TiO_2光触媒および窒素ドープTiO_2光触媒を用いたCN^-イオンの酸化分解 Oxidation Decomposition of Cyanide Ion Using TiO_2 and N-doped TiO_2 Photocatalysts

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著者

    • 佐貫 須美子 SANUKI Sumiko
    • 富山大学大学院理工学研究部 Department of Material Systems Engineering and Life Science, Faculty of Engineering, Toyama University
    • 片田 夕美 KATADA Yumi
    • 富山大学工学部物質生命システム工学科 Department of Material Systems Engineering and Life Science, Faculty of Engineering, Toyama University
    • 持舘 正輝 MOTTATE Masateru
    • 富山大学大学院理工学研究科 物質生命システム工学専攻 Graduate School of Science and Engineering, Toyama University

抄録

Oxidation decomposition reaction of CN<SUP>-</SUP> ion was studied using two types of TiO<SUB>2</SUB> photocatalysts and related nitrogen-doped photocatalysts. Although the oxidation products of CN<SUP>-</SUP> ion using TiO<SUB>2</SUB> powder consisting 30% rutile and 70% anatase demonstrated CNO<SUP>-</SUP>, followed by NO<SUB>3</SUB><SUP>-</SUP> and CO<SUB>3</SUB><SUP>2-</SUP>, the generation of CNO<SUP>-</SUP> was inhibited and the formation of molecular nitorogen was detected with TiO<SUB>2</SUB> composed of 100% anatase. Doping nitrogen to TiO<SUB>2</SUB> photocatalysts facilitates their use under visible light irradiation. Particularly, nitrogen-doped anatase type TiO<SUB>2</SUB> photocatalyst oxidized CN<SUP>-</SUP> ion to N<SUB>2</SUB> directly, while CNO<SUP>-</SUP> formation was greatly suppressed under the irradiation by sunlight. The use of nitrogen-doped anatase type TiO<SUB>2</SUB> photocatalyst under sunlight irradiation is useful as a novel decomposition method for spent CN<SUP>-</SUP> solution. Redox potential determination is effective to monitor CN<SUP>-</SUP> ion decomposition reaction.

収録刊行物

  • Journal of MMIJ : journal of the Mining and Materials Processing Institute of Japan

    Journal of MMIJ : journal of the Mining and Materials Processing Institute of Japan 124(3), 190-195, 2008-03-25

    The Mining and Materials Processing Institute of Japan

参考文献:  12件中 1-12件 を表示

  • <no title>

    SANUKI S.

    Journal of MMIJ 122, 489-496, 2006

    被引用文献1件

  • <no title>

    SANUKI S.

    Journal of MMIJ 123, 110-116, 2007

    被引用文献1件

  • <no title>

    OOTANI F.

    Hikarishokubai-no-shikumi-ga-wakaru-hon, 2004

    被引用文献1件

  • <no title>

    SUZUKI K.

    Japan Patent, P2002-154823A

    被引用文献1件

  • <no title>

    HYOUMENGIJUTSUKYOKAI

    Hyoumengijutsu-Handbook, 2000

    被引用文献1件

  • <no title>

    FRANK S. N.

    Journal of Physical Chemistry 81, 1484-1488, 1977

    被引用文献4件

  • <no title>

    BRAVO A.

    Electrochemica, Acta. 39, 2461-2463, 1994

    被引用文献3件

  • <no title>

    CHIANG K.

    Journal of Molecular Catalysis A, Chemical 193, 285-297, 2003

    被引用文献3件

  • <no title>

    ASAHI R.

    Science 293, 269-271, 2001

    DOI 被引用文献106件

  • <no title>

    CARRILLO-PEDROZA F. R.

    Minerals Engineering 13, 541-548, 2000

    被引用文献2件

  • <no title>

    KIKUCHI E.

    Journal of The Electrochemical Society 147, 4589-4593, 2000

    被引用文献2件

  • Band-Gap Narrowing of Titanium Dioxide by Nitrogen Doping

    Morikawa Takeshi , Asahi Ryoji , Ohwaki Takeshi , Aoki Koyu , Taga Yasunori

    Japanese journal of applied physics. Pt. 2, Letters 40(6A), L561-L563, 2001-06-01

    応用物理学会 参考文献18件 被引用文献6件

各種コード

  • NII論文ID(NAID)
    10021121406
  • NII書誌ID(NCID)
    AA12188381
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    18816118
  • NDL 記事登録ID
    9440860
  • NDL 雑誌分類
    ZP41(科学技術--金属工学・鉱山工学)
  • NDL 請求記号
    Z17-315
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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