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Effect of metal dispersion on CO hydrogenation over Pd/HZSM-5 catalysts

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Abstract

Pd/HZSM-5 catalysts prepared by ion-exchange method using Pd(NH3) 2+4 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 hydrogénation over Pd/HZSM-5 catalyst with small Pd particles on which CO was weakly adsorbed, while the selectivity to methane increased with metal sizes.

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Authors and Affiliations

  1. Department of Chemical Engineering, Korea Advanced Institute of Science and Technology, 373-1 Kusong-dong, Yusung-gu, 305-701, Taejon, Korea

    Jong-Ki Jeon & Son-Ki Ihm

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  1. Jong-Ki Jeon
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  2. Son-Ki Ihm
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Jeon, JK., Ihm, SK. Effect of metal dispersion on CO hydrogenation over Pd/HZSM-5 catalysts. Catal Lett 31, 341–350 (1995). https://doi.org/10.1007/BF00808598

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  • DOI: https://doi.org/10.1007/BF00808598

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