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Polycyclic Aromatics Formation in HSAPO-34 During Methanol-to-Olefin Catalysis: Ex Situ Characterization After Cryogenic Grinding

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Abstract

Cryogenic grinding using a freezer mill is shown to be a useful adjunct to acid digestion for the ex situ analysis of aromatic hydrocarbons entrained in microporous catalysts. In the course of converting methanol to olefins, HSAPO-34 contains first methylbenzenes and later methylnaphthalenes. As the catalyst deactivates, significant amounts of phenanthrene and pyrene form as well.

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Authors and Affiliations

  1. Loker Hydrocarbon Research Institute and Department of Chemistry, University of Southern California, University Park, Los Angeles, CA, 90089-1661, USA

    Hui Fu, Weiguo Song & James F. Haw

Authors
  1. Hui Fu
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  2. Weiguo Song
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  3. James F. Haw
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Fu, H., Song, W. & Haw, J.F. Polycyclic Aromatics Formation in HSAPO-34 During Methanol-to-Olefin Catalysis: Ex Situ Characterization After Cryogenic Grinding. Catalysis Letters 76, 89–94 (2001). https://doi.org/10.1023/A:1016719924539

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  • DOI: https://doi.org/10.1023/A:1016719924539

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