EFFECT OF METAL DISPERSION ON CO HYDROGENATION OVER PD/HZSM-5 CATALYSTS

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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
DOI
10.1007/BF00808598
URI
http://hdl.handle.net/10203/3526
Appears in Collection
CBE-Journal Papers(저널논문)
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