JP7186673B2 - 二酸化炭素の地下貯留方法 - Google Patents
二酸化炭素の地下貯留方法 Download PDFInfo
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- JP7186673B2 JP7186673B2 JP2019124934A JP2019124934A JP7186673B2 JP 7186673 B2 JP7186673 B2 JP 7186673B2 JP 2019124934 A JP2019124934 A JP 2019124934A JP 2019124934 A JP2019124934 A JP 2019124934A JP 7186673 B2 JP7186673 B2 JP 7186673B2
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- carbon dioxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
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- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Description
1a 地表面
3 二酸化炭素
4 気密シート
5 透水性の低い土(透水性の低い材料)
16 ケーシングパイプ
Claims (5)
- 砂質系地盤中にケーシングパイプ内の砂を圧縮空気を使用しながら排出するサンドコンパクションパイル工法を活用し、前記砂質系地盤中に二酸化炭素を貯留する二酸化炭素の地下貯留方法であって、
前記砂質系地盤中の間隙に相当する量の圧縮された二酸化炭素を、前記砂質系地盤に貫入したケーシングパイプを介して前記砂質系地盤中の間隙に圧縮空気の代わりに注入することを特徴とする二酸化炭素の地下貯留方法。 - 請求項1記載の二酸化炭素の地下貯留方法であって、
前記砂質系地盤の地表面付近では、前記ケーシングパイプを介して前記圧縮された二酸化炭素の代わりに圧縮空気を注入し、前記ケーシングパイプ内の砂を前記圧縮空気を使用しながら排出して砂杭を造成することを特徴とする二酸化炭素の地下貯留方法。 - 請求項1または2記載の二酸化炭素の地下貯留方法であって、
前記砂質系地盤中の硬質地層に前記ケーシングパイプを貫入する際は、掘削水として炭酸水を使用することを特徴とする二酸化炭素の地下貯留方法。 - 請求項1~3のいずれか1項に記載の二酸化炭素の地下貯留方法であって、
前記砂質系地盤中に前記二酸化炭素を注入した施工後の地表面を気密シート或いは透水性の低い材料で覆うことを特徴とする二酸化炭素の地下貯留方法。 - 請求項1~4のいずれか1項に記載の二酸化炭素の地下貯留方法であって、
前記ケーシングパイプより大気中に排気された二酸化炭素を前記ケーシングパイプに設けられた二酸化炭素分離・回収装置により回収して再利用することを特徴とする二酸化炭素の地下貯留方法。
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012031650A (ja) | 2010-07-30 | 2012-02-16 | Mitsubishi Materials Techno Corp | 地化学サンプラー |
JP2012206103A (ja) | 2011-03-30 | 2012-10-25 | Research Institute Of Innovative Technology For The Earth | 貯留物質の貯留装置および貯留方法 |
JP2016016348A (ja) | 2014-07-07 | 2016-02-01 | 鹿島建設株式会社 | 二酸化炭素貯留用地中構造体 |
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JPH0832303B2 (ja) * | 1989-12-04 | 1996-03-29 | 三菱重工業株式会社 | 二酸化炭素の固定化法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012031650A (ja) | 2010-07-30 | 2012-02-16 | Mitsubishi Materials Techno Corp | 地化学サンプラー |
JP2012206103A (ja) | 2011-03-30 | 2012-10-25 | Research Institute Of Innovative Technology For The Earth | 貯留物質の貯留装置および貯留方法 |
JP2016016348A (ja) | 2014-07-07 | 2016-02-01 | 鹿島建設株式会社 | 二酸化炭素貯留用地中構造体 |
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