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Preparation of High-Performance Co3O4 Catalyst for Hydrocarbon Combustion from Co-Containing Hydrogarnet

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Abstract

Supported Co3O4 catalysts were prepared via the calcination of Co-containing hydrogarnet, (Ca3-x Co x )Al2(SiO4)3- y (OH)4y , at 400 °C. Such precursors with various extents of substitution were synthesized from the hydrothermal reaction of a stoichiometric mixture of calcium oxide, amorphous silica, alumina sol, and cobalt hydroxide at 200 °C. It was found that the catalyst consisted of Co3O4, CaO, and mayenite and exhibited a high activity for the combustion of propylene, benzene, and toluene at temperatures below 300 °C.

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Authors and Affiliations

  1. Ceramic Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 2266-98, Anagahora, Shimoshidami, Moriyama-ku, Nagoya, 463-8560, Japan

    Satoru Fujita & Kenzi Suzuki

  2. Department of Materials Science and Technology, Faculty of Science and Technology, Hirosaki University, 3 Bunkyo-cho, Hirosaki, 036-8561, Japan

    Toshiaki Mori

Authors
  1. Satoru Fujita
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  2. Kenzi Suzuki
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  3. Toshiaki Mori
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Fujita, S., Suzuki, K. & Mori, T. Preparation of High-Performance Co3O4 Catalyst for Hydrocarbon Combustion from Co-Containing Hydrogarnet. Catalysis Letters 86, 139–144 (2003). https://doi.org/10.1023/A:1022679529612

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