EFFECT OF METAL DISPERSION ON CO HYDROGENATION OVER PD/HZSM-5 CATALYSTS
Pd/HZSM-5 catalysts prepared by ion-exchange method using Pd(NH3)(4)(2+) were calcined and reduced at different temperatures to provide different metal dispersions. The effect of Pd dispersion on CO adsorption characteristics and acidity were observed through FT-IR study. Methanol and dimethyl ether were the main products in CO hydrogenation over Pd/HZSM-5 catalyst with small Pd particles on which CO was weakly adsorbed, while the selectivity to methane increased with metal sizes.
- Publisher
- SPRINGER
- Issue Date
- 1995
- Language
- English
- Article Type
- Article
- Citation
CATALYSIS LETTERS, v.31, no.4, pp.341 - 350
- ISSN
- 1011-372X
- Appears in Collection
- CBE-Journal Papers(저널논문)
- Files in This Item
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