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The skeletal isomerization of C4-C7 1-olefins over ferrierite and ZSM-5 zeolite catalysts

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Abstract

The skeletal isomerization of C4-C7 1-olefins was studied on ferrierite (FER) and ZSM-5 (MFI) zeolites to elucidate the effect of the molecular distribution in zeolite pores on the selectivity foriso-olefin formation. Regardless of the difference in molecular length of 1-olefins, the FER zeolite showed high selectivity foriso-olefins, while the selectivity became slightly low at the skeletal isomerization of long olefin molecules. The drastic decrease in the selectivity of MFI zeolites by increasing the conversion is concurrently observed in the skeletal isomerization of C4-C7 1-olefins. The high selectivity of FER zeolites is explained by their sparse distributions of olefin molecules in pores, which induces a high preference for monomolecular skeletal isomerization.

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Authors and Affiliations

  1. Department of Chemical Technology and The Research Institute for Catalysis, Chonnam National University, 500-757, Gwangju, Korea

    Wang-Gi Kim, Jong-Ho Kim, Byoung Joon Ahn & Gon Seo

  2. Department of Chemistry Education, Chonbuk National University, 561-756, Chonju, Korea

    Byoung Joon Ahn

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  1. Wang-Gi Kim
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  2. Jong-Ho Kim
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  3. Byoung Joon Ahn
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  4. Gon Seo
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Correspondence to Gon Seo.

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Kim, WG., Kim, JH., Ahn, B.J. et al. The skeletal isomerization of C4-C7 1-olefins over ferrierite and ZSM-5 zeolite catalysts. Korean J. Chem. Eng. 18, 120–126 (2001). https://doi.org/10.1007/BF02707208

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  • DOI: https://doi.org/10.1007/BF02707208

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