Investigation of the Pt/MOR–Al2O3 Catalysts by IR Spectroscopy

Pt/MOR–Al2O3 catalysts, with platinum supported from H2PtCl6 and [Pt(NH3)4]Cl2 solutions are investigated in the work with the methods of IR spectroscopy. The received results testify about platinum fixing mainly in channels of a mordenite in case of supporting from an ammine, and its localization o...

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Bibliographic Details
Published in:Procedia engineering 2015, Vol.113, p.19-25
Main Authors: Belopukhov, E.A., Paukshtis, E.A., Shkurenok, V.A., Smolikov, M.D., Belyi, A.S.
Format: Article
Language:English
Subjects:
alumina
benzene
cyclohexane
DRIFT CO
FTIR CO and NH3
hydroisomerization
mordenite
platinum
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Summary:Pt/MOR–Al2O3 catalysts, with platinum supported from H2PtCl6 and [Pt(NH3)4]Cl2 solutions are investigated in the work with the methods of IR spectroscopy. The received results testify about platinum fixing mainly in channels of a mordenite in case of supporting from an ammine, and its localization on Al2O3 surface when supporting from chloroplatinic acid. Small concentration of the absorption bands referred to bridging CO species on platinum testify about high dispersion of metal on samples. Data explain higher activity of the catalysts prepared with [Pt(NH3)4]Cl2 in reactions of a hydroisomerization of benzene and an isomerization of cyclohexane.
ISSN:1877-7058
1877-7058
DOI:10.1016/j.proeng.2015.07.281