酸化鉄系燃焼触媒のディーゼル排気ガス処理技術への応用

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書誌事項

タイトル別名
  • Application of Iron Oxide Combustion Catalysts to After-Treatment System of Diesel Engine
  • サンカ テツケイ ネンショウ ショクバイ ノ ディーゼル ハイキ ガス ショリ ギジュツ エノ オウヨウ

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抄録

Iron oxides which were supported on three kinds of alumina (γ-Al2O3, χ-Al2O3 and activated-Al2O3) were prepared for oxidation catalysts on an after-treatment system of diesel engine. In methane oxidation experiment, we found that the hematite (α-Fe2O3), which was synthesized from goethite (α-FeOOH), supported on χ-Al2O3 has the highest catalytic activity (over 70% in CH4 conversion) at 227K than the other catalysts. Also in the redox reaction between NOx and activated-carbon as substitute for soot, the catalyst supported on χ-Al2O3 showed the highest performance and CO gas was not observed in the products. It is concluded that in α-Fe2O3/χ-Al2O3 catalyst, α-Fe2O3 exists mainly on the surface of the support, because of flatness of the surface of χ-Al2O3. On the other hand, in the case of α-Fe2O3/γ-Al2O3 catalyst, as the surface of support, γ-Al2O3, is uneven, α-Fe2O3 do not partially exist on the surface but in the pores.

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詳細情報 詳細情報について

  • CRID
    1050001337463729280
  • NII論文ID
    110006863185
  • NII書誌ID
    AA12214889
  • ISSN
    21859094
  • Web Site
    http://repo.lib.tokushima-u.ac.jp/74512
  • 本文言語コード
    ja
  • 資料種別
    departmental bulletin paper
  • データソース種別
    • IRDB
    • CiNii Articles

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