UNDERGROUND STORAGE METHOD FOR CARBON DIOXIDE AND UNDERGROUND STORAGE DEVICE THEREFOR

UNDERGROUND STORAGE METHOD FOR CARBON DIOXIDE AND UNDERGROUND STORAGE DEVICE THEREFOR

To provide a method and a device for underground storage of carbon dioxide, capable of preventing clogging when storing carbon dioxide in the earth and capable of efficiently and massively storing the same.SOLUTION: There is provided an underground storage method for carbon dioxide (CO) including st...

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Format: Patent
Sprache:eng ; jpn
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CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
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Zusammenfassung:To provide a method and a device for underground storage of carbon dioxide, capable of preventing clogging when storing carbon dioxide in the earth and capable of efficiently and massively storing the same.SOLUTION: There is provided an underground storage method for carbon dioxide (CO) including storing in an aquifer A in a seabed ground layer U. The method comprises forming a carbon dioxide storage area G by press-fitting the water-free carbon dioxide (CO) below a TP seal area S which exists until a prescribed depth from a seabed face F and satisfies the pressure and temperature conditions capable of generating carbon dioxide hydrate.SELECTED DRAWING: Figure 1 【課題】二酸化炭素を地中に貯留する際の目詰まりを防止し、且つ、効率良く大量の二酸化炭素を貯留することが可能な二酸化炭素の地中貯留方法及び地中貯留装置を提供する。【解決手段】二酸化炭素（ＣＯ２）を海底下地層Ｕ中の帯水層Ａに貯留する方法であり、海底面Ｆから所定の深さまで存在する、二酸化炭素ハイドレートを生成可能な圧力条件及び温度条件を満たすＴＰシール領域Ｓよりも下方に、水を含まない二酸化炭素（ＣＯ２）を圧入して二酸化炭素貯留領域Ｇを形成する方法である。【選択図】図１