JP2005161183A - 汚染地盤の浄化方法 - Google Patents
汚染地盤の浄化方法 Download PDFInfo
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- JP2005161183A JP2005161183A JP2003402720A JP2003402720A JP2005161183A JP 2005161183 A JP2005161183 A JP 2005161183A JP 2003402720 A JP2003402720 A JP 2003402720A JP 2003402720 A JP2003402720 A JP 2003402720A JP 2005161183 A JP2005161183 A JP 2005161183A
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- purification
- ground
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- area
- repair area
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- 238000000034 method Methods 0.000 title claims abstract description 63
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- 239000003344 environmental pollutant Substances 0.000 claims description 19
- 231100000719 pollutant Toxicity 0.000 claims description 19
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- 238000002156 mixing Methods 0.000 claims description 9
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- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 6
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- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 4
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- 238000005067 remediation Methods 0.000 description 4
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- 239000010426 asphalt Substances 0.000 description 2
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- 239000011550 stock solution Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XSTXAVWGXDQKEL-UHFFFAOYSA-N Trichloroethylene Chemical group ClC=C(Cl)Cl XSTXAVWGXDQKEL-UHFFFAOYSA-N 0.000 description 1
- 239000010953 base metal Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
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Abstract
【解決手段】 浄化修復区域13の周辺地盤中に予め真空吸引井戸14を設置し、次いで真空吸引井戸14を稼動し、浄化修復区域13を負圧状態に維持しつつ、浄化修復区域13を浄化修復する。
【選択図】 図1
Description
12、b アスファルト舗装面
13、c 浄化修復区域
14 真空吸引井戸
20 攪拌混合機
d 混合機が貫通する部分
e 亀裂部分
Claims (5)
- 浄化修復区域の周辺地盤中に予め真空吸引井戸を設置し、次いで該真空吸引井戸を稼動し、該浄化修復区域を負圧状態に維持しつつ、該浄化修復区域を浄化修復することを特徴とする汚染地盤の浄化方法。
- 予め、当該浄化修復区域以下に地下水位を低下させることを特徴とする請求項1記載の汚染地盤の浄化方法。
- 当該汚染地盤の地表面は予め被覆物が被覆されたものであることを特徴とする請求項1または2記載の汚染地盤の浄化方法。
- 前記被覆物が、舗装またはシート状敷設物であることを特徴とする請求項3記載の汚染地盤の浄化方法。
- 前記浄化修復区域を浄化修復する工法が、酸化剤または還元剤で該浄化修復区域の汚染物質を分解する浄化工法、該浄化修復区域の通気性を改善した後、ガス吸引により吸引浄化する工法、該浄化修復区域を掘削し掘削された汚染土壌を地上に回収し処理する工法、または該浄化修復区域に洗浄剤を投入し、原位置を攪拌混合する原位置洗浄工法であることを特徴とする請求項1〜4のいずれか1項記載の汚染地盤の浄化方法。
Priority Applications (1)
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JP2003402720A JP4761342B2 (ja) | 2003-12-02 | 2003-12-02 | 汚染地盤の浄化方法 |
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JP2003402720A JP4761342B2 (ja) | 2003-12-02 | 2003-12-02 | 汚染地盤の浄化方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005161183A true JP2005161183A (ja) | 2005-06-23 |
JP4761342B2 JP4761342B2 (ja) | 2011-08-31 |
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JP2003402720A Expired - Lifetime JP4761342B2 (ja) | 2003-12-02 | 2003-12-02 | 汚染地盤の浄化方法 |
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JP (1) | JP4761342B2 (ja) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0775772A (ja) * | 1993-06-18 | 1995-03-20 | Kankyo Eng Kk | 土壌の修復方法 |
JPH11647A (ja) * | 1997-06-13 | 1999-01-06 | Takashi Oki | 汚染土壌洗浄工法 |
JP2000202425A (ja) * | 1999-01-12 | 2000-07-25 | Ebara Corp | 土壌浄化方法 |
JP2000263030A (ja) * | 1999-03-16 | 2000-09-26 | Hazama Gumi Ltd | 揮発性化合物による汚染土壌の浄化処理方法 |
JP2001009439A (ja) * | 1999-06-25 | 2001-01-16 | Aizu Dust Center:Kk | 揮発性有機物質含有土壌の浄化方法 |
JP2002045841A (ja) * | 2000-07-31 | 2002-02-12 | Sumitomo Metal Mining Co Ltd | 地下汚染修復方法 |
JP2002254062A (ja) * | 2001-02-28 | 2002-09-10 | Shimizu Corp | 有機物汚染土壌の原位置修復法と修復装置 |
JP2003236518A (ja) * | 2002-02-12 | 2003-08-26 | Nitto Techno Group:Kk | 地盤の清浄化工法 |
-
2003
- 2003-12-02 JP JP2003402720A patent/JP4761342B2/ja not_active Expired - Lifetime
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0775772A (ja) * | 1993-06-18 | 1995-03-20 | Kankyo Eng Kk | 土壌の修復方法 |
JPH11647A (ja) * | 1997-06-13 | 1999-01-06 | Takashi Oki | 汚染土壌洗浄工法 |
JP2000202425A (ja) * | 1999-01-12 | 2000-07-25 | Ebara Corp | 土壌浄化方法 |
JP2000263030A (ja) * | 1999-03-16 | 2000-09-26 | Hazama Gumi Ltd | 揮発性化合物による汚染土壌の浄化処理方法 |
JP2001009439A (ja) * | 1999-06-25 | 2001-01-16 | Aizu Dust Center:Kk | 揮発性有機物質含有土壌の浄化方法 |
JP2002045841A (ja) * | 2000-07-31 | 2002-02-12 | Sumitomo Metal Mining Co Ltd | 地下汚染修復方法 |
JP2002254062A (ja) * | 2001-02-28 | 2002-09-10 | Shimizu Corp | 有機物汚染土壌の原位置修復法と修復装置 |
JP2003236518A (ja) * | 2002-02-12 | 2003-08-26 | Nitto Techno Group:Kk | 地盤の清浄化工法 |
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JP4761342B2 (ja) | 2011-08-31 |
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