Physicochemical properties of palladium adsorbents as catalysts in liquid-phase hydrogenation

The structure and physicochemical properties of palladium catalysts used in liquid-phase hydrogenation processes were studied with the use of adsorption, calorimetric, thermogravimetry, and temperature-programmed reduction techniques. The specific surface areas and average sizes and volume of pores...

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Bibliographic Details
Published in:Protection of metals and physical chemistry of surfaces 2016-05, Vol.52 (3), p.425-430
Main Authors: Efremov, E. V., Filippov, D. V., Barbov, A. V.
Format: Article
Language:English
Subjects:
Adsorbents
Aluminum oxide
Catalysis
Catalysts
Characterization and Evaluation of Materials
Chemistry and Materials Science
Coal
Corrosion and Coatings
Hydrogenation
Industrial Chemistry/Chemical Engineering
Inorganic Chemistry
Materials Science
Metallic Materials
Palladium
Physicochemical Processes at the Interfaces
Surface chemistry
Tribology
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Summary:The structure and physicochemical properties of palladium catalysts used in liquid-phase hydrogenation processes were studied with the use of adsorption, calorimetric, thermogravimetry, and temperature-programmed reduction techniques. The specific surface areas and average sizes and volume of pores of the adsorbents were determined. The palladium on activated carbon catalysts was found to possess a complex porous structure, whereas palladium on combined alumina and coal carrier catalysts is an adsorbent with a nonporous structure. The concentration of the applied metal and the nature of a support have a significant impact on the physicochemical properties of palladium catalysts.
ISSN:2070-2051
2070-206X
DOI:10.1134/S2070205116030072