クエン酸イオンと鉄イオンを用いたトリクロロエチレンの光分解 Photodegradation of Trichloroethene with Citrate and Iron Ion

この論文にアクセスする

この論文をさがす

著者

抄録

Chlorinated organic compounds such as trichloroethene (TCE) have caused soil and ground water pollution on a lot of sites. Oxidation processes which are produced hydroxyl radical are effective to remediate these contaminated sites, because they are able to degrade TCE. This paper describes photochemical oxidation of TCE with citrate ion and iron ion. Citrate ion and iron ion form some complexes (Fe-citrate complexes) which absorb the light of wavelength below 450nm. The Fe-citrate complexes were able to be decomposed TCE with black light lamp (wavelength: 320-400 nm). Approximately 50% of initial TCE concentration (100mg/L) decomposed within about 7 hours when the molar ratio of iron ion to TCE is 4 and the molar ratio of citrate ion to TCE is 4. The degradation rate of TCE using citrate ion and iron ion was lower than using oxalate ion and iron ion. The excess iron ions inhibited the TCE degradation because some of iron ions formed iron hydroxide and it absorbed lights essential for the photochemical reaction. Therefore, the photodegradation of TCE needs sufficient citrate ion to ensure for forming Fe-citrate complex formation. TCE was degraded between initial pH 2.5 and 10.6. The degradation rate of TCE was higher in the condition of acidity than the condition of alkalinity. In acidic condition, the dominant iron species was [Fe(III)(C<SUB>6</SUB>H<SUB>5</SUB>O<SUB>7</SUB>)] which is the important species for TCE photodegradation. On the other hand, even in alkaline condition, [Fe(II)(C<SUB>6</SUB>H<SUB>5</SUB>O<SUB>7</SUB>)]<SUP>-</SUP> existed as an Fe-citrate complex. So, this fact shows strongly that [Fe(II)(C<SUB>6</SUB>H<SUB>5</SUB>O<SUB>7</SUB>)]<SUP>-</SUP> photochemically degrades TCE under the condition of alkalinity.

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 123(3), 117-122, 2007-03-25

    The Mining and Materials Processing Institute of Japan

参考文献:  29件中 1-29件 を表示

  • <no title>

    Environmental Management Bureau Ministry of the Environment

    Heisei 15nendo dozyouosen taisaku hou no shikou zyoukyou oyobi dozyouosen tyousa taisaku zirei nadoni kansuru tyousakekka no gaiyou, 2005

    被引用文献1件

  • <no title>

    TAKEMURA Y.

    Kagakukougaku ronbunshu (SCEG) 21, 32-40, 1995

    被引用文献1件

  • <no title>

    YAMAZAKI S.

    Hyoumen 40, 415-423, 2002

    被引用文献1件

  • <no title>

    BELTRAN F. J.

    Chemosphere 32, 1949-1996, 1996

    被引用文献1件

  • <no title>

    DANESHVAR N.

    J. Photochem. and Photobiol. 168, 39-45, 2004

    被引用文献1件

  • <no title>

    BALZANI V.

    Photochemistry of coordination compounds, 1970

    被引用文献1件

  • <no title>

    MULAZZANI Q. G.

    J. Phys. Chem. 90, 5352-5437, 1986

    被引用文献1件

  • <no title>

    NETA P.

    J. Phys. Chem. Ref. Data 17, 895-901, 1988

    被引用文献1件

  • <no title>

    HAREYAMA W.

    AIP Conference-Proceedings of the 3^<rd> International Workshop on Water Dynamics, 2006 833, 200-203, 2006

    被引用文献1件

  • <no title>

    Environmental Management Bureau Ministry of the Environment

    Heisei 15nendo dozyouosen taisaku hou no shikou zyoukyou oyobi dozyouosen tyousa taisaku zirei nadoni kansuru tyousakekka no gaiyou, 2005

    被引用文献1件

  • <no title>

    SHEN Y.

    Journal of Hazardous Materials 54, 189-200, 1997

    被引用文献1件

  • Fenton's reagent revisited

    WALLING C.

    Acc. Chem. Res. 8, 125-131, 1975

    DOI 被引用文献27件

  • <no title>

    LATIFOGLU A.

    Water Res. 37, 1879-1889, 2003

    被引用文献1件

  • <no title>

    FAUST B. C.

    Environ. Sci. Technol. 27, 2517-2522, 1993

    被引用文献3件

  • <no title>

    VOELKER B. M.

    Envion. Sci. Technol. 31, 1004-1011, 1997

    被引用文献3件

  • <no title>

    ZUO Y.

    Environ. Sci. Technol. 26, 1014-1022, 1992

    被引用文献6件

  • <no title>

    BALMER

    Environ. Sci. Technol. 33, 2418, 1999

    被引用文献6件

  • <no title>

    NANSHENG D.

    Chemosphere 36, 3101-3112, 1998

    被引用文献1件

  • <no title>

    LARA F.

    J. Chem., Technol. Biotechnol. 81, 1282-1287, 2006

    DOI 被引用文献1件

  • Photo-degradation of dyes in aqueous solutions containing Fe(III)-oxalate complexes

    NANSHENG D.

    Chemosphere 35, 2697-2706, 1997

    被引用文献5件

  • <no title>

    SAFARZADEH-AMIRI A.

    Solar Energy 56, 439-443, 1996

    被引用文献1件

  • <no title>

    SAFARZADEH-AMIRI A.

    Water Res. 31, 787-798, 1997

    被引用文献2件

  • <no title>

    EMILIO C. A.

    J. Photochem. Photobiol. A : Chem. 151, 121-127, 2002

    被引用文献2件

  • <no title>

    LEE Y.

    Chemosphere 51, 901-912, 2003

    被引用文献1件

  • <no title>

    HUG STEPHAN J.

    Environ. Sci. Technol. 35, 2114-2121, 2001

    被引用文献2件

  • <no title>

    FRIESE K.

    Acta Hydrochim. Hydrobiol. 30, 2-3,141-148, 2002

    被引用文献1件

  • <no title>

    CHEN Ge

    J. Hazard. Mater., B 87, 171-186, 2001

    被引用文献2件

  • <no title>

    ZUO Y.

    Chemosphere 35, 2051-2058, 1997

    被引用文献1件

各種コード

  • NII論文ID(NAID)
    10018900181
  • 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
    8771371
  • 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 
ページトップへ