Adsorption of NO and CO on silver-exchanged microporous materials

Investigations of nitric oxide (NO) and carbon monoxide (CO) adsorption were carried out on the silver-exchanged high silica pentasil zeolite and chabazite-type silico-aluminophosphate materials. Novel Ag-SAPO-34 and Ag-ZSM-5 catalysts were prepared and characterised using routine instrumental techn...

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Bibliographic Details
Published in:Journal of molecular catalysis. A, Chemical Chemical, 2000-06, Vol.157 (1), p.199-206
Main Authors: Akolekar, Deepak B, Bhargava, Suresh K
Format: Article
Language:English
Subjects:
Ag sites
Ag-SAPO-34
Ag-ZSM-5
BET
Carbon monoxide
Chemistry
CO–Ag complexes
Exact sciences and technology
FTIR
General and physical chemistry
Nitric oxide
NO–Ag complexes
Solid-gas interface
Surface physical chemistry
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Summary:Investigations of nitric oxide (NO) and carbon monoxide (CO) adsorption were carried out on the silver-exchanged high silica pentasil zeolite and chabazite-type silico-aluminophosphate materials. Novel Ag-SAPO-34 and Ag-ZSM-5 catalysts were prepared and characterised using routine instrumental techniques. Detailed FTIR studies were carried out on the interaction of NO/CO over Ag-SAPO-34 and Ag-ZSM-5. FTIR spectra indicated the formation of various NO/CO complexes on the silver-exchanged materials. Influence of the NO/CO pressure and evacuation on the surface species have been studied.
ISSN:1381-1169
1873-314X
DOI:10.1016/S1381-1169(00)00055-8