| Budget Amount *help |
¥18,460,000 (Direct Cost: ¥14,200,000、Indirect Cost: ¥4,260,000)
Fiscal Year 2014: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2013: ¥7,670,000 (Direct Cost: ¥5,900,000、Indirect Cost: ¥1,770,000)
Fiscal Year 2012: ¥9,100,000 (Direct Cost: ¥7,000,000、Indirect Cost: ¥2,100,000)
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| Outline of Final Research Achievements |
CO2 Capture and Geological Storage (CCS) is expected to be one of effective methods to reduce CO2 gas emission to prevent global warming. We have carried out the various experiments at the tests field with 5 test wells with length of 100m, 20m and 0.4m. It has been observed that the natural soil CO2 gas concentration at the surface is fluctuating with seasoning temperature and rail fall. Thus, it is required to consider the leaked CO2 gas from the deep geological storage based on natural soil CO2 fluctuation. However, during CO2 capture process in oil refineries, H2 gas is included in the captured CO2 as Impurity gas. Thus, we have carried the field experiments about the CO2 leakage using 1% H2 gas as the tracer. It has been cleared that H2 can be detected before CO2 leakage flow from the storage moving to the ground surface. Furthermore we have developed the prototype of monitoring post to detect the leakage gas at the ground surface with researches on total CCS and CCUS system.
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