| Budget Amount *help |
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Research Abstract |
The study presents the CO2 fixation properties of steel slag containing calcium, and proposes a geotechnical application for the formation of a sound material-cycle society and a low-carbon society. In order to investigate the properties of CO2 fixation, CO2 fixation test with vented constant flow was conducted. As a result, when the CO2 concentration 4500 mg/L was vented in a specimen by 0.05 L/min, the aging steelmaking slag were fixed CO2 of 0.03 g-CO2/g-slag. In addition, non-aging steelmaking slag fixed CO2 of 0.04 g-CO2/g-slag. Fixed amount of CO2 was about 20% water-soluble calcium with each of the steelmaking slag. Therefore, showing a method of predicting the amount of fixed CO2 from the elution amount of calcium.
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