Selective Reduction of Nitrogen Oxide with Propylene on Alumina-Zirconia Prepared from Al Chelate Compound and Zr Alkoxide

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  • KAWABATA Koji
    Industrial Technology Center of Okayama Prefecture
  • YOSHIMATSU Hideyuki
    Industrial Technology Center of Okayama Prefecture
  • YABUKI Tatsumi
    Industrial Technology Center of Okayama Prefecture
  • OSAKA Akiyoshi
    Department of Bioengineering Science, Faculty of Engineering, Okayama University
  • MIURA Yoshinari
    Department of Environmental Chemistry and Materials, Faculty of Environmental Science and Engineering, Okayama University

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  • Alキレート化合物とZrアルコキシドより作製したアルミナ-ジルコニアのプロピレンによるNO選択還元活性
  • Al キレート カゴウブツ ト Zr アルコキシド ヨリ サクセイシタ アルミ

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Abstract

An alumina-zirconia (AZ) composite powder was prepared by thermal decomposition of organic precursors synthesized from ethyl acetoacetate aluminium di-isopropylate and zirconium n-butoxide. The specific surface area of AZ was higher than that of alumina-zirconia (ALK) prepared from aluminium sec-butoxide and zirconium n-butoxide. The true density of AZ was lower than that of ALK. Selective reduction of nitrogen oxide with propylene in oxygen-rich atmosphere on AZ was superior to that on ALK.

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