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A novel alumina catalyst support with high thermal stability derived from silica-modified alumina aerogel

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Abstract

A new alumina catalyst support with high thermal stability was synthesized. The high thermal stability was achieved through the synergetic effect of silica addition and the ultra-low bulk density (aerogel). The amount of silica was varied from 2.5 to 10 wt% and 5 wt% was found to be most effective for suppressing phase transformation; the θ phase remained even after heating at 1400°C for 1 h. The surface areas of the present alumina with 5 wt% silica were 86 and 36 m2/g after heating at 1300 and at 1400°C, respectively.

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Authors and Affiliations

  1. National Industrial Research Institute of Nagoya, Hirate-cho, Kita-ku, Nagoya, 462-8510, Japan E-mail:

    Tatsuro Horiuchi, Laiyuan Chen, Toshihiko Osaki, Toyohiko Sugiyama, Kenzi Suzuki & Toshiaki Mori

Authors
  1. Tatsuro Horiuchi
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  2. Laiyuan Chen
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  3. Toshihiko Osaki
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  4. Toyohiko Sugiyama
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  5. Kenzi Suzuki
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  6. Toshiaki Mori
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Horiuchi, T., Chen, L., Osaki, T. et al. A novel alumina catalyst support with high thermal stability derived from silica-modified alumina aerogel. Catalysis Letters 58, 89–92 (1999). https://doi.org/10.1023/A:1019069631852

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  • DOI: https://doi.org/10.1023/A:1019069631852

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