrodesulfurization prepared by the mechanical activation of molybdenite under cryogenic conditions

Hydrodesulfurization catalysts are prepared via mechanical grinding of molybdenite under cryogenic conditions (80 K). Cryo-catalysts are characterized by X-ray phase analysis, X-ray photoelectron spectroscopy, and sedimentation analysis. The catalytic activity of the obtained cryo-samples is studied...

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Bibliographic Details
Main Authors: Mikubaeva, Elena V., Uyimin, Mikhail A., Maykov, Vladislav V., Zhuravkov, Sergey P., Stasieva, Lyubov A., Vosmerikov, Alexander V., Prosvirin, Igor P., Fedushchak, Taisia A.
Format: Conference Proceeding
Language:English
Subjects:
Activation
Catalysts
Catalytic activity
Dibenzothiophene
Hydrodesulfurization
Hydrogenolysis
Molybdenite
Photoelectrons
Reagents
Sedimentation
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Summary:Hydrodesulfurization catalysts are prepared via mechanical grinding of molybdenite under cryogenic conditions (80 K). Cryo-catalysts are characterized by X-ray phase analysis, X-ray photoelectron spectroscopy, and sedimentation analysis. The catalytic activity of the obtained cryo-samples is studied in a model hydrodesulfuration reaction of dibenzothiophene and in the course of hydrogenolysis of the components of the diesel fraction. It is shown that the activation of cryo-catalysts does not require the use of any sulfur-containing reagents.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5132089